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: ____________
12 + 8 + 4 = ?
Answer: ______________
27 + 4 + 3 = 11 + ?
Answer: ______________
33 + 2 = 2 + ?
Answer: ______________
46 + 6 + 4 = ?
Answer: ______________
56 + 4 + 3 = ?
Answer: ______________
62 + 9 + 8 = 11 + ?
Answer: ______________
74 + 3 = 3 + ?
Answer: ______________
86 + 9 + 4 = 15 + ?
Answer: ______________
92 + 2 + 8 = ?
Answer: ______________
105 + 9 = 9 + ?
Answer: ______________
117 + 3 = 3 + ?
Answer: ______________
122 + 4 + 6 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 14
- 2. 3
- 3. 3
- 4. 16
- 5. 13
- 6. 8
- 7. 4
- 8. 4
- 9. 12
- 10. 5
- 11. 7
- 12. 12
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties