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 + 2 + 8 = ?
Answer: ______________
21 + 8 + 2 = ?
Answer: ______________
35 + 8 + 2 = ?
Answer: ______________
44 + 3 = 3 + ?
Answer: ______________
58 + 7 = 7 + ?
Answer: ______________
69 + 2 = 2 + ?
Answer: ______________
73 + 4 = 4 + ?
Answer: ______________
82 + 9 = 9 + ?
Answer: ______________
96 + 7 + 4 = ?
Answer: ______________
102 + 5 = 5 + ?
Answer: ______________
111 + 9 + 9 = ?
Answer: ______________
126 + 4 + 9 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 12
- 2. 11
- 3. 15
- 4. 4
- 5. 8
- 6. 9
- 7. 3
- 8. 2
- 9. 17
- 10. 2
- 11. 19
- 12. 19
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties