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: ____________
19 + 5 + 1 = 5 + ?
Answer: ______________
24 + 7 = 7 + ?
Answer: ______________
39 + 4 + 6 = ?
Answer: ______________
41 + 4 + 9 = ?
Answer: ______________
58 + 7 + 2 = ?
Answer: ______________
62 + 7 = 7 + ?
Answer: ______________
74 + 2 + 6 = 2 + ?
Answer: ______________
82 + 9 = 9 + ?
Answer: ______________
96 + 1 + 9 = ?
Answer: ______________
109 + 2 = 2 + ?
Answer: ______________
113 + 7 + 2 = ?
Answer: ______________
127 + 9 = 9 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 10
- 2. 4
- 3. 19
- 4. 14
- 5. 17
- 6. 2
- 7. 10
- 8. 2
- 9. 16
- 10. 9
- 11. 12
- 12. 7
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties