R.3

모르는 변의 길이 구하기

4분기 (4~6월)

넓이 또는 둘레와 한 변의 길이로 직사각형의 다른 변 구하기

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 4 Math Find the Missing Side Skill R.3 \cdot Area & perimeter \cdot ★★☆ Medium \cdot Quarter 4 Name Date Score / 6 Scan for answers Find each missing side. Include units. Example 8 m ? Area = 48 m² ? = 6 m Think: Work backward: divide the area by the length, 48 \div 8 = 6 . For a perimeter, take half of it and subtract the length. 1 5 in ? Perimeter = 16 in Find the missing side. 2 5 cm ? Perimeter = 14 cm Find the missing side. 3 8 cm ? Perimeter = 26 cm Find the missing side. 4 10 cm ? Area = 40 cm² Find the missing side. 5 15 in ? Area = 60 in² Find the missing side. 6 9 in ? Area = 45 in² Find the missing side. Daniel Math Academy \cdot danielmath.com Worksheet # 73weatc \cdot Page 1 / 2 Daniel Math Academy \cdot Grade 4 Math Answer Key R.3 Find the Missing Side \cdot ★★☆ Medium 1 3 in 2 2 cm 3 5 cm 4 4 cm 5 4 in 6 5 in Daniel Math Academy \cdot danielmath.com Worksheet # 73weatc \cdot Answer Key \cdot Page 2 / 2

R. 넓이와 둘레스킬 5개