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: ____________
17 + 8 + 3 = 15 + ?
Answer: ______________
29 + 8 + 2 = ?
Answer: ______________
33 + 4 + 7 = 7 + ?
Answer: ______________
42 + 5 + 5 = ?
Answer: ______________
58 + 9 = 9 + ?
Answer: ______________
67 + 7 + 3 = 10 + ?
Answer: ______________
78 + 2 + 1 = ?
Answer: ______________
85 + 4 + 5 = 10 + ?
Answer: ______________
99 + 9 + 1 = 10 + ?
Answer: ______________
104 + 6 = 6 + ?
Answer: ______________
117 + 8 = 8 + ?
Answer: ______________
124 + 7 = 7 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 3
- 2. 19
- 3. 7
- 4. 12
- 5. 8
- 6. 7
- 7. 11
- 8. 4
- 9. 9
- 10. 4
- 11. 7
- 12. 4
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties