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 + 7 = 7 + ?
Answer: ______________
26 + 4 + 4 = 4 + ?
Answer: ______________
31 + 3 + 7 = ?
Answer: ______________
42 + 7 + 8 = 7 + ?
Answer: ______________
52 + 9 + 8 = 9 + ?
Answer: ______________
66 + 6 + 4 = ?
Answer: ______________
73 + 3 + 7 = 3 + ?
Answer: ______________
82 + 6 + 8 = 6 + ?
Answer: ______________
99 + 4 + 1 = 4 + ?
Answer: ______________
105 + 5 + 2 = ?
Answer: ______________
112 + 6 + 4 = ?
Answer: ______________
122 + 6 = 6 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 7
- 2. 10
- 3. 11
- 4. 10
- 5. 10
- 6. 16
- 7. 10
- 8. 10
- 9. 10
- 10. 12
- 11. 12
- 12. 2
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties