Year 7 Divisibility Rules Worksheet — Level 3 — Practice Set 2 — Answers
Answer sheet with worked solutions for the Year 7 factors, multiples & primes worksheet.
Success TutoringWorksheetsAnswer sheetYear 7 · Mathematics · Factors, Multiples & PrimesYear 7 Divisibility Rules Worksheet — Level 3 — Practice Set 2 — 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: True
The last three digits make 64, which is divisible by 8.
- A25,153
- B58,989
- C80,042
- D8,341
Answer: 58,989
The digit sum is 39, which is divisible by 3.
Answer: 4
- The digit sum is 27, which is divisible by 9.
Only the digit 4 works.
Answer: True
The last two digits make 68, which is divisible by 4.
- A13,262
- B41,907
- C61,119
- D57,730
Answer: 61,119
The digit sum is 18, which is divisible by 9.
Answer: 1
- The digit sum is 18, which is divisible by 9.
Only the digit 1 works.
Answer: False
The digit sum is 31, which is not divisible by 9.
- A9,703
- B79,750
- C70,136
- D49,794
Answer: 70,136
The last two digits make 36, which is divisible by 4.
Answer: 8
- The digit sum is 27, which is divisible by 9.
Only the digit 8 works.
Answer: False
The last three digits make 313, which is not divisible by 8.
- A71,653
- B73,775
- C48,486
- D32,734
Answer: 48,486
It must divide by 2 and by 3: the last digit is 6 (even) and the digit sum is 30 (a multiple of 3).
Answer: 5
- The digit sum is 27, which is divisible by 9.
Only the digit 5 works.
Marking tips
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