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: ____________
12 + 8 + 8 = 10 + ?
Answer: ______________
27 + 8 + 3 = ?
Answer: ______________
33 + 9 = 9 + ?
Answer: ______________
43 + 9 + 7 = ?
Answer: ______________
54 + 3 + 7 = ?
Answer: ______________
69 + 9 + 1 = 10 + ?
Answer: ______________
72 + 7 + 3 = ?
Answer: ______________
89 + 8 + 1 = 10 + ?
Answer: ______________
99 + 4 = 4 + ?
Answer: ______________
108 + 7 = 7 + ?
Answer: ______________
112 + 7 + 8 = ?
Answer: ______________
128 + 9 + 2 = 10 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 8
- 2. 18
- 3. 3
- 4. 19
- 5. 14
- 6. 9
- 7. 12
- 8. 8
- 9. 9
- 10. 8
- 11. 17
- 12. 9
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties