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 + 1 + 5 = ?
Answer: ______________
29 + 3 + 1 = 3 + ?
Answer: ______________
39 + 4 + 6 = ?
Answer: ______________
48 + 8 + 2 = 8 + ?
Answer: ______________
56 + 1 + 9 = ?
Answer: ______________
64 + 7 = 7 + ?
Answer: ______________
72 + 6 + 8 = 6 + ?
Answer: ______________
87 + 4 + 3 = 4 + ?
Answer: ______________
95 + 6 = 6 + ?
Answer: ______________
109 + 9 + 1 = 9 + ?
Answer: ______________
112 + 9 + 8 = 9 + ?
Answer: ______________
126 + 4 + 9 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 11
- 2. 10
- 3. 19
- 4. 10
- 5. 16
- 6. 4
- 7. 10
- 8. 10
- 9. 5
- 10. 10
- 11. 10
- 12. 19
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties