Math 1st grade

Front

What is subtraction?

Back

Subtraction is taking away a number from another number. For example, 7 - 4 means you take 4 away from 7.

Tags

CCSS.2.OA.A.1

Front

What is the subtraction sentence for Mrs. Rich's marbles?

Back

7 - 4 = 3

Tags

CCSS.2.OA.A.1

Front

What is addition?

Back

Addition is putting together two or more numbers to find a total. For example, 3 + 2 = 5.

Tags

CCSS.1.OA.A.1

Front

What is 7 + 1?

Back

8

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

Front

What is 5 + 7?

Back

12

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

Front

What is 4 + 4?

Back

8

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

Front

If I have 7 pigs and 3 ran away, how many are left?

Back

7 - 3 = 4

Tags

CCSS.2.OA.A.1

Front

What does the plus sign (+) mean?

Back

The plus sign means to add numbers together.

Tags

CCSS.1.OA.A.1

Front

What does the minus sign (-) mean?

Back

The minus sign means to take away a number from another number.

Tags

CCSS.7.NS.A.1B

Front

What is the total of 2 + 2?

Back

4

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2