Worksheet directions

Grade 4 • Homework • Use the strategies practiced in class. Show your work and check your answers.

Sample questions

1. Estimate 5 × 318 by rounding 318 to the nearest 100. Keep 5 unchanged. Estimate: ___
2. Estimate 9 × 680 by rounding 680 to the nearest 100. Keep 9 unchanged. Estimate: ___
3. Estimate 6 × 387 by rounding 387 to the nearest 100. Keep 6 unchanged. Estimate: ___
4. Estimate 8 × 249 by rounding 249 to the nearest 100. Keep 8 unchanged. Estimate: ___
5. Estimate 38 × 52 by rounding each factor to the nearest ten. Estimate: ___
6. 7 × 149 is about 7 × 100 = 700 when rounding 149 to the nearest hundred. Does that prove an answer close to 700 is exact? Explain.

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

Common Core connections

Source labels: 4.NBT.B.5, 4.NBT.A.3. Review the learning goals below to check the fit for your class.

• 4.NBT.B.5 — Multiply up to four digits
• 4.NBT.A.3 — Round multi-digit whole numbers

Bring it into your lesson

Review the preview and question content above. Open the resource in Sparkclass to copy it to your Files and use it in your workspace. Check the resulting layout before sharing it with students.