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 + 3 + 3 = 10 + ?
Answer: ______________
23 + 2 = 2 + ?
Answer: ______________
33 + 7 + 2 = ?
Answer: ______________
46 + 4 + 4 = 10 + ?
Answer: ______________
56 + 4 + 7 = ?
Answer: ______________
65 + 7 + 5 = 10 + ?
Answer: ______________
73 + 6 + 7 = 10 + ?
Answer: ______________
82 + 6 + 8 = 10 + ?
Answer: ______________
99 + 6 = 6 + ?
Answer: ______________
103 + 7 + 5 = ?
Answer: ______________
117 + 3 + 4 = ?
Answer: ______________
122 + 9 + 8 = 10 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 3
- 2. 3
- 3. 12
- 4. 4
- 5. 17
- 6. 7
- 7. 6
- 8. 6
- 9. 9
- 10. 15
- 11. 14
- 12. 9
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties