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: ____________
19 + 2 = 2 + ?
Answer: ______________
23 + 8 = 8 + ?
Answer: ______________
39 + 7 = 7 + ?
Answer: ______________
46 + 3 = 3 + ?
Answer: ______________
58 + 7 = 7 + ?
Answer: ______________
62 + 5 = 5 + ?
Answer: ______________
78 + 9 = 9 + ?
Answer: ______________
85 + 9 = 9 + ?
Answer: ______________
99 + 6 = 6 + ?
Answer: ______________
107 + 9 = 9 + ?
Answer: ______________
112 + 9 = 9 + ?
Answer: ______________
126 + 2 = 2 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 9
- 2. 3
- 3. 9
- 4. 6
- 5. 8
- 6. 2
- 7. 8
- 8. 5
- 9. 9
- 10. 7
- 11. 2
- 12. 6
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties