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 + 6 + 3 = ?
Answer: ______________
26 + 8 = 8 + ?
Answer: ______________
34 + 2 = 2 + ?
Answer: ______________
42 + 8 + 8 = ?
Answer: ______________
56 + 4 + 8 = ?
Answer: ______________
65 + 5 = 5 + ?
Answer: ______________
73 + 3 + 7 = ?
Answer: ______________
84 + 4 + 6 = ?
Answer: ______________
95 + 7 + 5 = ?
Answer: ______________
101 + 1 + 9 = ?
Answer: ______________
113 + 1 + 7 = ?
Answer: ______________
121 + 5 + 9 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 16
- 2. 6
- 3. 4
- 4. 18
- 5. 18
- 6. 5
- 7. 13
- 8. 14
- 9. 17
- 10. 11
- 11. 11
- 12. 15
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties