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 + 5 + 8 = ?
Answer: ______________
25 + 4 + 6 = ?
Answer: ______________
33 + 7 + 4 = ?
Answer: ______________
45 + 4 + 5 = 4 + ?
Answer: ______________
53 + 8 = 8 + ?
Answer: ______________
66 + 2 + 4 = 2 + ?
Answer: ______________
79 + 1 + 9 = ?
Answer: ______________
82 + 3 = 3 + ?
Answer: ______________
96 + 7 + 3 = ?
Answer: ______________
105 + 5 + 9 = ?
Answer: ______________
119 + 9 + 1 = 9 + ?
Answer: ______________
122 + 8 + 8 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 15
- 2. 15
- 3. 14
- 4. 10
- 5. 3
- 6. 10
- 7. 19
- 8. 2
- 9. 16
- 10. 19
- 11. 10
- 12. 18
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties