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 last two digits make 27, which is not divisible by 4.
- A86,389
- B65,153
- C5,948
- D66,066
Answer: 5,948
The last two digits make 48, which is divisible by 4.
Answer: 8
- The digit sum is 27, which is divisible by 9.
Only the digit 8 works.
Answer: True
The digit sum is 27, which is divisible by 9.
- A88,254
- B90,308
- C22,089
- D34,491
Answer: 88,254
The digit sum is 27, which is divisible by 9.
Answer: 2
- The digit sum is 27, which is divisible by 9.
Only the digit 2 works.
Answer: True
It must divide by 2 and by 3: the last digit is 8 (even) and the digit sum is 30 (a multiple of 3).
- A81,454
- B55,209
- C84,245
- D93,680
Answer: 55,209
The digit sum is 21, which is divisible by 3.
Answer: 1
- The digit sum is 18, which is divisible by 9.
Only the digit 1 works.
Answer: False
The last two digits make 43, which is not divisible by 4.
- A47,444
- B29,998
- C34,889
- D33,347
Answer: 47,444
The last two digits make 44, which is divisible by 4.
Answer: 1
- The digit sum is 18, which is divisible by 9.
Only the digit 1 works.
Marking tips
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