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 + 3 + 7 = ?
Answer: ______________
24 + 7 + 6 = 10 + ?
Answer: ______________
33 + 8 + 7 = 10 + ?
Answer: ______________
48 + 2 = 2 + ?
Answer: ______________
52 + 8 + 7 = ?
Answer: ______________
68 + 3 + 2 = 11 + ?
Answer: ______________
73 + 6 = 6 + ?
Answer: ______________
82 + 8 + 8 = 10 + ?
Answer: ______________
95 + 9 = 9 + ?
Answer: ______________
107 + 4 + 3 = 10 + ?
Answer: ______________
116 + 5 + 4 = 11 + ?
Answer: ______________
124 + 8 + 2 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 13
- 2. 7
- 3. 8
- 4. 8
- 5. 17
- 6. 2
- 7. 3
- 8. 8
- 9. 5
- 10. 4
- 11. 4
- 12. 14
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties