7th Grade Divisibility Rules Worksheet — Level 3 — Practice Set 3 — Answers
Answer sheet with worked solutions for the 7th Grade factors, multiples & primes worksheet.
Success TutoringWorksheetsAnswer sheet7th Grade · Mathematics · Factors, Multiples & Primes7th Grade Divisibility Rules Worksheet — Level 3 — Practice Set 3 — Answers
Use the divisibility rules. For 3 and 9 add the digits; for 4 and 8 look at the last two or three digits.
Answer: False
It must divide by 2 and by 3: the last digit is 0 (even) and the digit sum is 20 (not a multiple of 3).
- A67,048
- B52,140
- C73,616
- D57,975
Answer: 52,140
It must divide by 2 and by 3: the last digit is 0 (even) and the digit sum is 12 (a multiple of 3).
Answer: 1
- The digit sum is 18, which is divisible by 9.
Only the digit 1 works.
Answer: True
It must divide by 2 and by 3: the last digit is 8 (even) and the digit sum is 18 (a multiple of 3).
- A23,590
- B69,876
- C15,037
- D13,793
Answer: 69,876
It must divide by 2 and by 3: the last digit is 6 (even) and the digit sum is 36 (a multiple of 3).
Answer: 8
- The digit sum is 36, which is divisible by 9.
Only the digit 8 works.
Answer: True
The digit sum is 24, which is divisible by 3.
- A88,643
- B1,830
- C75,133
- D76,150
Answer: 1,830
The digit sum is 12, which is divisible by 3.
Answer: 2
- The digit sum is 18, which is divisible by 9.
Only the digit 2 works.
Answer: False
The last three digits make 451, which is not divisible by 8.
- A58,671
- B33,463
- C60,938
- D50,549
Answer: 58,671
The digit sum is 27, which is divisible by 9.
Answer: 5
- The digit sum is 18, which is divisible by 9.
Only the digit 5 works.
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