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 + 9 + 7 = 9 + ?
Answer: ______________
27 + 3 + 5 = ?
Answer: ______________
33 + 7 + 7 = 7 + ?
Answer: ______________
47 + 9 + 3 = 9 + ?
Answer: ______________
57 + 2 = 2 + ?
Answer: ______________
66 + 2 = 2 + ?
Answer: ______________
75 + 4 + 5 = 4 + ?
Answer: ______________
83 + 9 = 9 + ?
Answer: ______________
92 + 8 + 5 = ?
Answer: ______________
108 + 2 + 1 = ?
Answer: ______________
112 + 2 + 8 = ?
Answer: ______________
128 + 7 = 7 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 10
- 2. 15
- 3. 10
- 4. 10
- 5. 7
- 6. 6
- 7. 10
- 8. 3
- 9. 15
- 10. 11
- 11. 12
- 12. 8
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties