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 + 7 + 8 = ?
Answer: ______________
29 + 6 = 6 + ?
Answer: ______________
39 + 7 + 1 = 16 + ?
Answer: ______________
41 + 1 + 9 = ?
Answer: ______________
52 + 2 + 8 = ?
Answer: ______________
64 + 9 = 9 + ?
Answer: ______________
77 + 7 = 7 + ?
Answer: ______________
83 + 7 + 6 = ?
Answer: ______________
94 + 4 + 6 = 8 + ?
Answer: ______________
103 + 4 + 7 = 7 + ?
Answer: ______________
119 + 8 = 8 + ?
Answer: ______________
122 + 8 + 2 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 17
- 2. 9
- 3. 1
- 4. 11
- 5. 12
- 6. 4
- 7. 7
- 8. 16
- 9. 6
- 10. 7
- 11. 9
- 12. 12
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties