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: ____________
14 + 3 = 3 + ?
Answer: ______________
29 + 2 = 2 + ?
Answer: ______________
39 + 1 + 1 = ?
Answer: ______________
46 + 8 = 8 + ?
Answer: ______________
57 + 6 + 3 = 6 + ?
Answer: ______________
67 + 2 + 3 = 2 + ?
Answer: ______________
79 + 9 = 9 + ?
Answer: ______________
84 + 8 + 6 = 8 + ?
Answer: ______________
93 + 6 = 6 + ?
Answer: ______________
107 + 2 = 2 + ?
Answer: ______________
117 + 3 + 2 = ?
Answer: ______________
122 + 9 + 8 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 4
- 2. 9
- 3. 11
- 4. 6
- 5. 10
- 6. 10
- 7. 9
- 8. 10
- 9. 3
- 10. 7
- 11. 12
- 12. 19
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties