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: ____________
13 + 7 + 1 = ?
Answer: ______________
27 + 5 + 5 = ?
Answer: ______________
38 + 9 = 9 + ?
Answer: ______________
42 + 9 + 1 = ?
Answer: ______________
54 + 5 = 5 + ?
Answer: ______________
68 + 6 = 6 + ?
Answer: ______________
75 + 5 + 5 = ?
Answer: ______________
82 + 8 = 8 + ?
Answer: ______________
95 + 5 + 9 = ?
Answer: ______________
108 + 1 + 9 = ?
Answer: ______________
113 + 9 + 7 = 9 + ?
Answer: ______________
128 + 8 = 8 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 11
- 2. 17
- 3. 8
- 4. 12
- 5. 4
- 6. 8
- 7. 15
- 8. 2
- 9. 19
- 10. 18
- 11. 10
- 12. 8
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties