Gradeless

Factor Finder

Find the numbers hiding inside a number: factor pairs, primes, and the number two times tables share. Read them off arrays, then race the clock!

Big Multiplication & Division · Grades 3–5 · 8 levels · Free

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8 levels

  1. Read a factor off the array
  2. Find the partner
  3. All the factors
  4. Prime or not?
  5. Factor partners up to 60
  6. In both times tables
  7. Goes into both
  8. Factors against the clock

What it practises

  • Factors and Multiples
  • Primes and Composites
  • Common Factors and Multiples

More Big Multiplication & Division lessons

Gradeless is free: short math and learning lessons for kids in kindergarten to grade 5, each one starting where your child is. For grown-ups