Unit 3: Division Review

Which expression would BEST help determine the missing number in 30 ÷ 5 = _ ?

• 30 x 5

• 5 x 6

• 5 x 5

• 3 x 10

How can you find the missing number in the equation 63 ÷ 7 =◻?

• Find the number that makes 7 when multiplied by 7.

• Find the number that makes 9 when divided by 9.

• Find the number that makes 63 when multiplied by 7.

• Find the number that makes 63 when divided by 7.

Which of these shows how to find 48 ÷ 6?

• Use repeated subtraction from 48

  48 - 6 - 6 - 6 - 6 - 6- 6

• 1. Count the number of times it takes to skip-count to 48:

  12, 24, 36, 48

  
  

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Which problem could be solved using the expression 

45 ÷ 9?

• Damian has 45 baseball cards. His brother gives him 9 more. How many does he have now?

• A bracelet can hold 9 beads. If there are a total of 45 beads, how many bracelets are there?

• The bakery baked 45 muffins. If there are a total of 45 muffins, how many have already been sold, how many have not been sold?

• There are 45 tables in the cafeteria. It takes 9 seconds to wipe down each table. How long will it take to clean all 45 tables?

Which expression would help find the missing number in the equation 24 ÷ 4 = ◻?

• (20÷2) + (4÷2)

• (12÷4) + (12÷4)

• (12÷3) + (12÷3)

• (20÷1) + (4÷3)

Which expression will give you the same answer as 7 x 9?

• 9 ÷ 7

• 9 - 7

• 9 + 7

• 9 x 7

Which equation best matches the expression?

• (4×3) × (4×1)

• (4×3) + (4×1)

• (4×3) ÷ (4×1)

• (4×3) - (4×1)

There are 35 books left to collect for a book drive. Which TWO expressions show the number of books still needed?

• 5×7 = (9 × 6) − (2 × 6)

• 5×7 = (10 × 5) − (3 × 5)

• 5×7 = 7 + 7 + 7 + 7 + 7 + 7

• 5×7 = 7 + 7 + 7 + 7 + 7

• 5×7 = 5 + 5 + 5 + 5 + 5

Which equation is TRUE?

• 8 × 5 = 10 × 4

• 7 x 6 = 5 x 6

• 4 x 3 = 10 x 2

• 5 x 4 = 10 x 8

Carrie and Karl were counting their change. Carrie had 7 pennies, and Karl had 7 dimes. Carrie said that she and Karl had the same amount of money, but Karl said that she was wrong. Which friend is correct and why?

• Carrie was right because ​7×1=7.

• Carrie was right because they both had the same number of coins.

• Karl was right because dimes are worth ten times more than pennies.

• Karl was right because pennies are worth ten times more than dimes.