Worksheet directions

Grade 4 • Guided Practice • Work with your teacher or a partner. Discuss the model or strategy, then complete each problem.

Sample questions

1. A rectangle has area 128 square units and one side of 4 units. Find the missing side by splitting the area into 120 and 8 square units. Answer: ___
2. A rectangle has area 215 square units and one side of 5 units. Find the missing side by splitting the area into 200 and 15 square units. Answer: ___
3. A rectangle has area 92 square units and one side of 4 units. Find the missing side by splitting the area into 80 and 12 square units. Answer: ___
4. A rectangle has area 252 square units and one side of 6 units. Find the missing side by splitting the area into 240 and 12 square units. Answer: ___
5. A rectangle has area 72 square units and one side of 3 units. Find the missing side by splitting the area into 60 and 12 square units. Answer: ___
6. A rectangle has area 312 square units and one side of 6 units. Find the missing side by splitting the area into 300 and 12 square units. Answer: ___

See the preview for diagrams, answer spaces, and the complete layout.

Common Core connections

Source labels: 4.NBT.B.6. Review the learning goals below to check the fit for your class.

• 4.NBT.B.6 — Divide with up to four-digit dividends

Bring it into your lesson

Open this worksheet in Sparkclass to copy it to your Files. Check the resulting layout before sharing it with students.