Missing Numbers (Addition & Subtraction)

Front

What is addition?

Back

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

Tags

CCSS.1.OA.A.1

Front

What is subtraction?

Back

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

Tags

CCSS.2.NBT.B.7

Front

What does the equal sign (=) mean?

Back

The equal sign means that the two sides of the equation have the same value.

Front

What is a missing number in a math problem?

Back

A missing number is a number that is not shown but can be found by solving the problem.

Tags

CCSS.1.OA.A.1

Front

If you have 5 apples and you add 3 more, how many apples do you have?

Back

You have 8 apples.

Tags

CCSS.1.OA.A.1

Front

If you have 10 candies and you give away 4, how many candies do you have left?

Back

You have 6 candies left.

Tags

CCSS.2.OA.A.1

Front

What is the sum of 2 and 3?

Back

The sum of 2 and 3 is 5.

Tags

CCSS.2.OA.C.3

Front

What is 7 minus 2?

Back

7 minus 2 is 5.

Tags

CCSS.1.OA.A.1

Front

If you see the equation 4 + ? = 10, what is the missing number?

Back

The missing number is 6.

Tags

CCSS.1.OA.A.1

Front

If you see the equation ? - 3 = 5, what is the missing number?

Back

The missing number is 8.

Tags

CCSS.1.OA.D.8