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: ____________
11 + 4 + 6 = ?
Answer: ______________
27 + 6 + 3 = 6 + ?
Answer: ______________
39 + 3 + 1 = 3 + ?
Answer: ______________
49 + 2 + 1 = ?
Answer: ______________
52 + 6 + 4 = ?
Answer: ______________
66 + 8 + 4 = 8 + ?
Answer: ______________
79 + 2 + 1 = 2 + ?
Answer: ______________
83 + 7 + 7 = ?
Answer: ______________
99 + 1 + 1 = ?
Answer: ______________
105 + 9 = 9 + ?
Answer: ______________
115 + 4 + 6 = ?
Answer: ______________
123 + 3 + 7 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 11
- 2. 10
- 3. 10
- 4. 12
- 5. 12
- 6. 10
- 7. 10
- 8. 17
- 9. 11
- 10. 5
- 11. 15
- 12. 13
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties