Factor and Multiple Riddles Worksheet
A free grade 4 logic worksheet: 6 number riddles up to 100 with clues about factors, multiples, prime numbers and digits. Answer key included.
Download the free PDF
Page 2 of the PDF is the answer key. Every download has new numbers.
How to help your child
- Start with the clue that leaves the fewest numbers, like a multiple of 7.
- A prime number has exactly two factors: 1 and itself.
- The answer key is on page 2 of the PDF.