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: ____________
15 + 4 = 4 + ?
Answer: ______________
22 + 9 + 8 = ?
Answer: ______________
34 + 7 + 3 = ?
Answer: ______________
49 + 8 = 8 + ?
Answer: ______________
53 + 6 + 7 = ?
Answer: ______________
69 + 5 = 5 + ?
Answer: ______________
72 + 8 + 1 = ?
Answer: ______________
81 + 9 + 9 = ?
Answer: ______________
99 + 6 + 4 = ?
Answer: ______________
102 + 6 = 6 + ?
Answer: ______________
116 + 4 + 5 = ?
Answer: ______________
127 + 5 + 5 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 5
- 2. 19
- 3. 14
- 4. 9
- 5. 16
- 6. 9
- 7. 11
- 8. 19
- 9. 19
- 10. 2
- 11. 15
- 12. 17
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties