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: ____________
14 + 7 + 6 = ?
Answer: ______________
22 + 8 = 8 + ?
Answer: ______________
39 + 2 + 1 = ?
Answer: ______________
46 + 5 = 5 + ?
Answer: ______________
53 + 7 + 4 = ?
Answer: ______________
66 + 7 = 7 + ?
Answer: ______________
79 + 7 = 7 + ?
Answer: ______________
89 + 9 = 9 + ?
Answer: ______________
99 + 5 = 5 + ?
Answer: ______________
103 + 6 = 6 + ?
Answer: ______________
113 + 5 = 5 + ?
Answer: ______________
121 + 3 + 7 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 17
- 2. 2
- 3. 12
- 4. 6
- 5. 14
- 6. 6
- 7. 9
- 8. 9
- 9. 9
- 10. 3
- 11. 3
- 12. 11
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties