Unit 6 review

Which equation does this number line show?

• 40+30= 70

• 50+30= 80

• 50+ 40 = 90

• 30+60=90

Which problems would you need to use regrouping of place-value blocks to solve? Choose all that apply.

• 34 -12 = ?

• 67-26= ?

• 43-16?

• 84 -0 = ?

• 76-39 = ?

Shane has 54 markers. His sister gives him 17 more markers. How many markers does Shane have now?

Choose all that have a sum of 60.

• 30 + 30

• 55 + 15

• 10 + 50

• 45 + 15

• 25 + 25

Choose all that are the same as 34 + 9 + 6.

• 30 + 10 + 9

• 30 + 10 + 6

• 49

• 30 + 20 + 9

• 40 + 9

Felix had 56 shells. He finds 38 more shells. He gives 10 shells to Saul. How many shells does Felix have now?

Kaylee has 15 carrot sticks. Ian has 7 carrot sticks. Which equation can help you find how many more carrot sticks Kaylee has than Ian?

• 7 + 7= 14

• 7 + 5= 12

• 8 + 8= 16

• 7 + 8= 15

What is the difference of 55 - 12?