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: ____________
13 + 6 + 7 = 9 + ?
Answer: ______________
27 + 8 = 8 + ?
Answer: ______________
37 + 3 + 3 = 10 + ?
Answer: ______________
48 + 1 + 2 = ?
Answer: ______________
57 + 7 + 3 = ?
Answer: ______________
69 + 5 + 1 = 10 + ?
Answer: ______________
78 + 3 + 2 = 11 + ?
Answer: ______________
88 + 2 + 2 = 10 + ?
Answer: ______________
99 + 2 + 8 = ?
Answer: ______________
109 + 8 + 1 = 10 + ?
Answer: ______________
112 + 9 + 8 = 11 + ?
Answer: ______________
128 + 4 + 2 = 10 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 7
- 2. 7
- 3. 3
- 4. 11
- 5. 17
- 6. 5
- 7. 2
- 8. 2
- 9. 19
- 10. 8
- 11. 8
- 12. 4
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties