Year 7 Divisibility Rules Worksheet — Level 3 — 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 — 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
The digit sum is 16, which is not divisible by 9.
- A58,924
- B28,486
- C73,133
- D47,621
Answer: 58,924
The last two digits make 24, which is divisible by 4.
Answer: 3
- The digit sum is 18, which is divisible by 9.
Only the digit 3 works.
Answer: False
The last two digits make 50, which is not divisible by 4.
- A98,811
- B25,676
- C48,351
- D93,720
Answer: 93,720
It must divide by 2 and by 3: the last digit is 0 (even) and the digit sum is 21 (a multiple of 3).
Answer: 3
- The digit sum is 18, which is divisible by 9.
Only the digit 3 works.
Answer: True
The last three digits make 720, which is divisible by 8.
- A27,533
- B66,522
- C99,056
- D19,585
Answer: 66,522
It must divide by 2 and by 3: the last digit is 2 (even) and the digit sum is 21 (a multiple of 3).
Answer: 2
- The digit sum is 18, which is divisible by 9.
Only the digit 2 works.
Answer: True
The last two digits make 40, which is divisible by 4.
- A17,556
- B56,772
- C10,324
- D98,251
Answer: 56,772
The digit sum is 27, which is divisible by 9.
Answer: 8
- The digit sum is 18, which is divisible by 9.
Only the digit 8 works.
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