C.1
Divisibility Rules
Q1 · Sep–NovUse the rules for 2, 3, 4, 5, 6, 9, and 10 to tell what a number is divisible by.
Level
Medium
Problems
Divisibility Rules
Skill C.1 · Factors, multiples & primes · ★★☆ Medium · Quarter 1
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Use the divisibility rules for 2, 3, 4, 5, 6, 9, and 10. When asked which divide a number, list all of them.
Example
Is 4,512 divisible by 6? , so yes
Think: By 6 means by 2 and by 3: 4,512 is even, and its digits add to 12. By 4: the last two digits divide by 4. By 9: the digits add to a multiple of 9.
- 1Is 3,491 divisible by 4?
- 2Is 4,153 divisible by 6?
- 3Is 9,285 divisible by 6?
- 4Is 711 divisible by 4?
- 5Is 50,276 divisible by 4?
- 6Is 763 divisible by 6?
- 7Is 96,704 divisible by 4?
- 8Is 5,868 divisible by 6?
- 9Is 113 divisible by 6?
- 10Is 484 divisible by 4?
- 11Is 4,730 divisible by 4?
- 12Is 630 divisible by 6?
- 13Is 796 divisible by 4?
- 14Is 41,145 divisible by 4?
Answer Key
C.1 Divisibility Rules · ★★☆ Medium
- 1no
- 2no
- 3no
- 4no
- 5yes
- 6no
- 7yes
- 8yes
- 9no
- 10yes
- 11no
- 12yes
- 13yes
- 14no
C. Factors, multiples & primes11 skills
- C.1Divisibility Rules
- C.2Prime or Composite
- C.3List the Factors
- C.4Factor Pairs
- C.5Prime Factorization
- C.6Prime Factorization with Exponents
- C.7Greatest Common Factor
- C.8GCF of Three Numbers
- C.9Least Common Multiple
- C.10LCM of Three Numbers
- C.11GCF & LCM