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 + 5 + 1 = ?
Answer: ______________
28 + 7 + 3 = ?
Answer: ______________
35 + 5 + 5 = 5 + ?
Answer: ______________
47 + 3 + 3 = 3 + ?
Answer: ______________
55 + 9 = 9 + ?
Answer: ______________
64 + 9 + 6 = 9 + ?
Answer: ______________
73 + 3 = 3 + ?
Answer: ______________
88 + 5 + 2 = 5 + ?
Answer: ______________
92 + 9 = 9 + ?
Answer: ______________
103 + 4 + 6 = ?
Answer: ______________
116 + 4 + 6 = ?
Answer: ______________
126 + 9 = 9 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 11
- 2. 18
- 3. 10
- 4. 10
- 5. 5
- 6. 10
- 7. 3
- 8. 10
- 9. 2
- 10. 13
- 11. 16
- 12. 6
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties