Math mountain

Front

What is an addend?

Back

An addend is a number that is added to another number in an addition operation.

Front

What is the sum of 10 and 6?

Back

The sum of 10 and 6 is 16.

Front

If 10 is the total and 4 is one of the addends, what is the missing addend?

Back

The missing addend is 6.

Front

What is the missing addend if the total is 7 and one addend is 5?

Back

The missing addend is 2.

Front

How do you find a missing addend in an addition equation?

Back

To find a missing addend, subtract the known addend from the total.

Front

What is the missing addend if the total is 7 and one addend is 6?

Back

The missing addend is 1.

Front

What is the missing addend if the total is 7 and one addend is 3?

Back

The missing addend is 4.

Front

If the total is 10 and one addend is 5, what is the missing addend?

Back

The missing addend is 5.

Front

What is the principle of addition?

Back

The principle of addition states that when two or more numbers are combined, the result is called the sum.

Front

What is the relationship between addends and the sum?

Back

Addends are the numbers being added together, and their total is called the sum.