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 + 3 = 3 + ?
Answer: ______________
28 + 8 = 8 + ?
Answer: ______________
33 + 6 + 4 = ?
Answer: ______________
49 + 7 + 1 = 7 + ?
Answer: ______________
55 + 3 + 5 = 3 + ?
Answer: ______________
64 + 5 + 6 = 5 + ?
Answer: ______________
71 + 9 + 1 = ?
Answer: ______________
87 + 8 = 8 + ?
Answer: ______________
99 + 4 + 1 = 4 + ?
Answer: ______________
108 + 4 = 4 + ?
Answer: ______________
117 + 3 + 7 = ?
Answer: ______________
125 + 6 = 6 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 6
- 2. 8
- 3. 13
- 4. 10
- 5. 10
- 6. 10
- 7. 11
- 8. 7
- 9. 10
- 10. 8
- 11. 17
- 12. 5
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties