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: ____________
12 + 9 = 9 + ?
Answer: ______________
22 + 3 + 8 = 10 + ?
Answer: ______________
31 + 1 + 9 = ?
Answer: ______________
47 + 4 + 3 = 11 + ?
Answer: ______________
57 + 9 + 3 = ?
Answer: ______________
63 + 9 + 7 = ?
Answer: ______________
72 + 7 = 7 + ?
Answer: ______________
89 + 9 = 9 + ?
Answer: ______________
96 + 8 + 4 = 14 + ?
Answer: ______________
102 + 2 + 8 = 10 + ?
Answer: ______________
117 + 2 = 2 + ?
Answer: ______________
124 + 3 + 7 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 2
- 2. 3
- 3. 11
- 4. 3
- 5. 19
- 6. 19
- 7. 2
- 8. 9
- 9. 4
- 10. 2
- 11. 7
- 12. 14
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties