Modeling Addition and Subtraction

5 + 3 =

• 5 - 3

• 9

• 2

• 3 + 5

Which best represents how to find the missing ?

• 8 + 15

• 15 - 8

• 8 - 15

• 15 + 8

Tags

CCSS.2.OA.A.1

In a fact family, there are ____ equations.

• 4

• 3

• 1

• 3

Lauren has 5 dolls. Kate has 12 dolls. How many more dolls does Kate have than Lauren?

• 12

• 5

• 6

• 7

Which equation best describes the model?

• 7 - 4 = 3

• 7 + 4 = 11

• 11 - 4 = 7

• 7 + 11 = 18

Tags

CCSS.2.OA.A.1

Which word problem best describes the model?

• I had 3 apples. My sister gave me 5. How many apples do I have altogether?

• I had 5 apples. I gave 3 to my sister. How many apples do I have left?

• I had 8 apples and ate 5. How many do I have left?

• I ate 5 apples and my sister gave me 3. How many apples do I have now?

Given these numbers: 4 ,5 and 9, find the IMPOSTOR.

• 4 + 5 = 9

• 9 - 5 = 4

• 9 + 5 = 14

• 9 - 4 = 5

Ms. Ynty and Ms. Tianny have 36 books. 12 of those books belong to Ms. Tianny. How many books belong to Ms. Ynty?

• 48

• 24

• 34

• 26

Given these numbers: 6, 5, and 11. Which of these equations could be part of this fact family?

• 11 + 6 = 17

• 11- 6 = 6

• 11 - 5 = 6

• 11 + 5 = 16

The following equation can be written from the model:

• 9 + 8 = 17

• 9 - 8 = 1

• 17 - 9 = 8

• 17 - 8 = 9

Tags

CCSS.2.OA.A.1