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 14 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 456 square units. One side is 6 units long. Split the area into 420 and 36. How long is the other side?
2. A rectangle has an area of 536 square units. One side is 8 units long. Split the area into 480 and 56. How long is the other side?
3. A rectangle has an area of 272 square units. One side is 4 units long. Split the area into 240 and 32. How long is the other side?
4. A rectangle has an area of 182 square units. One side is 7 units long. Split the area into 140 and 42. How long is the other side?
5. A rectangle has an area of 497 square units. One side is 7 units long. Split the area into 490 and 7. How long is the other side?
6. A rectangle has an area of 154 square units. One side is 7 units long. Split the area into 140 and 14. How long is the other side?
LessonPrint · 4.NBT.B.6 · Set 14 · free to copy for classroom use
Answer key — Divide with an Area Model Set 14. Prints on its own sheet.
1. 420 ÷ 6 = 70; 36 ÷ 6 = 6; 70 + 6 = 76 units 2. 480 ÷ 8 = 60; 56 ÷ 8 = 7; 60 + 7 = 67 units 3. 240 ÷ 4 = 60; 32 ÷ 4 = 8; 60 + 8 = 68 units 4. 140 ÷ 7 = 20; 42 ÷ 7 = 6; 20 + 6 = 26 units 5. 490 ÷ 7 = 70; 7 ÷ 7 = 1; 70 + 1 = 71 units 6. 140 ÷ 7 = 20; 14 ÷ 7 = 2; 20 + 2 = 22 units Last reviewed 2026-09-05. Aligned to 4.NBT.B.6 of the Common Core State Standards for Mathematics.