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: ______________
28 + 2 + 5 = ?
Answer: ______________
33 + 6 = 6 + ?
Answer: ______________
46 + 4 + 1 = ?
Answer: ______________
56 + 7 + 3 = ?
Answer: ______________
68 + 3 + 2 = 3 + ?
Answer: ______________
72 + 6 + 8 = 6 + ?
Answer: ______________
89 + 2 = 2 + ?
Answer: ______________
95 + 8 + 5 = 8 + ?
Answer: ______________
102 + 4 + 6 = ?
Answer: ______________
116 + 4 + 4 = 4 + ?
Answer: ______________
121 + 5 + 5 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 10
- 2. 15
- 3. 3
- 4. 11
- 5. 16
- 6. 10
- 7. 10
- 8. 9
- 9. 10
- 10. 12
- 11. 10
- 12. 11
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties