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: ____________
16 + 4 = 4 + ?
Answer: ______________
25 + 5 + 5 = ?
Answer: ______________
39 + 3 + 1 = 10 + ?
Answer: ______________
45 + 6 = 6 + ?
Answer: ______________
57 + 7 + 3 = ?
Answer: ______________
68 + 3 + 2 = 11 + ?
Answer: ______________
78 + 2 + 6 = ?
Answer: ______________
83 + 8 = 8 + ?
Answer: ______________
92 + 6 + 8 = ?
Answer: ______________
109 + 6 + 1 = 10 + ?
Answer: ______________
116 + 6 = 6 + ?
Answer: ______________
128 + 2 + 2 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 6
- 2. 15
- 3. 3
- 4. 5
- 5. 17
- 6. 2
- 7. 16
- 8. 3
- 9. 16
- 10. 6
- 11. 6
- 12. 12
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties