Ordering Real Numbers

Front

What is the definition of real numbers?

Back

Real numbers include all the numbers on the number line, including rational numbers (like integers and fractions) and irrational numbers (like square roots and pi).

Front

What is scientific notation?

Back

Scientific notation is a way of expressing numbers that are too large or too small to be conveniently written in decimal form, using powers of ten. For example, 0.00000707 can be written as 7.07 x 10^-6.

Tags

CCSS.8.EE.A.3

Front

How do you order real numbers from least to greatest?

Back

To order real numbers, compare their values. Start with the smallest number and arrange them in ascending order.

Tags

CCSS.8.NS.A.2

Front

What is the area of a square?

Back

The area of a square is calculated by squaring the length of one of its sides. If the side length is 's', then Area = s^2.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

How do you convert a percentage to a decimal?

Back

To convert a percentage to a decimal, divide the percentage by 100. For example, 43% = 43/100 = 0.43.

Front

What is the square root of a number?

Back

The square root of a number 'x' is a value 'y' such that y^2 = x. For example, the square root of 36 is 6.

Tags

CCSS.8.EE.A.2

Front

What is the difference between rational and irrational numbers?

Back

Rational numbers can be expressed as a fraction of two integers, while irrational numbers cannot be expressed as a simple fraction. Examples: 1/2 (rational) vs. √2 (irrational).

Front

How do you find the least common multiple (LCM) of two numbers?

Back

The least common multiple of two numbers is the smallest number that is a multiple of both. You can find it by listing the multiples or using prime factorization.

Front

What is an inequality?

Back

An inequality is a mathematical statement that compares two expressions, showing that one is greater than, less than, or not equal to the other.

Tags

CCSS.6.EE.B.8

Front

How do you solve a simple inequality?

Back

To solve a simple inequality, isolate the variable on one side of the inequality sign, similar to solving an equation, while reversing the inequality sign if you multiply or divide by a negative number.

Tags

CCSS.6.EE.B.8