Repeated Addition and Subtraction

Select the correct number model with the rectangular array:

• 2+2+2+2=8

• 3+3+3+3+3=15

• 5+5+5+5+5=25

• 4+4+4+4+4=20

5 groups of 6 is the same as what repeated addition sentence?

• 6 + 5

• 6 + 6 + 6 + 6 + 6 

• 6 + 6 + 6 + 6 + 6 + 6 + 6

• 5 + 5 + 5 + 5 + 5

What is the repeated subtraction ?

• 10 - 5 - 5 = 0

• 8 - 4 - 4 = 0

• 4 - 2 - 2 = 0

• 2 - 2 = 0

What array is this?

• 5 + 5 + 5 + 5 = 20

• 5 + 4 = 9

• 4 + 4 + 4 = 20

• 4 + 5 = 9

Write an addition fact to solve the problem. Amy has 9 bookmarks. Mark gives Amy 8 more bookmarks. How many bookmarks does Amy have now? ​ (a)   ​ (b)   ​ (c)   ​ =​ ​ (d)  

• 9

• +

• 8

• 17

• -

• 10

• 7

• 11

• 6

• 18

What repeated addition equation correctly represents this tape diagram?

• 5 + 5 + 5 + 5

• 4 + 4 + 4 + 4 + 4

• 8 + 8 + 4

• 3 + 3 + 3 + 3 + 3

What repeated addition equation represents this tape diagram?

• 4 + 4 = 8

• 2 + 2 + 2 = 6

• 2 + 2 + 2 + 2 = 8

• 2 + 2 + 2 + 2 = 9

What is the repeated addition equation for this array?

• 3 + 3 + 3 = 8

• 3 + 3 = 6

• 3 + 3 + 3 = 9

• 4 + 5 = 9

Write an addition fact to solve the problem. Amy has 9 bookmarks. Mark gives Amy 8 more bookmarks. How many bookmarks does Amy have now? ​ (a)   ​ (b)   ​ (c)   ​ =​ ​ (d)  

• 9

• +

• 8

• 17

• -

• 10

• 7

• 11

• 6

• 18

What repeated addition goes along with this array? 

• 5+5+5+5+5+5+5+5

• 5+5+5+5

• 4+4+4+4+4+4+4

• 4+4+4