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 + 9 + 3 = 9 + ?
Answer: ______________
26 + 8 = 8 + ?
Answer: ______________
31 + 9 + 4 = ?
Answer: ______________
45 + 6 + 5 = 6 + ?
Answer: ______________
51 + 7 + 9 = ?
Answer: ______________
66 + 9 = 9 + ?
Answer: ______________
71 + 1 + 9 = ?
Answer: ______________
83 + 7 = 7 + ?
Answer: ______________
95 + 4 = 4 + ?
Answer: ______________
101 + 5 + 9 = ?
Answer: ______________
112 + 4 + 8 = 4 + ?
Answer: ______________
125 + 4 + 5 = 4 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 10
- 2. 6
- 3. 14
- 4. 10
- 5. 17
- 6. 6
- 7. 11
- 8. 3
- 9. 5
- 10. 15
- 11. 10
- 12. 10
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties