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 + 1 = ?
Answer: ______________
23 + 4 + 7 = 7 + ?
Answer: ______________
35 + 9 + 5 = ?
Answer: ______________
43 + 9 = 9 + ?
Answer: ______________
57 + 9 + 1 = ?
Answer: ______________
62 + 3 = 3 + ?
Answer: ______________
72 + 9 + 8 = 10 + ?
Answer: ______________
82 + 5 + 5 = ?
Answer: ______________
99 + 6 + 1 = 10 + ?
Answer: ______________
107 + 8 = 8 + ?
Answer: ______________
115 + 7 = 7 + ?
Answer: ______________
129 + 1 + 5 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 11
- 2. 7
- 3. 19
- 4. 3
- 5. 17
- 6. 2
- 7. 9
- 8. 12
- 9. 6
- 10. 7
- 11. 5
- 12. 15
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties