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: ____________
19 + 8 + 1 = ?
Answer: ______________
29 + 1 + 5 = ?
Answer: ______________
32 + 8 = 8 + ?
Answer: ______________
46 + 2 = 2 + ?
Answer: ______________
57 + 3 + 4 = ?
Answer: ______________
61 + 6 + 4 = ?
Answer: ______________
72 + 5 = 5 + ?
Answer: ______________
84 + 6 = 6 + ?
Answer: ______________
95 + 4 = 4 + ?
Answer: ______________
101 + 3 + 7 = ?
Answer: ______________
117 + 9 = 9 + ?
Answer: ______________
128 + 2 + 6 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 18
- 2. 15
- 3. 2
- 4. 6
- 5. 14
- 6. 11
- 7. 2
- 8. 4
- 9. 5
- 10. 11
- 11. 7
- 12. 16
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties