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: ____________
15 + 3 = 3 + ?
Answer: ______________
28 + 3 = 3 + ?
Answer: ______________
37 + 7 + 3 = 14 + ?
Answer: ______________
42 + 4 = 4 + ?
Answer: ______________
58 + 3 + 2 = ?
Answer: ______________
64 + 4 + 6 = 10 + ?
Answer: ______________
79 + 9 = 9 + ?
Answer: ______________
84 + 2 + 6 = 6 + ?
Answer: ______________
98 + 7 + 3 = ?
Answer: ______________
106 + 2 + 4 = 8 + ?
Answer: ______________
115 + 5 = 5 + ?
Answer: ______________
126 + 3 + 7 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 5
- 2. 8
- 3. 3
- 4. 2
- 5. 13
- 6. 4
- 7. 9
- 8. 6
- 9. 18
- 10. 4
- 11. 5
- 12. 16
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties