Worksheet directions

Grade 4 • Review • Choose a strategy for each problem. Explain or check your thinking where requested.

Sample questions

1. Find 189,975 + 25,025. Check your answer using the inverse operation. 189,975 + 25,025 = ___
2. A student says 2,786 + 1,459 = 3,135. Find the correct sum and explain why the proposed answer cannot be right. Correct answer: ___
3. Find the missing number. Show how you can check it. ___ + 28,369 = 74,444
4. Both rows represent the same number. Explain each exchange and write the number. How could this exchange help with addition or subtraction? Answer: ___
5. Find 58,237 + 26,485. First round each number to the nearest 1,000 to estimate. Then calculate exactly. Estimate: ___ Exact answer: ___
6. Find 409,806 + 75,094. First round each number to the nearest 10,000 to estimate. Then calculate exactly. Estimate: ___ Exact answer: ___

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

Common Core connections

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

• 4.NBT.B.4 — Fluently add and subtract multi-digit

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.