F.7

소수와 합성수 구별하기

1분기 (9~11월)

100 이하의 수가 소수(prime)인지 합성수(composite)인지 구별하기

난이도

보통

난이도

문제 수

예제 포함답안지 포함

@page { size: letter; margin: 0; } @media print { .ws-page + .ws-page { break-before: page; } } Daniel Math Academy \cdot Grade 5 Math Prime or Composite Skill F.7 \cdot Primes, factors & multiples \cdot ★★☆ Medium \cdot Quarter 1 Name Date Score / 8 Scan for answers Write prime or composite. Example 13 \to prime 15 \to composite (3 \times 5) Think: A prime number has exactly two factors: 1 and itself. 15 also has 3 and 5, so it is composite. 1 Is 83 prime or composite? 2 Is 88 prime or composite? 3 Is 8 prime or composite? 4 Is 67 prime or composite? 5 Is 60 prime or composite? 6 Is 74 prime or composite? 7 Is 64 prime or composite? 8 Is 57 prime or composite? Daniel Math Academy \cdot danielmath.com Worksheet # kzpri9c \cdot Page 1 / 2 Daniel Math Academy \cdot Grade 5 Math Answer Key F.7 Prime or Composite \cdot ★★☆ Medium 1 prime 2 composite 3 composite 4 prime 5 composite 6 composite 7 composite 8 composite Daniel Math Academy \cdot danielmath.com Worksheet # kzpri9c \cdot Answer Key \cdot Page 2 / 2

F. 약수·배수와 소인수분해스킬 9개