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 + 8 = 10 + ?
Answer: ______________
22 + 6 = 6 + ?
Answer: ______________
36 + 7 + 4 = 13 + ?
Answer: ______________
45 + 9 + 5 = ?
Answer: ______________
55 + 9 + 5 = 10 + ?
Answer: ______________
64 + 3 + 6 = 10 + ?
Answer: ______________
78 + 8 = 8 + ?
Answer: ______________
88 + 2 + 2 = 10 + ?
Answer: ______________
95 + 5 + 5 = 10 + ?
Answer: ______________
105 + 6 + 5 = 11 + ?
Answer: ______________
115 + 2 + 5 = ?
Answer: ______________
127 + 4 + 3 = 11 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 2
- 2. 2
- 3. 4
- 4. 19
- 5. 9
- 6. 3
- 7. 8
- 8. 2
- 9. 5
- 10. 5
- 11. 12
- 12. 3
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties