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: ____________
16 + 9 = 9 + ?
Answer: ______________
27 + 8 = 8 + ?
Answer: ______________
34 + 7 + 6 = 7 + ?
Answer: ______________
46 + 2 = 2 + ?
Answer: ______________
54 + 6 + 6 = 6 + ?
Answer: ______________
65 + 5 + 3 = ?
Answer: ______________
76 + 5 = 5 + ?
Answer: ______________
81 + 5 + 5 = ?
Answer: ______________
99 + 2 = 2 + ?
Answer: ______________
104 + 5 = 5 + ?
Answer: ______________
118 + 4 = 4 + ?
Answer: ______________
123 + 7 + 7 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 6
- 2. 7
- 3. 10
- 4. 6
- 5. 10
- 6. 13
- 7. 6
- 8. 11
- 9. 9
- 10. 4
- 11. 8
- 12. 17
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties