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: ____________
13 + 3 = 3 + ?
Answer: ______________
23 + 7 + 7 = 7 + ?
Answer: ______________
33 + 9 + 7 = ?
Answer: ______________
45 + 7 = 7 + ?
Answer: ______________
53 + 6 = 6 + ?
Answer: ______________
66 + 5 = 5 + ?
Answer: ______________
74 + 2 = 2 + ?
Answer: ______________
87 + 8 + 3 = 8 + ?
Answer: ______________
99 + 4 + 1 = 4 + ?
Answer: ______________
107 + 7 = 7 + ?
Answer: ______________
116 + 2 + 4 = 2 + ?
Answer: ______________
126 + 9 + 4 = 9 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 3
- 2. 10
- 3. 19
- 4. 5
- 5. 3
- 6. 6
- 7. 4
- 8. 10
- 9. 10
- 10. 7
- 11. 10
- 12. 10
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties