Adding and Subtracting Within 20

A farmer has 5 cows and buys 3 more. How many cows does the farmer have now?

Answer explanation

5 + 3 = 8

Tags

CCSS.1.OA.A.1

Marcellus saw 8 penguins at the zoo in Virginia. He then went to the Maryland zoo and saw 7 more. How many penguins did Marcellus see in total?

Answer explanation

8 + 7 = 15

Tags

CCSS.2.OA.A.1

Freddy the Frog had 5 friends but when he went to a new swamp he made 9 more. How many friends does Freddy the Frog have now?

Answer explanation

5 + 9 = 14

Tags

CCSS.2.OA.A.1

2+7

• 5

• 8

• 9

• 11

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

3+8

• 12

• 5

• 8

• 11

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

10+10

• 40

• 4

• 20

• 1

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

11-2=

• 9

• 3

• 10

• 1

Tags

CCSS.1.OA.C.6

12-9

• 10

• 3

• 8

• 4

Tags

CCSS.2.OA.A.1

13-6=

• 7

• 12

• 20

• 9

Tags

CCSS.2.OA.A.1

Draw a picture illustrating the statement below.

If Isla has 8 apples and Peter has 5 apples, how many apples do they have together?

Tags

CCSS.2.OA.A.1