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: ____________
19 + 6 = 6 + ?
Answer: ______________
28 + 7 + 3 = ?
Answer: ______________
39 + 8 + 2 = ?
Answer: ______________
47 + 8 = 8 + ?
Answer: ______________
53 + 6 = 6 + ?
Answer: ______________
69 + 4 + 6 = ?
Answer: ______________
78 + 2 + 3 = ?
Answer: ______________
85 + 6 = 6 + ?
Answer: ______________
95 + 9 + 1 = ?
Answer: ______________
107 + 1 + 9 = ?
Answer: ______________
117 + 9 + 1 = ?
Answer: ______________
125 + 5 + 3 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 9
- 2. 18
- 3. 19
- 4. 7
- 5. 3
- 6. 19
- 7. 13
- 8. 5
- 9. 15
- 10. 17
- 11. 17
- 12. 13
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties