Worked example
3 is one factor in a factor pair for 18. What is its partner?
Answer & why
Answer: 6
3 × 6 = 18. The factor pair is (3, 6).
Grade 4 · Math
Find whole-number factor pairs
Find the missing partner in a whole-number factor pair.
6 authored questions + worked example
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All questions
All 6 authored questions for this skill.
Question 1
5 is one factor in a factor pair for 35. What is its partner?
- 8
- 7
- 9
- 6
A hint
Divide the product by the known factor.
Answer & why
Answer: 7
5 × 7 = 35. The factor pair is (5, 7).
Question 2
6 is one factor in a factor pair for 42. What is its partner?
- 7
- 8
- 6
- 9
A hint
Divide the product by the known factor.
Answer & why
Answer: 7
6 × 7 = 42. The factor pair is (6, 7).
Question 3
8 is one factor in a factor pair for 48. What is its partner?
- 5
- 8
- 6
- 7
A hint
Divide the product by the known factor.
Answer & why
Answer: 6
8 × 6 = 48. The factor pair is (8, 6).
Question 4
7 is one factor in a factor pair for 56. What is its partner?
- 10
- 8
- 7
- 9
A hint
Divide the product by the known factor.
Answer & why
Answer: 8
7 × 8 = 56. The factor pair is (7, 8).
Question 5
3 is one factor in a factor pair for 18. What is its partner?
- 7
- 8
- 5
- 6
A hint
Divide the product by the known factor.
Answer & why
Answer: 6
3 × 6 = 18. The factor pair is (3, 6).
Question 6
4 is one factor in a factor pair for 24. What is its partner?
- 7
- 8
- 6
- 5
A hint
Divide the product by the known factor.
Answer & why
Answer: 6
4 × 6 = 24. The factor pair is (4, 6).