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: ____________
17 + 4 = 4 + ?
Answer: ______________
24 + 1 + 9 = ?
Answer: ______________
37 + 8 + 3 = 8 + ?
Answer: ______________
48 + 9 = 9 + ?
Answer: ______________
54 + 6 = 6 + ?
Answer: ______________
68 + 7 + 3 = ?
Answer: ______________
71 + 6 + 9 = ?
Answer: ______________
89 + 7 + 3 = ?
Answer: ______________
96 + 8 + 4 = 8 + ?
Answer: ______________
102 + 9 + 8 = 9 + ?
Answer: ______________
118 + 2 + 5 = ?
Answer: ______________
128 + 9 + 1 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 7
- 2. 14
- 3. 10
- 4. 8
- 5. 4
- 6. 18
- 7. 16
- 8. 19
- 9. 10
- 10. 10
- 11. 15
- 12. 18
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties