enVision 2.0: Topic 6 Fluently Subtract Within 100

Alan has 50 toy cars.

He gives 24 to Brianna.

How many toy cars does Alan have left?

Which addition equation would be used to check your subtraction?

• 50 - 24 = 15

• 26 + 24 = 50

• 50 + 24 = 74

Ms. Ostrega has 42 pieces of gum.

She gives away 22 pieces of gum.

How many pieces are left?

Which equation would you use to answer the question?

• 42 - 22 = 20

• 20 + 22 = 42

• 22 + 42 = 64

• 42 - 20 = 22

A library has 50 books.

5 kids walk into the library and borrow 12 books.

How many books are left?

• 42 books

• 38 books

• 33

• 62

Ms. Ostrega has 88 toys.

She gives 29 to Nico.

Then she gets 5 more.

How many toys does Ms. Ostrega have now?

Which equations would you use to solve the problem?

• 88 + 29 = 117

  117 - 5 = 112

• 88 + 29 = 117

  117 + 5 = 122

• 88 - 29 = 59

  59 + 5 = 64

• 88 - 29 = 59

  59 - 5 = 54

Isla has 57 apples.

She eats 9 of them.

How many apples are left?

• 38

• 66

• 52

• 48

Ali has 87 cups.

He broke 78 of them.

How many are left?

Which subtraction AND addition equation would answer the question?

• 87 - 78 = 9

  9 + 78 = 87

• 87 - 78 = 11

  11 + 78 - 87

• 87 + 78 = 165

  165 + 78 = 87

• 87 - 78 = 9

  78 - 9 = 69

Which equations do you need to regroup?

Choose all that apply.

• 73 - 26

• 43 - 31

• 96 - 54

• 62 - 28

Jacob 44 cats.

He gives some cats away.

He now has 22 cats.

How many cats did Jacob give away?

• 22 cats

• All of them

• 66 cats

I have 90 dollars.

I spend 19 dollars.

How much do I have now?

• 90 + 19 = 109

• 90 - 19 = 71

• 90 - 71 = 19

• 90 - 19 = 89

Madina has a lot of pages in her notebook.

She uses 88 pages.

Now she has 22 pages.

How many pages did the notebook have in the beginning?

• 22 - 88 = 66

• 88 - 22 = 66

• 88 + 22 = 110