5th Grade Math Review Monday

5th Grade Math Review Monday

Fill in the Blank

Identify the digit in the hundreds place:

2839.42

Fill in the Blank

What is the true value of the 3 in

732.7

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Identify the digit in the tenths place:

931.48

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What is the true value of the 5 in 9584.23

Multiple Choice

Which of the following is the expanded form of 342.5

• three hundreds + four tens + two ones + fives oneths

• Three hundreds + four tens + two ones + five tenths

• Three hundreds + four tens + two + five

• Three hundreds + four tens + two ones + five hundredths

Base Ten Tricks

• When multiplying by base ten numbers, you move the decimal to the right by the amount of zeros in the number.

• When dividing by base ten numbers, you move the decimal to the left by the amount of zeros in the number.

• Exponents by base ten, you will move the decimal to the right the amount of the exponent.

Fill in the Blank

13.4 x 10

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65.37 x 100

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 $184\div10$  

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 $2100\div100$  

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 $3\ x\ 10^2$  

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 $6\ x\ 10^3$  

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1/12 + 6/12

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7/9 - 5/9

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1/4 + 1/3

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1/10 + 1/2

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32.7 + 1.24

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18.39 + 4.99

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20 - 7.63

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12.3 - 8.54

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82.5 x 17

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68.4 x 3.9

Fill in the Blank

934 x .84

Exponents

• Multiply the base number by itself however many times the exponent says.

• 3 to the second power, is 3 x 3

Fill in the Blank

 $8^2$  

Fill in the Blank

 $5^3$