3rd Grade Math Vocabulary

Front

The answer to an addition problem is called a _______

Back

Sum

Front

Numbers that are added

Back

addends

Front

The answer to a subtraction problem is called the _______

Back

difference

Front

Reducing or increasing the amount to the nearest 10, 100, etc to make it easier to use when the exact answer is not needed.

Back

rounding

Front

An answer that is close to the exact answer. Ex: 23 + 71 is about 100, so 100 is the estimate of adding 23 and 71.

Back

estimate

Front

to join or combine equal groups

Back

multiply

Front

What is multiplication?

Back

the operation used to combine equal groups

Front

What is a product?

Back

The answer to a multiplication problem

Front

A number that is multiplied by another number to get the product

Back

Factor

Front

Classify the sequence: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50

Back

multiples of 5