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: ______________
23 + 9 + 7 = 9 + ?
Answer: ______________
39 + 1 + 1 = ?
Answer: ______________
45 + 8 = 8 + ?
Answer: ______________
57 + 4 + 3 = 4 + ?
Answer: ______________
62 + 8 + 1 = ?
Answer: ______________
79 + 1 + 7 = ?
Answer: ______________
87 + 5 + 5 = ?
Answer: ______________
92 + 8 + 8 = ?
Answer: ______________
103 + 6 = 6 + ?
Answer: ______________
116 + 5 + 5 = ?
Answer: ______________
121 + 1 + 9 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 10
- 2. 10
- 3. 11
- 4. 5
- 5. 10
- 6. 11
- 7. 17
- 8. 17
- 9. 18
- 10. 3
- 11. 16
- 12. 11
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties