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: ____________
13 + 7 = 7 + ?
Answer: ______________
25 + 8 + 2 = ?
Answer: ______________
33 + 7 + 7 = ?
Answer: ______________
48 + 6 + 2 = 14 + ?
Answer: ______________
53 + 9 + 1 = ?
Answer: ______________
62 + 4 + 8 = ?
Answer: ______________
72 + 5 + 8 = ?
Answer: ______________
82 + 7 + 3 = ?
Answer: ______________
98 + 9 = 9 + ?
Answer: ______________
108 + 3 = 3 + ?
Answer: ______________
112 + 2 = 2 + ?
Answer: ______________
122 + 5 + 8 = 7 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 3
- 2. 15
- 3. 17
- 4. 2
- 5. 13
- 6. 14
- 7. 15
- 8. 12
- 9. 8
- 10. 8
- 11. 2
- 12. 8
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties