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 + 7 + 4 = 7 + ?
Answer: ______________
25 + 6 + 5 = 6 + ?
Answer: ______________
36 + 9 + 4 = 9 + ?
Answer: ______________
49 + 3 + 1 = 3 + ?
Answer: ______________
54 + 7 + 6 = 7 + ?
Answer: ______________
69 + 9 + 1 = ?
Answer: ______________
78 + 4 + 2 = 4 + ?
Answer: ______________
81 + 9 + 9 = ?
Answer: ______________
98 + 7 = 7 + ?
Answer: ______________
109 + 7 + 3 = ?
Answer: ______________
114 + 6 + 4 = ?
Answer: ______________
126 + 1 + 9 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 10
- 2. 10
- 3. 10
- 4. 10
- 5. 10
- 6. 19
- 7. 10
- 8. 19
- 9. 8
- 10. 19
- 11. 14
- 12. 16
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties