Grade 5 Math Practice Test: Dividing Decimals
- Dividing Decimals
- 10 questions
- 12 minutes
This test practices dividing decimals to hundredths by whole numbers and by decimals. Tip: when you divide by a decimal, multiply both numbers by the same power of 10 so that you divide by a whole number.
Tap an option to mark your answer. You can change your mind, or tap the same option again to leave the question blank. The correct answers and explanations appear when you finish the test.Tap an option to answer; tap it again to leave the question blank.
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Question 1
What is 8.4 ÷ 4?
Correct answer: D
8 ones ÷ 4 = 2 ones and 4 tenths ÷ 4 = 1 tenth, so the quotient is 2.1. Check: 2.1 × 4 = 8.4.
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Question 2
What is 6 ÷ 0.5?
Correct answer: C
Dividing by 0.5 asks how many halves are in 6, and there are 12. The answer 3 comes from dividing by 2 instead of by one half.
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Question 3
What is 0.9 ÷ 3?
Correct answer: A
9 tenths ÷ 3 = 3 tenths, which is 0.3. 2.7 comes from multiplying instead of dividing.
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Question 4
Three friends share a $14.70 lunch bill equally. How much does each friend pay?
Correct answer: D
$14.70 ÷ 3 = $4.90. Check: $4.90 × 3 = $14.70. $4.09 skips the 9 in the tenths place.
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Question 5
What is 2.4 ÷ 0.6?
Correct answer: A
Multiply both numbers by 10: 24 ÷ 6 = 4. Check: 4 × 0.6 = 2.4. 1.44 is the product, not the quotient.
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Question 6
What is 1.5 ÷ 0.03?
Correct answer: B
Multiply both numbers by 100: 150 ÷ 3 = 50. Moving the decimal point in only one of the numbers gives 5 or 500.
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Question 7
A jug holds 3.6 liters of juice. Each cup holds 0.3 liter. How many cups can be filled from the jug?
Correct answer: B
3.6 ÷ 0.3 is the same as 36 ÷ 3 = 12 cups. 1.08 comes from multiplying 3.6 by 0.3.
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Question 8
What is 7.5 ÷ 5?
Correct answer: A
75 tenths ÷ 5 = 15 tenths, which is 1.5. Check: 1.5 × 5 = 7.5.
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Question 9
Which division has the same quotient as 4.8 ÷ 0.12?
Correct answer: C
Multiplying both 4.8 and 0.12 by 100 keeps the quotient the same and gives 480 ÷ 12 = 40. In the other options the two numbers were not multiplied by the same power of 10.
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Question 10
A ribbon 9.6 meters long is cut into 8 pieces of equal length. How long is each piece?
Correct answer: C
9.6 ÷ 8 = 1.2 meters. Check: 1.2 × 8 = 9.6. 12 meters cannot be right because each piece must be shorter than the whole ribbon.
Questions you leave blank are not counted as wrong.
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