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 + 5 + 1 = ?
Answer: ______________
26 + 9 + 4 = 10 + ?
Answer: ______________
37 + 2 = 2 + ?
Answer: ______________
48 + 7 + 2 = 10 + ?
Answer: ______________
58 + 4 + 2 = 12 + ?
Answer: ______________
66 + 4 + 4 = 10 + ?
Answer: ______________
72 + 3 + 8 = 5 + ?
Answer: ______________
85 + 7 + 5 = 10 + ?
Answer: ______________
95 + 6 + 5 = 10 + ?
Answer: ______________
105 + 9 = 9 + ?
Answer: ______________
113 + 7 + 3 = ?
Answer: ______________
123 + 2 = 2 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 11
- 2. 9
- 3. 7
- 4. 7
- 5. 2
- 6. 4
- 7. 8
- 8. 7
- 9. 6
- 10. 5
- 11. 13
- 12. 3
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties