Adding and Subtracting Within 20

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 is the sum of 8 and 7?

Back

15

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

Front

What is 15 - 7?

Back

8

Tags

CCSS.1.OA.C.6

Front

What is 14 - 8?

Back

6

Tags

CCSS.2.OA.A.1

Front

What is the result of 16 + 4?

Back

20

Tags

CCSS.2.NBT.B.5

Front

If you have 12 candy bars and give away 7, how many do you have left?

Back

5

Tags

CCSS.2.OA.A.1

Front

What does the equal sign (=) mean?

Back

The equal sign means that the values on both sides are the same.

Front

What is a number line?

Back

A number line is a straight line with numbers placed at equal intervals, used to represent numbers visually.

Tags

CCSS.2.MD.B.6

Front

What is a word problem in math?

Back

A word problem is a math problem written in the form of a story or real-life situation.

Tags

CCSS.1.OA.A.1