End of Mission 1 Review

Front

4 + ___ = 7

Back

3

Front

9 = 9 + ___

Back

0

Front

9 - ___ = 4

Back

5

Front

___ - 1 = 7

Back

8

Front

What is the missing number? 5, 6, 8, 7

Back

7

Front

What is addition?

Back

Addition is combining two or more numbers to get a total.

Front

What is subtraction?

Back

Subtraction is taking one number away from another.

Front

What is a number line?

Back

A number line is a straight line with numbers placed at equal intervals.

Front

What does equals mean?

Back

Equals means that two amounts are the same.

Front

What is a missing number problem?

Back

A missing number problem asks you to find a number that makes an equation true.