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: ____________
16 + 7 + 4 = 13 + ?
Answer: ______________
25 + 4 + 5 = 10 + ?
Answer: ______________
37 + 4 + 3 = 10 + ?
Answer: ______________
47 + 5 + 3 = 12 + ?
Answer: ______________
54 + 6 + 6 = 10 + ?
Answer: ______________
66 + 9 = 9 + ?
Answer: ______________
73 + 6 + 7 = 9 + ?
Answer: ______________
89 + 8 = 8 + ?
Answer: ______________
92 + 6 = 6 + ?
Answer: ______________
106 + 9 + 4 = 15 + ?
Answer: ______________
113 + 7 + 4 = ?
Answer: ______________
123 + 7 + 2 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 4
- 2. 4
- 3. 4
- 4. 3
- 5. 6
- 6. 6
- 7. 7
- 8. 9
- 9. 2
- 10. 4
- 11. 14
- 12. 12
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties