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: ____________
17 + 5 = 5 + ?
Answer: ______________
21 + 8 + 9 = ?
Answer: ______________
34 + 9 = 9 + ?
Answer: ______________
44 + 8 + 6 = ?
Answer: ______________
56 + 8 = 8 + ?
Answer: ______________
65 + 7 + 5 = ?
Answer: ______________
75 + 3 = 3 + ?
Answer: ______________
82 + 6 = 6 + ?
Answer: ______________
97 + 7 = 7 + ?
Answer: ______________
103 + 7 + 5 = ?
Answer: ______________
117 + 1 + 9 = ?
Answer: ______________
126 + 5 = 5 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 7
- 2. 18
- 3. 4
- 4. 18
- 5. 6
- 6. 17
- 7. 5
- 8. 2
- 9. 7
- 10. 15
- 11. 17
- 12. 6
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties