Number sense

Front

What is an equivalent fraction?

Back

An equivalent fraction is a fraction that represents the same value as another fraction, even though the numerator and denominator are different. For example, 1/2 and 2/4 are equivalent fractions.

Front

How do you find an equivalent fraction for a whole number?

Back

To find an equivalent fraction for a whole number, you can write the whole number as a fraction with a denominator of 1. For example, 7 can be written as 7/1. Then, multiply both the numerator and denominator by the same number. For example, 7/1 = 49/7.

Front

What is an even number?

Back

An even number is any integer that is exactly divisible by 2. This means it has no remainder when divided by 2. Examples include -4, 0, 2, 4, 6, etc.

Front

How do you determine the sum of digits in a number?

Back

To find the sum of the digits in a number, add each digit together. For example, for the number 35,082, the sum is 3 + 5 + 0 + 8 + 2 = 18.

Front

What does it mean for a number to be rounded to the nearest hundred?

Back

Rounding a number to the nearest hundred means adjusting the number to the closest multiple of 100. For example, 6,462 rounded to the nearest hundred is 6,500.

Front

What is an inequality?

Back

An inequality is a mathematical statement that compares two values, showing that one is less than, greater than, or not equal to the other. For example, 5 < 10 means 5 is less than 10.

Front

How do you compare two numbers?

Back

To compare two numbers, look at their value. If the first number is less than the second, use '<'. If it is greater, use '>'. If they are equal, use '='.

Front

What is a five-digit number?

Back

A five-digit number is any number that has exactly five digits, ranging from 10,000 to 99,999.

Front

What are the properties of even numbers?

Back

Even numbers are divisible by 2, the sum of two even numbers is always even, and the product of two even numbers is also even.

Front

What is the significance of the thousands place in a number?

Back

The thousands place is the fourth digit from the right in a whole number. It represents how many thousands are in the number. For example, in 5,482, the '5' is in the thousands place.