Multiplying Fractions by Whole Numbers — Answer Key
Part A: Fill in the Blank
Write the missing word or number on each line.
1. The product 8 x 1/5 is 8/5 before converting.
Grade 4 unit-fraction rule a x 1/b = a/b.
2. As a mixed number, 8/5 equals 1 3/5.
Grade 4 learners convert improper fractions to mixed form.
3. The product 4 x 5/6 written as an improper fraction is 20/6.
Grade 4 rule keeps the denominator unchanged.
4. Simplest mixed-number form of 20/6 is 3 1/3.
Grade 4 students simplify after converting to a mixed number.
5. Computing 9 x 2/5 gives the improper fraction 18/5.
Grade 4 multiplication rule a x (b/c) = (a x b)/c.
6. The mixed-number form of 18/5 is 3 3/5.
Grade 4 conversion of improper to mixed.
7. The product 6 x 3/4 equals 18/4 as an improper fraction.
Grade 4 rule keeps denominator 4.
8. Simplifying 18/4 to a mixed number in simplest form gives 4 1/2.
Grade 4 learners write fractions in simplest form.
9. The product 10 x 1/3 written as an improper fraction is 10/3.
Grade 4 unit-fraction multiplication.
Part B: Matching
Match each item on the left to the correct answer on the right.
1. Match each item to its correct answer.
8 x 1/5
→ 1 3/5
1 3/5
4 x 5/6
→ 3 1/3
3 1/3
6 x 3/4
→ 4 1/2
4 1/2
9 x 2/5
→ 3 3/5
3 3/5
Grade 4 students match each product to its simplest mixed-number form.