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: ____________
19 + 8 + 1 = 10 + ?
Answer: ______________
27 + 3 + 7 = ?
Answer: ______________
39 + 9 + 1 = 10 + ?
Answer: ______________
48 + 4 + 2 = 12 + ?
Answer: ______________
56 + 3 + 4 = 10 + ?
Answer: ______________
68 + 3 = 3 + ?
Answer: ______________
76 + 7 + 4 = 10 + ?
Answer: ______________
82 + 8 + 4 = ?
Answer: ______________
91 + 2 + 9 = ?
Answer: ______________
108 + 7 + 2 = ?
Answer: ______________
112 + 2 = 2 + ?
Answer: ______________
124 + 9 + 6 = 10 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 8
- 2. 17
- 3. 9
- 4. 2
- 5. 3
- 6. 8
- 7. 7
- 8. 14
- 9. 12
- 10. 17
- 11. 2
- 12. 9
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties