Post-Assessment 2B - Session 2

Front

What is addition?

Back

Addition is the process of finding the total or sum by combining two or more numbers.

Front

What is the sum of 35 and 40?

Back

The sum of 35 and 40 is 75.

Front

If Jenna has 13 paper clips and Marco has 5, how many more paper clips does Jenna have than Marco?

Back

Jenna has 8 more paper clips than Marco.

Front

What is a fact family in math?

Back

A fact family is a group of related addition and subtraction facts that use the same numbers.

Front

What is the missing fact in the fact family for 15, 9, and 6?

Back

The missing fact is 15 - 9 = 6.

Front

How do you estimate the sum of two numbers?

Back

To estimate the sum, round each number to the nearest ten and then add those rounded numbers.

Front

What is the result of 38 + 23 when estimated?

Back

When estimated, 38 + 23 is about 60.

Front

What does it mean to 'add'?

Back

To 'add' means to combine two or more quantities to get a total.

Front

What is subtraction?

Back

Subtraction is the process of taking one number away from another.

Front

What is the difference between 13 and 5?

Back

The difference between 13 and 5 is 8.