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: ____________
18 + 8 + 2 = 10 + ?
Answer: ______________
29 + 5 + 1 = 14 + ?
Answer: ______________
35 + 5 + 8 = ?
Answer: ______________
46 + 2 = 2 + ?
Answer: ______________
58 + 8 = 8 + ?
Answer: ______________
62 + 9 = 9 + ?
Answer: ______________
77 + 8 + 3 = ?
Answer: ______________
82 + 8 = 8 + ?
Answer: ______________
97 + 6 + 3 = ?
Answer: ______________
102 + 5 = 5 + ?
Answer: ______________
115 + 5 + 4 = ?
Answer: ______________
128 + 6 = 6 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 8
- 2. 1
- 3. 18
- 4. 6
- 5. 8
- 6. 2
- 7. 18
- 8. 2
- 9. 16
- 10. 2
- 11. 14
- 12. 8
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties