Subtraction within 20

Front

What is subtraction?

Back

Subtraction is the process of taking one number away from another. It shows how many are left after some are taken away.

Tags

CCSS.2.NBT.B.7

Front

What does the minus sign (-) mean?

Back

The minus sign means to subtract or take away.

Tags

CCSS.7.NS.A.1C

Front

What is the result of a subtraction called?

Back

The result of a subtraction is called the difference.

Front

What is 20 - 8?

Back

12

Tags

CCSS.2.OA.A.1

Front

What is 18 - 5?

Back

13

Tags

CCSS.2.OA.A.1

Front

What is 17 - 6?

Back

11

Tags

CCSS.1.OA.C.6

Front

What is 9 - 6?

Back

3

Tags

CCSS.1.OA.C.6

Front

What is 16 - 4?

Back

12

Tags

CCSS.2.OA.A.1

Front

If you have 10 apples and you give away 3, how many do you have left?

Back

You have 7 apples left.

Tags

CCSS.2.OA.A.1

Front

What is the difference between 15 and 7?

Back

The difference is 8.

Tags

CCSS.2.OA.A.1