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 + 9 + 1 = ?
Answer: ______________
23 + 7 + 7 = ?
Answer: ______________
31 + 9 + 5 = ?
Answer: ______________
44 + 8 = 8 + ?
Answer: ______________
55 + 9 = 9 + ?
Answer: ______________
68 + 3 = 3 + ?
Answer: ______________
77 + 3 + 8 = ?
Answer: ______________
82 + 4 + 8 = ?
Answer: ______________
97 + 5 = 5 + ?
Answer: ______________
103 + 2 + 8 = ?
Answer: ______________
115 + 5 + 2 = ?
Answer: ______________
122 + 8 = 8 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 17
- 2. 17
- 3. 15
- 4. 4
- 5. 5
- 6. 8
- 7. 18
- 8. 14
- 9. 7
- 10. 13
- 11. 12
- 12. 2
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties