Home / Math / Printables / Grade 4 / Divide with an Area Model Divide with an Area Model is a free printable Grade 4 math worksheet on finding a missing side by splitting the area into two parts, aligned to Common Core standard 4.NBT.B.6. It prints 6 questions with an answer key on its own sheet of paper, in 25 versions that each ask different questions, so no two students in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.
Set 19 of 25 · the same problems every time you open this link.
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Divide with an Area Model 4.NBT.B.6
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Read carefully, then work out the answer.
1. A rectangle has an area of 558 square units. One side is 9 units long. Split the area into 540 and 18. How long is the other side?
2. A rectangle has an area of 531 square units. One side is 9 units long. Split the area into 450 and 81. How long is the other side?
3. A rectangle has an area of 357 square units. One side is 7 units long. Split the area into 350 and 7. How long is the other side?
4. A rectangle has an area of 217 square units. One side is 7 units long. Split the area into 210 and 7. How long is the other side?
5. A rectangle has an area of 168 square units. One side is 7 units long. Split the area into 140 and 28. How long is the other side?
6. A rectangle has an area of 230 square units. One side is 5 units long. Split the area into 200 and 30. How long is the other side?
LessonPrint · 4.NBT.B.6 · Set 19 · free to copy for classroom use
Answer key — Divide with an Area Model Set 19. Prints on its own sheet.
1. 540 ÷ 9 = 60; 18 ÷ 9 = 2; 60 + 2 = 62 units 2. 450 ÷ 9 = 50; 81 ÷ 9 = 9; 50 + 9 = 59 units 3. 350 ÷ 7 = 50; 7 ÷ 7 = 1; 50 + 1 = 51 units 4. 210 ÷ 7 = 30; 7 ÷ 7 = 1; 30 + 1 = 31 units 5. 140 ÷ 7 = 20; 28 ÷ 7 = 4; 20 + 4 = 24 units 6. 200 ÷ 5 = 40; 30 ÷ 5 = 6; 40 + 6 = 46 units Last reviewed 2026-09-05. Aligned to 4.NBT.B.6 of the Common Core State Standards for Mathematics.