Topic 6 Assessment

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?

• 34 apples

• 22 apples

• 12 apples

• 36 apples

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

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

How many shells does Kelsey have now?

Marvin wants to find 75 - 32 using place-value blocks.
Will Marvin need to regroup to find the difference? Which is correct?

• Yes; 75 should be regrouped as 7 tens and 15 ones.

• No; Regrouping was not used.

• Yes; 32 should be regrouped as 2 tens and 12 ones.

• Yes; 75 should be regrouped as 6 tens and 15 ones.

Carrie makes 42 muffins for a bake sale. She sells 17 muffins on Monday. She sells 23 muffins on Tuesday.

Which pair of equations should be used to find how many muffins Carrie has left to sell?

• 42 + 17 = 59

  59 - 23 = 36

• 42 - 17 = 25

  25 - 17 = 8

• 17 + 23 = 40
  42 - 40 = 2
  

• 42 + 23 = 65
  65 - 23 = 42
  

Carrie makes 42 muffins for a bake sale. She sells 17 muffins on Monday. She sells 23 muffins on Tuesday. How many muffins does Carrie have left to sell?

Which problem will you have to use regrouping of place-value blocks to solve.

• 88 - 25

• 75 - 68

Jackie has 71 crayons. Brad has 54 crayons. Mark has 35 crayons. How many fewer crayons does Mark have than Jackie?