Multiplying & Dividing Fractions Trivia Quiz
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Find -¼ of 3/8.
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-4/12
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-3/32
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2/3
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3/32
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Complete this quiz by reading each question carefully and choosing the BEST answer. Remember to simplify fractions when possible. Show your work and Brain Bubble on a separate sheet of paper. Each accurate Brain Bubble count for 1/2 point extra credit.
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- 2.
2 and 2/5 times 1 and 1/2. Write your answer as a mixed number.
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3 and 3/5
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2 and 2/10
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18/5
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22/10
Correct Answer
A. 3 and 3/5Explanation
The given expression is a multiplication of two mixed numbers. To multiply mixed numbers, we first convert them into improper fractions. Then, we multiply the numerators and denominators separately. Finally, we convert the resulting improper fraction back into a mixed number. In this case, 2 and 2/5 times 1 and 1/2 can be written as (12/5) * (3/2) = 36/10 = 3 and 3/5.Rate this question:
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- 3.
Find -2/3 divided by -4/5.
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8/15
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-6/8
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5/6
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-5/6
Correct Answer
A. 5/6Explanation
To divide fractions, we need to multiply the first fraction by the reciprocal of the second fraction. So, -2/3 divided by -4/5 can be written as (-2/3) * (5/-4). Simplifying this expression gives us -10/(-12), which can be further simplified to 5/6. Therefore, the correct answer is 5/6.Rate this question:
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- 4.
Find half of 2 ¾.
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1 and 1/4
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1 and 3/8
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9 and 1/2
Correct Answer
A. 1 and 3/8Explanation
To find half of 2 ¾, we first convert the mixed number to an improper fraction. 2 ¾ is equal to 11/4. To find half of 11/4, we divide the numerator (11) by 2, which gives us 5.5. Therefore, half of 2 ¾ is equal to 5.5/4. We can convert this back to a mixed number, which is 1 and 3/8.Rate this question:
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- 5.
1 and 5/7 divided by 1/2.
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3 and 3/7
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3
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24/8
Correct Answer
A. 3 and 3/7Explanation
When dividing a mixed number by a fraction, we can convert the mixed number into an improper fraction and then multiply it by the reciprocal of the fraction. In this case, 1 and 5/7 can be converted to the improper fraction 12/7. Dividing 12/7 by 1/2 is the same as multiplying 12/7 by 2/1, which gives us (12/7) * (2/1) = 24/7. The quotient 24/7 can be simplified to 3 and 3/7.Rate this question:
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- 6.
Michal earned $40 last week. He spend 3/5 of his earnings on a video game. How much did he spend? Write the value as an integer.
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$24
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$16
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-$24
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-$8
Correct Answer
A. -$24Explanation
Michal spent 3/5 of his earnings on a video game. Since his earnings were $40, we can calculate how much he spent by multiplying $40 by 3/5. The result is -$24, indicating that Michal spent $24 more than he earned.Rate this question:
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- 7.
Evan had 2/5 of a pizza left over. He gave 1/3 of the leftover pizza to his brother. How much of the total pizza did his brother get?
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1/15
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2/15
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11/15
Correct Answer
A. 2/15Explanation
Evan had 2/5 of a pizza left over. He gave 1/3 of the leftover pizza to his brother. To find out how much of the total pizza his brother got, we need to multiply the fractions 2/5 and 1/3. When we multiply these fractions, we get (2/5) * (1/3) = 2/15. Therefore, his brother got 2/15 of the total pizza.Rate this question:
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- 8.
Emily divided 1/2 of a box of cereal evenly among 4 bowls. How much of the box if cereal did she pour in each bowl?
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2 and 1/2 of the box
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1/16 of the box
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1/8 of the box
Correct Answer
A. 1/8 of the boxExplanation
Emily divided 1/2 of a box of cereal evenly among 4 bowls. To find out how much of the box of cereal she poured in each bowl, we need to divide 1/2 by 4. When we divide 1/2 by 4, we get 1/8. Therefore, Emily poured 1/8 of the box of cereal in each bowl.Rate this question:
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- 9.
You have 2 and 1/2 cups of sugar. A recipe calls for 2/3 of sugar. How many batches of the recipe can you make with the sugar you have?
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3 and 3/4 batches
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1 and 1/3 batches
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1 and 2/3 batches
Correct Answer
A. 3 and 3/4 batchesExplanation
To find out how many batches of the recipe can be made with 2 and 1/2 cups of sugar, we need to divide the total amount of sugar by the amount of sugar required for each batch. The recipe calls for 2/3 cups of sugar per batch.
Dividing 2 and 1/2 by 2/3, we can rewrite 2 and 1/2 as an improper fraction: 5/2.
Now, we can multiply the numerator of 5/2 by the reciprocal of 2/3, which is 3/2. This gives us (5/2) * (3/2) = 15/4, which is equal to 3 and 3/4.
Therefore, with 2 and 1/2 cups of sugar, you can make 3 and 3/4 batches of the recipe.Rate this question:
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- 10.
Last summer I picked 1/2 pound of blueberries. I used 2/3 of what I picked to make a cobbler and I froze the remaining blueberries. How many pounds did I use to make the cobbler?
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2/6
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1/6
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1/3
Correct Answer
A. 1/3Explanation
The question states that the person picked 1/2 pound of blueberries and used 2/3 of what they picked to make a cobbler. To find out how many pounds they used for the cobbler, we need to multiply 1/2 by 2/3. Multiplying the numerators gives us 1, and multiplying the denominators gives us 6. Therefore, the person used 1/6 pound of blueberries to make the cobbler.Rate this question:
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- 11.
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Current Version
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Jan 16, 2025Quiz Edited by
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Nov 16, 2017Quiz Created by
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