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: ____________
13 + 9 = 9 + ?
Answer: ______________
25 + 4 = 4 + ?
Answer: ______________
36 + 7 + 4 = 7 + ?
Answer: ______________
47 + 8 = 8 + ?
Answer: ______________
58 + 9 + 2 = 9 + ?
Answer: ______________
69 + 2 + 1 = 2 + ?
Answer: ______________
73 + 7 + 2 = ?
Answer: ______________
89 + 8 + 1 = 8 + ?
Answer: ______________
92 + 9 = 9 + ?
Answer: ______________
109 + 6 + 4 = ?
Answer: ______________
117 + 7 + 3 = 7 + ?
Answer: ______________
128 + 7 + 2 = 7 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 3
- 2. 5
- 3. 10
- 4. 7
- 5. 10
- 6. 10
- 7. 12
- 8. 10
- 9. 2
- 10. 19
- 11. 10
- 12. 10
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties