Grade 3 Math Chapter 1 | Day 4 Interactive Worksheet

Day 4 | Subtraction with Regrouping | Type, Print or Download

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AHAVA HOME LEARNING ACADEMY

Grade 3 Mathematics • Chapter 1 • Day 4

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Direct Instruction

A subtraction can be solved by regrouping place values. If there are not enough ones, trade one ten for ten ones; across zeros, continue trading from a higher place.

Worked example: 604 – 278. Trade 1 hundred for 10 tens, then 1 ten for 10 ones. Ones: 14 – 8 = 6. Tens: 9 – 7 = 2. Hundreds: 5 – 2 = 3. Result 326.

Check the answer by addition: 326 + 278 = 604. An inverse operation catches many errors.

Guided Practice

1. Subtract 703 – 286 using place-value trades. Write one trade at a time.

2. Subtract 1,002 – 478, then verify with addition.

Independent Practice: 20 Questions

1. Subtract 705 – 268.

2. Subtract 903 – 475.

3. Subtract 604 – 278.

4. Subtract 800 – 357.

5. Subtract 1,002 – 478.

6. Subtract 1,305 – 687.

7. Subtract 2,000 – 955.

8. Subtract 5,010 – 2,786.

9. Subtract 7,002 – 3,468.

10. Subtract 4,500 – 1,875.

11. Subtract 3,601 – 1,938.

12. Subtract 6,020 – 2,751.

13. Subtract 8,004 – 5,678.

14. Subtract 1,000 – 499.

15. Subtract 9,100 – 4,762.

16. Check 907 – 358 by adding your difference to 358.

17. Estimate 742 – 286 to nearest hundred then compute exact.

18. A library had 804 books; 287 were borrowed. How many remain?

19. There were 1,200 seats and 738 were occupied. How many empty?

20. Find and explain the error in the claim 500 – 236 = 364.

Spiral Review: 4 Questions

21. Compute 278 + 459.

22. Round 453 to nearest hundred.

23. Find 7 × 6.

24. Compare 6,409 and 6,490.

Advanced Scholar Challenge

A customer has $1,000 to spend. Three items cost $245, $318 and $127. Find the amount left, showing both addition and subtraction checks. Teacher check: Record independent answers, reasoning and any required reteaching. A quick check is not a claim of full annual grade mastery.

Challenge response:

Next: Read the full chapter. Return to the Grade 3 learning path. Parents can access the separate answer key from the chapter page.