Dividing Unit Fractions by Whole Numbers
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Dividing Unit Fractions by Whole Numbers
Dividing fractions worksheet for Grade 5: sixteen problems that divide a unit fraction by a whole number, such as 1/3 ÷ 4 = 1/12, sharing one part into equal smaller parts. With an answer key.
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- Pages
- 1
- Last updated
- Time
- About 15 minutes
- Answer key
- Included
- Printing
- Black and white
- Related curriculum
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Divide a unit fraction by a whole number, such as 1/3 ÷ 4, and a whole number by a unit fraction, such as 4 ÷ 1/5, with models first and then by thinking of how many parts fit.
Reviewed by Mrs. Catherine Reynolds, Teacher. How we check worksheets
How to use this sheet
- Have the child ask the question in words: "How many 1/4s fit into 3?"
- Use the models on the sheet, or a drawing, for the first problems before using any rule.
- Check each answer by multiplying it back: the quotient times the divisor should give the starting number.
Common mistakes
- Flipping the first fraction instead of the second. Keep the first, change ÷ to ×, flip the divisor.
- Expecting division to give a smaller answer. Dividing 3 by 1/4 gives 12: there are 12 fourths in 3.
- Mixing up 1/4 ÷ 3 and 3 ÷ 1/4. Say each in words: one is a fourth shared by 3; the other is how many fourths fit in 3.
