Topic 2 Envision Math Vocabulary

Front

What is addition?

Back

Combining numbers to find their total sum.

Front

What is subtraction?

Back

Finding the difference between two numbers.

Front

True or False: The commutative property of addition states that changing the order of the numbers being added does not change the sum.

Back

True

Front

What are compatible numbers?

Back

Numbers that are easy to work with mentally because they are close in value to the actual numbers.

Front

What is the associative property of addition?

Back

The associative property of addition states that the grouping of numbers being added does not affect the sum.

Front

What is multiplication?

Back

Combining equal groups to find the total.

Front

What is division?

Back

Splitting a number into equal parts.

Front

What is the identity property of addition?

Back

The identity property of addition states that adding zero to a number does not change its value.

Front

What is the identity property of multiplication?

Back

The identity property of multiplication states that multiplying a number by one does not change its value.

Front

What is a prime number?

Back

A number greater than 1 that has no positive divisors other than 1 and itself.