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 + 5 = ?
Answer: ______________
26 + 4 + 6 = ?
Answer: ______________
36 + 7 + 3 = ?
Answer: ______________
49 + 1 + 8 = ?
Answer: ______________
51 + 6 + 4 = ?
Answer: ______________
66 + 1 + 4 = ?
Answer: ______________
73 + 8 = 8 + ?
Answer: ______________
85 + 8 = 8 + ?
Answer: ______________
97 + 4 = 4 + ?
Answer: ______________
105 + 3 = 3 + ?
Answer: ______________
118 + 6 = 6 + ?
Answer: ______________
128 + 8 = 8 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 15
- 2. 16
- 3. 16
- 4. 18
- 5. 11
- 6. 11
- 7. 3
- 8. 5
- 9. 7
- 10. 5
- 11. 8
- 12. 8
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties