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 + 3 + 1 = ?
Answer: ______________
23 + 3 = 3 + ?
Answer: ______________
34 + 7 = 7 + ?
Answer: ______________
47 + 4 = 4 + ?
Answer: ______________
52 + 7 + 3 = ?
Answer: ______________
64 + 6 + 6 = ?
Answer: ______________
75 + 5 = 5 + ?
Answer: ______________
84 + 6 + 7 = ?
Answer: ______________
96 + 9 + 1 = ?
Answer: ______________
101 + 2 + 9 = ?
Answer: ______________
115 + 6 = 6 + ?
Answer: ______________
126 + 6 = 6 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 11
- 2. 3
- 3. 4
- 4. 7
- 5. 12
- 6. 16
- 7. 5
- 8. 17
- 9. 16
- 10. 12
- 11. 5
- 12. 6
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties