Use mental math to solve the problem:

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Topic 45
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Use mental math to solve the problem

• If 1200 is shared evenly by 4 friends how much
  money does each person get?

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300
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Use mental math to find the quotient

• If 56,000 light bulbs are divided into 80 crates,
  how many light bulbs are in each crate?

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700
bulbs
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Over what place value should the first digit in
the quotient be placed if you divide 823 by 9?
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Tens Place
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Estimate using compatible numbers (show a
complete equation)

• 421 / 59

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420 / 60 7
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Estimate using compatible numbers (show a
complete equation)

• 329 / 75

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320 /80 4
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The Laine family are setting up picnic tables for
a family reunion. If each table can seat 6
people. How many tables are needed for the 104
guest?
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18 tables
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Use the model to write a complete division and
multiplication equation. Solve each.
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216
n
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216 / 18 n
18 n 216
n12
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Divide and write any remainder as a fraction

• 853 / 4

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213 1/4
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Divide and write any remainder as a fraction

• 149 / 7

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21 2/7
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John played 312 minutes of video games in a month
which was 3 times as much as Mike. How many
minutes did Mike play?
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104 minutes
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5 people share 425. All 100 dollar bills are
replaced by 10 dollar bills.

1. How many 10 dollar bills will each person get?
2. How many 10 dollar bills will be left?
3. Exchange the left over 10 dollar bills with 1
   dollar bills. How many 1 dollar bills does each
   person get ?
4. How much money does each person get?

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A. 8 ten dollar bills eachB. 2 ten dollar
bills left over C. 5 one
dollar bills each D. 85 dollars each
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Divide and write any remainder as a fraction

• 833 / 42

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19 35/42
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Divide and write any remainder as a fraction

• 233 / 34

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6 29/33
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Identify if there is extra or missing information
in the word problem. Solve if possible.

• 160 people were going to a party. How many
  tables are needed to seat all 160 people?

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Missing Info!
How many people can sit at a table?
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Identify if there is extra or missing information
in the word problem. Solve if possible.

• A shoe rack cost 7.00. If each shoe rack can
  hold 6 pairs of shoes, how many racks are needed
  to hold 21 pairs of shoes?

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Extra Info!
4 Racks
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Label the Parts of the division problem

• 186 / 6 31
• A. B. C.

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A. Dividend
B. Divisor
C. Quotient