Equivalent Fractions Quiz
About this quiz
Find the missing numerator that makes two fractions equal, such as 2/3 = □/12.
- Choose small, medium, or larger denominators.
- Answer 10, 20, or 30 flash cards, one at a time, while a timer runs.
- At the end, review your score, time, and every mistake, then practice just the cards you missed.
- For Grades 3–4 · Common Core 3.NF.A.3, 4.NF.A.1
Worked example
2/3 = 8/12
3 × 4 = 12, so multiply the numerator by 4 as well: 2 × 4 = 8.
Tip: Whatever you multiply the denominator by, multiply the numerator by the same number.
Practice the same skill
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Equivalent Fractions practice online
Solve a set at your own pace and check each answer.
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Equivalent Fractions worksheets with answers
Print a fresh worksheet with an answer key.
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Lesson: Equivalent fractions
A short visual lesson with guided questions.