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: ____________
18 + 8 + 2 = 8 + ?
Answer: ______________
23 + 8 + 7 = ?
Answer: ______________
39 + 8 + 1 = 8 + ?
Answer: ______________
46 + 5 + 4 = 5 + ?
Answer: ______________
57 + 5 + 3 = ?
Answer: ______________
62 + 3 + 8 = 3 + ?
Answer: ______________
76 + 3 = 3 + ?
Answer: ______________
83 + 6 + 7 = ?
Answer: ______________
94 + 3 + 6 = 3 + ?
Answer: ______________
107 + 3 + 7 = ?
Answer: ______________
119 + 6 + 1 = 6 + ?
Answer: ______________
128 + 5 = 5 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 10
- 2. 18
- 3. 10
- 4. 10
- 5. 15
- 6. 10
- 7. 6
- 8. 16
- 9. 10
- 10. 17
- 11. 10
- 12. 8
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties