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: ____________
12 + 2 = 2 + ?
Answer: ______________
26 + 2 + 4 = ?
Answer: ______________
38 + 7 + 2 = 7 + ?
Answer: ______________
41 + 9 + 9 = ?
Answer: ______________
56 + 6 = 6 + ?
Answer: ______________
66 + 9 + 4 = 9 + ?
Answer: ______________
79 + 9 + 1 = ?
Answer: ______________
88 + 2 + 2 = 2 + ?
Answer: ______________
94 + 5 + 5 = ?
Answer: ______________
105 + 8 + 5 = 8 + ?
Answer: ______________
113 + 7 = 7 + ?
Answer: ______________
125 + 5 + 3 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 2
- 2. 12
- 3. 10
- 4. 19
- 5. 6
- 6. 10
- 7. 19
- 8. 10
- 9. 14
- 10. 10
- 11. 3
- 12. 13
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties