H.5

Prime or Composite

Q2 · Dec–Feb

Decide whether numbers up to 100 are prime or composite.

Level

Medium

Level

Problems

Show exampleInclude answer key

@page { size: letter; margin: 0; } @media print { .ws-page + .ws-page { break-before: page; } } Daniel Math Academy \cdot Grade 4 Math Prime or Composite Skill H.5 \cdot Factors, multiples & primes \cdot ★★☆ Medium \cdot Quarter 2 Name Date Score / 8 Scan for answers Write prime or composite. Example 13 \to prime 21 \to composite (3 \times 7) Think: A prime number has exactly two factors, 1 and itself. 21 also has 3 and 7, so it is composite. 1 Is 99 prime or composite? 2 Is 24 prime or composite? 3 Is 25 prime or composite? 4 Is 41 prime or composite? 5 Is 30 prime or composite? 6 Is 85 prime or composite? 7 Is 33 prime or composite? 8 Is 65 prime or composite? Daniel Math Academy \cdot danielmath.com Worksheet # gqfne93 \cdot Page 1 / 2 Daniel Math Academy \cdot Grade 4 Math Answer Key H.5 Prime or Composite \cdot ★★☆ Medium 1 composite 2 composite 3 composite 4 prime 5 composite 6 composite 7 composite 8 composite Daniel Math Academy \cdot danielmath.com Worksheet # gqfne93 \cdot Answer Key \cdot Page 2 / 2

H. Factors, multiples & primes6 skills