Quiz about Reids Math Practice 2

Question 1

What are numbers?

Accepted Answer

the basic building blocks of mathematics.

Answer

any positive or negative whole number, including zero. do not include fractions, decimals, or mixed numbers

Answer

any whole number greater than 1 that has only two factors- itself and 1; a number that can be divided evenly only by 1 and itself

Question 2

What are integers?

Accepted Answer

any positive or negative whole number, including zero. do not include fractions, decimals, or mixed numbers

Answer

any whole number greater than 1 that has more than two different factors. any whole number that is not a prime number

Answer

any whole number greater than 1 that has only two factors- itself and 1; a number that can be divided evenly only by 1 and itself

Question 3

What are prime numbers?

Accepted Answer

any whole number greater than 1 that has only two factors- itself and 1; a number that can be divided evenly only by 1 and itself

Answer

any positive or negative whole number, including zero. do not include fractions, decimals, or mixed numbers

Answer

any whole number greater than 1 that has more than two different factors. any whole number that is not a prime number

Question 4

What are composite numbers?

Accepted Answer

any whole number greater than 1 that has more than two different factors. any whole number that is not a prime number

Answer

any whole number greater than 1 that has only two factors- itself and 1; a number that can be divided evenly only by 1 and itself

Answer

any integer that can be divided by two without leaving a remainer

Question 5

What are even numbers?

Accepted Answer

any integer that can be divided by two without leaving a remainer

Answer

any integer that cannot be divided evenly by 2

Answer

any number that uses as decimal point to show the part of the number that is less than one

Question 6

What are odd numbers?

Accepted Answer

any integer that cannot be divided evenly by 2

Answer

any integer that can be divided by two without leaving a remainer

Answer

any number that uses as decimal point to show the part of the number that is less than one

Question 7

What are decimal numbers?

Accepted Answer

any number that uses as decimal point to show the part of the number that is less than one

Answer

any whole number greater than 1 that has more than two different factors. any whole number that is not a prime number

Answer

a number system that uses ten different digits (0, 1, 2, 3, 4, 5, 6, 7, 8, 9)

Question 8

What is the decimal point?

Accepted Answer

a symbol used to separate the ones places from the tenths place in decimals or dollars from cents in currency

Answer

the position of a number to the right of the decimal point. In the decimal .123, the 1 is in the first place to the right indicating tenths, 2 is in the second place indicating hundredths, and the 3 is in the third place indicating thousandths

Answer

any number that uses as decimal point to show the part of the number that is less than one

Question 9

What is the decimal place?

Accepted Answer

the position of a number to the right of the decimal point. In the decimal .123, the 1 is in the first place to the right indicating tenths, 2 is in the second place indicating hundredths, and the 3 is in the third place indicating thousandths

Answer

a symbol used to separate the ones places from the tenths place in decimals or dollars from cents in currency

Answer

any number that uses as decimal point to show the part of the number that is less than one

Question 10

What is the Decimal or Base 10?

Accepted Answer

a number system that uses ten different digits (0, 1, 2, 3, 4, 5, 6, 7, 8, 9)

Answer

all integers, decimals, and fractions. any terminating or repeating decimal number. can be expressed as a ratio or a fraction where both numbers are integers and the lower number does not equal 0.

Answer

a symbol used to separate the ones places from the tenths place in decimals or dollars from cents in currency

Question 11

What are rational numbers?

Accepted Answer

all integers, decimals, and fractions. any terminating or repeating decimal number. can be expressed as a ratio or a fraction where both numbers are integers and the lower number does not equal 0.

Answer

any number that uses as decimal point to show the part of the number that is less than one

Answer

the position of a number to the right of the decimal point. In the decimal .123, the 1 is in the first place to the right indicating tenths, 2 is in the second place indicating hundredths, and the 3 is in the third place indicating thousandths

Question 12

What are irrational numbers?

Accepted Answer

cannot be written as fractions or decimals because the number of decimal places is infinite and there is no recurring pattern of digits within the number. for example, pi.

Answer

the set of all rational and irrational numbers

Answer

all integers, decimals, and fractions. any terminating or repeating decimal number. can be expressed as a ratio or a fraction where both numbers are integers and the lower number does not equal 0.

Question 13

What are real numbers?

Accepted Answer

the set of all rational and irrational numbers

Answer

a graph to see the distance between numbers. shows the relationship between numbers. May have a point for zero, with negative numbers on the left and positive on the right.

Answer

A number like 10, 100, 1,000 and so on. It is the result of using only 10 as a factor.

Question 14

What is a number line?

Accepted Answer

a graph to see the distance between numbers. shows the relationship between numbers. May have a point for zero, with negative numbers on the left and positive on the right.

Answer

A number like 10, 100, 1,000 and so on. It is the result of using only 10 as a factor.

Answer

The value of a digit based on its position within a number

Question 15

What is place value?

Accepted Answer

The value of a digit based on its position within a number

Answer

A number like 10, 100, 1,000 and so on. It is the result of using only 10 as a factor.

Answer

the set of all rational and irrational numbers

Question 16

What is absolute value?

Accepted Answer

The distance a number is from zero on a number line. ALWAYS POSITIVE. (ex: the absolute value of 3 is 3. the absolute value of -3 is also 3.)

Answer

The numbers that add together to make a sum in addition

Answer

mathematical process that takes some values as inputs and produces an output.

Question 17

What are operations?

Accepted Answer

mathematical process that takes some values as inputs and produces an output.

Answer

increases the value of one quantity by the value of another quantity (addends). the order of numbers does not matter.

Answer

The numbers that add together to make a sum in addition

Question 18

What is addition?

Accepted Answer

increases the value of one quantity by the value of another quantity (addends). the order of numbers does not matter.

Answer

if the signs are the same, add the absolute values of the addends and then apply the original sign. if the signs are different, take the values of the addends and subtract the smaller value from the larger value then apply the original sign of the larger value to the difference.

Answer

The numbers that add together to make a sum in addition

Question 19

What are addends?

Accepted Answer

The numbers that add together to make a sum in addition

Answer

the answer to an addition problem

Answer

increases the value of one quantity by the value of another quantity (addends). the order of numbers does not matter.

Question 20

What is the sum in mathematics?

Accepted Answer

the answer to an addition problem

Answer

increases the value of one quantity by the value of another quantity (addends). the order of numbers does not mat

Answer

The numbers that add together to make a sum in addition

Question 21

Adding signed numbers

Accepted Answer

if the signs are the same, add the absolute values of the addends and then apply the original sign. if the signs are different, take the values of the addends and subtract the smaller value from the larger value then apply the original sign of the larger value to the difference.

Answer

the opposite operation to addition; it decreases the value of one quantity (the minuend) by the value of another quantity (the subtrahend). The order of numbers DOES matter.

Answer

A number from which another number is subtracted.

Question 22

What is subtraction?

Accepted Answer

the opposite operation to addition; it decreases the value of one quantity (the minuend) by the value of another quantity (the subtrahend). The order of numbers DOES matter.

Answer

if the signs are the same, add the absolute values of the addends and then apply the original sign. if the signs are different, take the values of the addends and subtract the smaller value from the larger value then apply the original sign of the larger value to the difference.

Answer

A number from which another number is subtracted

Question 23

What is minuend?

Accepted Answer

A number from which another number is subtracted

Answer

the number being subtracted

Answer

the answer to a subtraction problem

Question 24

What is subtrahend?

Accepted Answer

the number being subtracted

Answer

the answer to a subtraction problem

Answer

A number from which another number is subtracted.

Question 25

What is the difference?

Accepted Answer

the answer to a subtraction problem

Answer

the number being subtracted

Answer

A number from which another number is subtracted.

Question 26

What are subtracting signed numbers?

Accepted Answer

Flip the sign of the number being subtracted and then add. For example, if you have (+4) - (+8), you would change the +8 to -8 and solve as (+4) + (-8)

Answer

the answer to a multiplication problem

Answer

repeated addition. One number (the multiplier) indicates how many times to add the other number (the multiplicand) to itself. Order does not matter

Question 27

What is multiplication?

Accepted Answer

repeated addition. One number (the multiplier) indicates how many times to add the other number (the multiplicand) to itself. Order does not matter.

Answer

the answer to a multiplication problem

Answer

The first number in a multiplication problem; the number being multiplied

Question 28

What is the product?

Accepted Answer

the answer to a multiplication problem

Answer

repeated addition. One number (the multiplier) indicates how many times to add the other number (the multiplicand) to itself. Order does not matter.

Answer

The first number in a multiplication problem; the number being multiplied

Question 29

What is multiplicand?

Accepted Answer

The first number in a multiplication problem; the number being multiplied

Answer

the answer to a multiplication problem

Answer

repeated addition. One number (the multiplier) indicates how many times to add the other number (the multiplicand) to itself. Order does not matter.

Question 30

Multiplying Signed Numbers

Accepted Answer

if the signs are the same, the product is positive. if the signs are opposite, the product is negative. when more than two numbers are being multiplied together, the sign of the product is determined by how many of them are negative. If there are an odd number of negative numbers, the product is negative. even number of negative numbers means the product is positive

Answer

The first number in a multiplication problem; the number being multiplied

Answer

the opposite of multiplication. one number (divisor) tells us how many parts to divide the other number (the dividend) into. Order of the numbers does matter.

Question 31

What is division?

Accepted Answer

the opposite of multiplication. one number (divisor) tells us how many parts to divide the other number (the dividend) into. Order of the numbers does matter.

Answer

the number that is being divided

Answer

The number by which another number is divided.

Question 32

What is the divisor?

Accepted Answer

The number by which another number is divided.

Answer

the opposite of multiplication. one number (divisor) tells us how many parts to divide the other number (the dividend) into. Order of the numbers does matter.

Answer

the number that is being divided

Question 33

What is the quotient?

Accepted Answer

the answer to a division problem

Answer

similar to rules for multiplication. if the dividend and divisor have the same sign its positive and if they have opposite signs the answer is negative.

Answer

used to designate which operations should be done first.

Question 34

What are dividing signed numbers?

Accepted Answer

similar to rules for multiplication. if the dividend and divisor have the same sign its positive and if they have opposite signs the answer is negative.

Answer

used to designate which operations should be done first

Answer

a superscript number placed next to another number at the top right. It indicates how many times the base number is to be multiplied by itself.

Question 35

What are parentheses?

Accepted Answer

used to designate which operations should be done first

Answer

any number to the power of 1 is equal to itself, the number 1 raised to any power is equal to 1, any number raised to the power of 0 is equal to 1, add exponents to multiply powers of the same base number, subtract exponents to divide powers of the same base number, when a power is raised to a power the exponents are multiplied, multiplication ad division operations inside parentheses can be raised to a power. this is the same as each term being raised to that power, a negative exponent is the same as the reciprocal of a positive exponent

Answer

a superscript number placed next to another number at the top right. It indicates how many times the base number is to be multiplied by itself.

Question 36

What are exponents?

Accepted Answer

a superscript number placed next to another number at the top right. It indicates how many times the base number is to be multiplied by itself. A number with a value of 2 is said to be "squared" while a number with an exponent of 3 is said to be "cubed" do not have to be integers. can be fractions or decimals

Answer

ties any number to the power of 1 is equal to itself, the number 1 raised to any power is equal to 1, any number raised to the power of 0 is equal to 1, add exponents to multiply powers of the same base number, subtract exponents to divide powers of the same base number, when a power is raised to a power the exponents are multiplied, multiplication ad division operations inside parentheses can be raised to a power. this is the same as each term being raised to that power, a negative exponent is the same as the reciprocal of a positive exponent

Answer

another way of writing a fractional exponent. Instead of using a superscript, use this symbol to indicate the operation. The radical will have a number underneath the bar and may sometimes have a number in the upper left.

Question 37

What are exponent properties?

Accepted Answer

any number to the power of 1 is equal to itself, the number 1 raised to any power is equal to 1, any number raised to the power of 0 is equal to 1, add exponents to multiply powers of the same base number, subtract exponents to divide powers of the same base number, when a power is raised to a power the exponents are multiplied, multiplication ad division operations inside parentheses can be raised to a power. this is the same as each term being raised to that power, a negative exponent is the same as the reciprocal of a positive exponent

Answer

a number that has an integer for its square root. 10 from 1-100: 1, 4, 9, 16, 25, 36, 49, 64, 81, 100

Answer

another way of writing a fractional exponent. Instead of using a superscript, use this symbol to indicate the operation. The radical will have a number underneath the bar and may sometimes have a number in the upper le

Question 38

What are roots in math?

Accepted Answer

another way of writing a fractional exponent. Instead of using a superscript, use this symbol to indicate the operation. The radical will have a number underneath the bar and may sometimes have a number in the upper left.

Answer

a number that has an integer for its square root. 10 from 1-100: 1, 4, 9, 16, 25, 36, 49, 64, 81, 100

Answer

a set of rules that dictates the order in which we must perform each operation in an expression so that we will evaluate it accurately. PEMDAS

Question 39

What are perfect square root?

Accepted Answer

a number that has an integer for its square root. 10 from 1-100: 1, 4, 9, 16, 25, 36, 49, 64, 81, 100

Answer

another way of writing a fractional exponent. Instead of using a superscript, use this symbol to indicate the operation. The radical will have a number underneath the bar and may sometimes have a number in the upper left.

Answer

a set of rules that dictates the order in which we must perform each operation in an expression so that we will evaluate it accurately. PEMDAS

Question 40

What is the order of operations?

Accepted Answer

a set of rules that dictates the order in which we must perform each operation in an expression so that we will evaluate it accurately. PEMDAS

Answer

Parentheses, Exponents, Multiplication and Division from left to right, Addition and Subtraction from left to right

Answer

borrow a unit from the place value to the left in order to get a positive difference when subtracting

Question 41

What is PEMDAS?

Accepted Answer

Parentheses, Exponents, Multiplication and Division from left to right, Addition and Subtraction from left to right

Answer

a set of rules that dictates the order in which we must perform each operation in an expression so that we will evaluate it accurately. PEMDAS

Answer

borrow a unit from the place value to the left in order to get a positive difference when subtracting

Question 42

What is subtraction with regrouping?

Accepted Answer

borrow a unit from the place value to the left in order to get a positive difference when subtracting

Answer

Parentheses, Exponents, Multiplication and Division from left to right, Addition and Subtraction from left to right

Answer

Numbers that are multiplied together to get a product. for example, in the equation 2 x 3 = 6, the numbers 2 and 3 are factors.

Question 43

What are the factors of numbers?

Accepted Answer

Numbers that are multiplied together to get a product. for example, in the equation 2 x 3 = 6, the numbers 2 and 3 are factors.

Answer

A factor that is a prime number (2,3,5, etc)

Answer

a number that divides exactly into two or more other numbers. For example, the factors of 12 are 1,2,3,4,6,12. the factors of 15 are 1,3,5,15. the common factors of 12 and 15 are 1 and 3.

Question 44

What is a common factor?

Accepted Answer

a number that divides exactly into two or more other numbers. For example, the factors of 12 are 1,2,3,4,6,12. the factors of 15 are 1,3,5,15. the common factors of 12 and 15 are 1 and 3.

Answer

A factor that is a prime number (2,3,5, etc)

Answer

The largest factor that two or more numbers have in common.

Question 45

What are prime factors?

Accepted Answer

A factor that is a prime number (2,3,5, etc)

Answer

The largest factor that two or more numbers have in common.

Answer

Numbers that are multiplied together to get a product. for example, in the equation 2 x 3 = 6, the numbers 2 and 3 are factors.

Question 46

greatest common factor

Accepted Answer

The largest factor that two or more numbers have in common.

Answer

often listed out in multiplication tables. integer increments of a given factor. for example, the multiples of 7 are 7,14,21,28,35. dividing these numbers by 7 will result in 1,2,3,4,5.

Answer

Factors are always smaller than or equal to your original number. Multiples are larger than or equal to

Question 47

What are multiples?

Accepted Answer

often listed out in multiplication tables. integer increments of a given factor. for example, the multiples of 7 are 7,14,21,28,35. dividing these numbers by 7 will result in 1,2,3,4,5.

Answer

The smallest multiple (other than zero) that two or more numbers have in common.

Answer

Factors are always smaller than or equal to your original number. Multiples are larger than or equal to

Question 48

Factors vs. Multiples

Accepted Answer

Factors are always smaller than or equal to your original number. Multiples are larger than or equal to

Answer

The smallest multiple (other than zero) that two or more numbers have in common.

Answer

often listed out in multiplication tables. integer increments of a given factor. for example, the multiples of 7 are 7,14,21,28,35. dividing these numbers by 7 will result in 1,2,3,4,5

Question 49

least common multiple

Accepted Answer

The smallest multiple (other than zero) that two or more numbers have in common.

Answer

often listed out in multiplication tables. integer increments of a given factor. for example, the multiples of 7 are 7,14,21,28,35. dividing these numbers by 7 will result in 1,2,3,4,5

Answer

Factors are always smaller than or equal to your original number. Multiples are larger than or equal to

Question 50

What is a fraction?

Accepted Answer

represents the quotient of the two numbers x/y = "x divided by y." also thought of as x out of y equal parts

Answer

the top number in a fraction. represents the number of parts under consideration. the 1 in 1/4 means that 1 part out of the whole is being considered in the calculation

Answer

bottom number in a fraction; represents how many parts the whole is divided into. Ex: the 4 in 1/4 means that the whole consists of 4 equal parts. This number cannot be zero.

Question 51

common denominator

Accepted Answer

For two or more fractions, a common denominator is a common multiple of the denominators

Answer

a fraction with a numerator smaller than the denominator

Answer

a fraction whose numerator is larger than the denominator

Question 52

proper fraction

Accepted Answer

a fraction with a numerator smaller than the denominator

Answer

a fraction whose numerator is larger than the denominator

Answer

a number that contains a whole number and a fraction. any improper fractions can be rewritten this way.

Question 53

improper fraction

Accepted Answer

a fraction whose numerator is larger than the denominator

Answer

a number that contains a whole number and a fraction. any improper fractions can be rewritten this way.

Answer

a fraction with a numerator smaller than the denominator

Question 54

mixed number

Accepted Answer

a number that contains a whole number and a fraction. any improper fractions can be rewritten this way.

Answer

a fraction whose numerator is larger than the denominator

Answer

a fraction with a numerator smaller than the denominator

Question 55

adding and subtracting fractions

Accepted Answer

two fractions have a common denominator, they can be added or subtracted by adding or subtracting the two numerators and keeping the same denominator. if two fractions do not already have the same denominator, one or both fractions needs to be manipulated to achieve a common denominator

Answer

two fractions can be multiplied by multiplying the two numerators to find the new numerator and the two denominators to find the new denominator

Answer

a number that contains a whole number and a fraction. any improper fractions can be rewritten this way.

Question 56

Mixed numbers into improper fractions

Accepted Answer

divide numerator by the denominator

Answer

Invert (reciprocal) the second fraction and multiply

Answer

a number that uses place value and decimal points to show values less than one, such as tenths, hundreths, etc.

Question 57

<p> decimals</p>

Accepted Answer

a number that uses place value and decimal points to show values less than one, such as tenths, hundreths, etc

Answer

tions put the decimal in the numerator with 1 in the denominator. Multiply the numerator and denominator by tens until there are no more decimal places. then simplify the fraction to the lowest terms

Answer

decimal points must be aligned. once aligned, it is the same as adding regular whole numbers

Question 58

decimals to fractions

Accepted Answer

put the decimal in the numerator with 1 in the denominator. Multiply the numerator and denominator by tens until there are no more decimal places. then simplify the fraction to the lowest terms

Answer

decimal points must be aligned. once aligned, it is the same as adding regular whole numbers

Answer

work as though the numbers are whole numbers. Once the final product is calculated, count the number of places to the right of the decimal in both of the numbers being multiplied. then put the decimal that many places over in the product.

Question 59

adding and subtracting decimals

Accepted Answer

decimal points must be aligned. once aligned, it is the same as adding regular whole numbers

Answer

put the decimal in the numerator with 1 in the denominator. Multiply the numerator and denominator by tens until there are no more decimal places. then simplify the fraction to the lowest terms

Answer

work as though the numbers are whole numbers. Once the final product is calculated, count the number of places to the right of the decimal in both of the numbers being multiplied. then put the decimal that many places over in the product.

Question 60

Multiplying Decimals

Accepted Answer

work as though the numbers are whole numbers. Once the final product is calculated, count the number of places to the right of the decimal in both of the numbers being multiplied. then put the decimal that many places over in the product. Ex: 12.3x2.56. there are three places to the right of both decimals. multiply 123x256 to get 31488 and move the decimal 3 places to get 31.488

Answer

-The same as dividing other numbers, except that if the divisor (the number you're dividing by) has a decimal, move it to the right as many places as necessary until it is a whole number -Move the decimal point in the dividend (the number being divided into) into the same number of places -Sometimes you may have to add zeroes to the dividend (the number inside the division sign)

Answer

fractions that are based on a whole of 100. often presented in three main ways:

Question 61

What are percentages?

Accepted Answer

fractions that are based on a whole of 100. often presented in three main ways: -find what percentage of some number another number is (what percentage of 40 is 8?) - find what number is some percentage of a given number (what is 20% of 40?) - find what number another number is a given percentage of. (what number is 8 20% of?)

Answer

three components: whole (w), part (p), and percentage (%). Related by the equation P = W x %, which can be rewritten as % = P/W or W = P/%

Answer

move decimal 2 places right.

Question 62

decimal to percent

Accepted Answer

move decimal 2 places right. to do the opposite, move it two places to the left.

Answer

divide the numerator by the denominator

Answer

Divide the numerator by the denominator and multiply by 100 or find an equivalent fraction with a denominator of 100

Question 63

fraction to decimal

Accepted Answer

divide the numerator by the denominator

Answer

Divide the numerator by the denominator and multiply by 100 or find an equivalent fraction with a denominator of 100

Answer

divide by 100 and then reduce as much as possible

Question 64

percentage to a fraction

Accepted Answer

divide by 100 and then reduce as much as possible

Answer

relationship between two quantities that dictates how one changes when the other changes

Answer

describes a relationship in which a quantity increases by a set amount for every increase in the other quantity (or decrease).

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