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 + 5 = 3 + ?
Answer: ______________
25 + 2 = 2 + ?
Answer: ______________
38 + 3 + 2 = 3 + ?
Answer: ______________
42 + 6 + 8 = 6 + ?
Answer: ______________
52 + 5 + 8 = 5 + ?
Answer: ______________
68 + 6 + 2 = ?
Answer: ______________
76 + 2 + 4 = ?
Answer: ______________
86 + 4 + 7 = ?
Answer: ______________
93 + 7 + 3 = ?
Answer: ______________
104 + 2 = 2 + ?
Answer: ______________
114 + 5 = 5 + ?
Answer: ______________
126 + 3 + 7 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 10
- 2. 5
- 3. 10
- 4. 10
- 5. 10
- 6. 16
- 7. 12
- 8. 17
- 9. 13
- 10. 4
- 11. 4
- 12. 16
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties