πagarwalmath · 1st grade · Common Core 1.OA.B.3
🔄 Turn-around and make-ten
Use properties (3 + 8 = 8 + 3; make a ten first)
Name: ______________________Date: ____________
17 + 3 + 4 = ?
Answer: ______________
23 + 8 = 8 + ?
Answer: ______________
39 + 4 = 4 + ?
Answer: ______________
49 + 1 + 5 = ?
Answer: ______________
52 + 5 + 8 = ?
Answer: ______________
67 + 1 + 9 = ?
Answer: ______________
74 + 6 + 6 = ?
Answer: ______________
88 + 5 = 5 + ?
Answer: ______________
95 + 7 = 7 + ?
Answer: ______________
105 + 6 + 5 = ?
Answer: ______________
118 + 2 + 8 = ?
Answer: ______________
126 + 5 = 5 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 14
- 2. 3
- 3. 9
- 4. 15
- 5. 15
- 6. 17
- 7. 16
- 8. 8
- 9. 5
- 10. 16
- 11. 18
- 12. 6
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties