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 + 1 + 9 = ?
Answer: ______________
23 + 4 + 7 = ?
Answer: ______________
38 + 4 + 2 = 4 + ?
Answer: ______________
45 + 1 + 5 = ?
Answer: ______________
53 + 8 + 2 = ?
Answer: ______________
62 + 3 + 8 = 3 + ?
Answer: ______________
73 + 9 + 7 = ?
Answer: ______________
87 + 3 + 3 = 3 + ?
Answer: ______________
91 + 4 + 9 = ?
Answer: ______________
107 + 8 = 8 + ?
Answer: ______________
117 + 9 + 3 = 9 + ?
Answer: ______________
124 + 7 + 6 = 7 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 12
- 2. 14
- 3. 10
- 4. 11
- 5. 13
- 6. 10
- 7. 19
- 8. 10
- 9. 14
- 10. 7
- 11. 10
- 12. 10
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties