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 + 6 + 5 = ?
Answer: ______________
22 + 7 + 8 = 9 + ?
Answer: ______________
36 + 3 = 3 + ?
Answer: ______________
45 + 6 + 5 = 10 + ?
Answer: ______________
52 + 8 = 8 + ?
Answer: ______________
61 + 5 + 5 = ?
Answer: ______________
78 + 8 + 2 = 10 + ?
Answer: ______________
85 + 9 + 5 = 14 + ?
Answer: ______________
99 + 4 = 4 + ?
Answer: ______________
104 + 9 + 1 = ?
Answer: ______________
117 + 3 + 7 = ?
Answer: ______________
128 + 2 + 2 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 16
- 2. 8
- 3. 6
- 4. 6
- 5. 2
- 6. 11
- 7. 8
- 8. 5
- 9. 9
- 10. 14
- 11. 17
- 12. 12
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties