3 Digit Addition using Base Ten Blocks Worksheets by Gretchen Tringali - Free Printable

Educational worksheet: 3 Digit Addition using Base Ten Blocks Worksheets by Gretchen Tringali. Download and print for classroom or home learning activities.

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- For 213 + 34:
- Add the hundreds: 2 flats (200) + 0 flats = 200.
- Add the tens: 1 long (10) + 3 longs (30) = 4 longs (40).
- Add the ones: 3 cubes (3) + 4 cubes (4) = 7 cubes (7).
- Total: 200 + 40 + 7 = 247.
- Correct answer: b.247.

- For 156 + 43:
- Add the hundreds: 1 flat (100) + 0 flats = 100.
- Add the tens: 5 longs (50) + 4 longs (40) = 9 longs (90).
- Add the ones: 6 cubes (6) + 3 cubes (3) = 9 cubes (9).
- Total: 100 + 90 + 9 = 199.
- Correct answer: a.199.

Parent Tip: Review the logic above to help your child master the concept of base ten blocks worksheets.

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