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 + 8 + 5 = 13 + ?
Answer: ______________
29 + 3 = 3 + ?
Answer: ______________
37 + 6 + 4 = ?
Answer: ______________
43 + 7 + 2 = ?
Answer: ______________
55 + 2 = 2 + ?
Answer: ______________
67 + 8 + 3 = 15 + ?
Answer: ______________
78 + 8 + 2 = 10 + ?
Answer: ______________
85 + 5 + 5 = 10 + ?
Answer: ______________
97 + 3 + 3 = 10 + ?
Answer: ______________
102 + 2 + 8 = 10 + ?
Answer: ______________
116 + 5 + 5 = ?
Answer: ______________
128 + 8 = 8 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 5
- 2. 9
- 3. 17
- 4. 12
- 5. 5
- 6. 3
- 7. 8
- 8. 5
- 9. 3
- 10. 2
- 11. 16
- 12. 8
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties