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: ____________
12 + 9 + 8 = 9 + ?
Answer: ______________
25 + 5 = 5 + ?
Answer: ______________
36 + 7 + 4 = ?
Answer: ______________
45 + 8 + 2 = ?
Answer: ______________
53 + 8 + 2 = ?
Answer: ______________
66 + 3 + 4 = 3 + ?
Answer: ______________
71 + 9 + 7 = ?
Answer: ______________
82 + 4 = 4 + ?
Answer: ______________
97 + 2 = 2 + ?
Answer: ______________
109 + 4 + 1 = 4 + ?
Answer: ______________
119 + 3 = 3 + ?
Answer: ______________
123 + 9 + 1 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 10
- 2. 5
- 3. 17
- 4. 15
- 5. 13
- 6. 10
- 7. 17
- 8. 2
- 9. 7
- 10. 10
- 11. 9
- 12. 13
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties