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 + 5 + 3 = ?
Answer: ______________
24 + 7 + 6 = 10 + ?
Answer: ______________
37 + 6 + 4 = ?
Answer: ______________
47 + 3 + 9 = ?
Answer: ______________
51 + 5 + 5 = ?
Answer: ______________
67 + 6 + 3 = 13 + ?
Answer: ______________
72 + 8 = 8 + ?
Answer: ______________
82 + 6 = 6 + ?
Answer: ______________
94 + 8 = 8 + ?
Answer: ______________
102 + 8 + 8 = ?
Answer: ______________
115 + 7 + 5 = 12 + ?
Answer: ______________
128 + 9 = 9 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 15
- 2. 7
- 3. 17
- 4. 19
- 5. 11
- 6. 3
- 7. 2
- 8. 2
- 9. 4
- 10. 18
- 11. 5
- 12. 8
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties