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: ____________
11 + 7 + 9 = ?
Answer: ______________
24 + 6 + 9 = ?
Answer: ______________
31 + 6 + 9 = ?
Answer: ______________
41 + 9 + 9 = ?
Answer: ______________
53 + 8 + 7 = 10 + ?
Answer: ______________
66 + 9 = 9 + ?
Answer: ______________
79 + 7 + 1 = ?
Answer: ______________
87 + 8 + 3 = 15 + ?
Answer: ______________
96 + 2 + 8 = ?
Answer: ______________
108 + 6 + 2 = 14 + ?
Answer: ______________
118 + 5 + 2 = 13 + ?
Answer: ______________
128 + 3 + 2 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 17
- 2. 19
- 3. 16
- 4. 19
- 5. 8
- 6. 6
- 7. 17
- 8. 3
- 9. 16
- 10. 2
- 11. 2
- 12. 13
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties