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: ____________
16 + 2 + 4 = 2 + ?
Answer: ______________
27 + 9 = 9 + ?
Answer: ______________
31 + 9 + 7 = ?
Answer: ______________
45 + 9 + 5 = 9 + ?
Answer: ______________
54 + 5 = 5 + ?
Answer: ______________
69 + 4 + 6 = ?
Answer: ______________
77 + 3 + 9 = ?
Answer: ______________
89 + 6 = 6 + ?
Answer: ______________
99 + 8 = 8 + ?
Answer: ______________
107 + 6 = 6 + ?
Answer: ______________
117 + 3 + 4 = ?
Answer: ______________
125 + 6 = 6 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 10
- 2. 7
- 3. 17
- 4. 10
- 5. 4
- 6. 19
- 7. 19
- 8. 9
- 9. 9
- 10. 7
- 11. 14
- 12. 5
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties