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 = ?
Answer: ______________
25 + 5 + 5 = ?
Answer: ______________
37 + 9 + 3 = ?
Answer: ______________
45 + 5 = 5 + ?
Answer: ______________
56 + 2 = 2 + ?
Answer: ______________
62 + 7 = 7 + ?
Answer: ______________
79 + 3 = 3 + ?
Answer: ______________
82 + 7 + 3 = ?
Answer: ______________
95 + 4 = 4 + ?
Answer: ______________
103 + 1 + 9 = ?
Answer: ______________
113 + 2 = 2 + ?
Answer: ______________
126 + 9 + 1 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 13
- 2. 15
- 3. 19
- 4. 5
- 5. 6
- 6. 2
- 7. 9
- 8. 12
- 9. 5
- 10. 13
- 11. 3
- 12. 16
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties