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: ____________
15 + 8 + 5 = ?
Answer: ______________
22 + 4 + 8 = 4 + ?
Answer: ______________
36 + 9 + 4 = 9 + ?
Answer: ______________
44 + 6 + 3 = ?
Answer: ______________
58 + 2 + 2 = ?
Answer: ______________
65 + 5 + 5 = 5 + ?
Answer: ______________
72 + 2 + 8 = 2 + ?
Answer: ______________
89 + 9 + 1 = 9 + ?
Answer: ______________
92 + 2 = 2 + ?
Answer: ______________
105 + 9 = 9 + ?
Answer: ______________
116 + 8 = 8 + ?
Answer: ______________
127 + 4 = 4 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 18
- 2. 10
- 3. 10
- 4. 13
- 5. 12
- 6. 10
- 7. 10
- 8. 10
- 9. 2
- 10. 5
- 11. 6
- 12. 7
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties