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Math · 4th Grade
Prime and Composite
Numbers with exactly two factors, and everything else.
How to use it
Try to arrange counters into a rectangle. Primes only make one long line.
Free · print-ready PDF · US Letter and A4
- Grade
- 4th Grade
- Ages
- 9–10
- Subject
- Math
- Pages
- 1
The rest of the 4th Grade wall
49 more posters, all free to print — 11 of them here.
Dividing by 2Every ÷2 fact, with the multiplication that proves each one.Dividing by 3Every ÷3 fact, with the multiplication that proves each one.Dividing by 4Every ÷4 fact, with the multiplication that proves each one.Dividing by 5Every ÷5 fact, with the multiplication that proves each one.Dividing by 6Every ÷6 fact, with the multiplication that proves each one.Dividing by 7Every ÷7 fact, with the multiplication that proves each one.Dividing by 8Every ÷8 fact, with the multiplication that proves each one.Dividing by 9Every ÷9 fact, with the multiplication that proves each one.Dividing by 10Every ÷10 fact, with the multiplication that proves each one.Dividing by 11Every ÷11 fact, with the multiplication that proves each one.Dividing by 12Every ÷12 fact, with the multiplication that proves each one.