Topic 1 - 6

Which is the difference of 53 - 4?

• 46

• 47

• 48

• 49

Mr. Musial has 62 apples. He gives away 28 of the apples. How many apples are NOT given away?

A pet store has 58 goldfish. The store also has 23 sunfish. 7 fish are sold.

How many fish are NOT sold?

• 88

• 74

• 75

• 28

Dan has 58 shells. Kelsey has 6 fewer shells than Dan. Kelsey gives 8 shells to her friend.

Which pair of equations should be used to find how many shells Kelsey has now?

• 58 - 6 = 52

  52 - 8 = 44

• 58 - 6 = 52

  52 + 8 = 60

• 58 + 6 = 64

  64 - 8 = 56

• 58 + 6 = 64

  64 + 8 = 72

Choose all of the problems that you will solve by regrouping if you subtract.

• 36 - 0 = ?

• 48 - 24 = ?

• 36 - 15 = ?

• 53 - 19 = ?

• 65 - 37 = ?

Gina thinks this number line models 54 + 30 = 84.

She thinks 3 tens have been added to 54. Is she correct?

Choose the correct explanation.

• No. The number line shows starting at 54 and counting back by 3 tens.

• Yes. The number line shows starting at 54 and counting on 3 tens.

• No. The number line shows starting at 24 and counting on 3 tens.

• No. The number line shows starting at 54 and counting back 4 tens.

6 black cats and 5 orange cats are in the barn. Then 8 cats leave.

How many cats are still in the barn?

Jill has 58 stickers. Her brother gives her 27 more stickers.

How many stickers does Jill have now?

• 31

• 63

• 75

• 85

Which are equal to 54 + 38?

Choose ALL that apply.

• 50 + 30 + 4 + 8

• 80 + 12

• 82

• 92

• 50 + 40 + 12

Which is the sum of 42 + 28?

• 71

• 70

• 68

• 60