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 + 7 = ?
Answer: ______________
28 + 2 + 8 = ?
Answer: ______________
32 + 7 = 7 + ?
Answer: ______________
44 + 6 + 7 = ?
Answer: ______________
55 + 3 = 3 + ?
Answer: ______________
62 + 6 = 6 + ?
Answer: ______________
77 + 3 + 3 = 3 + ?
Answer: ______________
87 + 8 = 8 + ?
Answer: ______________
93 + 1 + 9 = ?
Answer: ______________
102 + 9 + 1 = ?
Answer: ______________
116 + 4 + 4 = ?
Answer: ______________
126 + 7 = 7 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 15
- 2. 18
- 3. 2
- 4. 17
- 5. 5
- 6. 2
- 7. 10
- 8. 7
- 9. 13
- 10. 12
- 11. 14
- 12. 6
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties