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: ____________
11 + 3 + 7 = ?
Answer: ______________
29 + 1 + 9 = ?
Answer: ______________
37 + 9 = 9 + ?
Answer: ______________
43 + 4 = 4 + ?
Answer: ______________
57 + 6 = 6 + ?
Answer: ______________
67 + 8 = 8 + ?
Answer: ______________
72 + 4 = 4 + ?
Answer: ______________
88 + 2 + 5 = ?
Answer: ______________
94 + 7 + 3 = ?
Answer: ______________
108 + 9 + 1 = ?
Answer: ______________
115 + 3 = 3 + ?
Answer: ______________
121 + 9 + 8 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 11
- 2. 19
- 3. 7
- 4. 3
- 5. 7
- 6. 7
- 7. 2
- 8. 15
- 9. 14
- 10. 18
- 11. 5
- 12. 18
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties