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: ____________
14 + 6 + 5 = ?
Answer: ______________
23 + 7 + 6 = ?
Answer: ______________
39 + 6 = 6 + ?
Answer: ______________
43 + 7 + 2 = ?
Answer: ______________
58 + 2 + 2 = ?
Answer: ______________
68 + 4 = 4 + ?
Answer: ______________
73 + 3 + 7 = 3 + ?
Answer: ______________
83 + 6 + 7 = 6 + ?
Answer: ______________
93 + 3 + 7 = ?
Answer: ______________
104 + 6 = 6 + ?
Answer: ______________
115 + 8 = 8 + ?
Answer: ______________
127 + 3 = 3 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 15
- 2. 16
- 3. 9
- 4. 12
- 5. 12
- 6. 8
- 7. 10
- 8. 10
- 9. 13
- 10. 4
- 11. 5
- 12. 7
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties