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 + 6 + 4 = ?
Answer: ______________
28 + 4 = 4 + ?
Answer: ______________
33 + 7 + 8 = ?
Answer: ______________
46 + 9 + 4 = ?
Answer: ______________
58 + 2 + 3 = ?
Answer: ______________
67 + 9 = 9 + ?
Answer: ______________
76 + 4 + 4 = ?
Answer: ______________
85 + 4 = 4 + ?
Answer: ______________
98 + 2 + 4 = ?
Answer: ______________
102 + 9 = 9 + ?
Answer: ______________
111 + 8 + 9 = ?
Answer: ______________
128 + 8 + 2 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 15
- 2. 8
- 3. 18
- 4. 19
- 5. 13
- 6. 7
- 7. 14
- 8. 5
- 9. 14
- 10. 2
- 11. 18
- 12. 18
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties