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 + 8 = 8 + ?
Answer: ______________
29 + 8 + 2 = ?
Answer: ______________
38 + 7 = 7 + ?
Answer: ______________
42 + 7 = 7 + ?
Answer: ______________
51 + 9 + 2 = ?
Answer: ______________
63 + 9 + 7 = 10 + ?
Answer: ______________
74 + 2 + 8 = ?
Answer: ______________
87 + 2 + 3 = ?
Answer: ______________
97 + 6 = 6 + ?
Answer: ______________
102 + 2 + 8 = ?
Answer: ______________
114 + 3 = 3 + ?
Answer: ______________
125 + 6 + 5 = 11 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 7
- 2. 19
- 3. 8
- 4. 2
- 5. 12
- 6. 9
- 7. 14
- 8. 12
- 9. 7
- 10. 12
- 11. 4
- 12. 5
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties