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: ____________
16 + 8 + 4 = 8 + ?
Answer: ______________
24 + 9 = 9 + ?
Answer: ______________
31 + 9 + 8 = ?
Answer: ______________
43 + 7 + 7 = 7 + ?
Answer: ______________
53 + 9 + 7 = 9 + ?
Answer: ______________
63 + 3 + 7 = ?
Answer: ______________
75 + 3 + 5 = 3 + ?
Answer: ______________
82 + 3 + 8 = 3 + ?
Answer: ______________
96 + 7 + 4 = ?
Answer: ______________
104 + 8 + 6 = ?
Answer: ______________
113 + 8 = 8 + ?
Answer: ______________
123 + 4 = 4 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 10
- 2. 4
- 3. 18
- 4. 10
- 5. 10
- 6. 13
- 7. 10
- 8. 10
- 9. 17
- 10. 18
- 11. 3
- 12. 3
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties