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: ____________
15 + 8 = 8 + ?
Answer: ______________
26 + 4 + 8 = ?
Answer: ______________
34 + 7 = 7 + ?
Answer: ______________
48 + 5 = 5 + ?
Answer: ______________
54 + 1 + 9 = ?
Answer: ______________
65 + 1 + 9 = ?
Answer: ______________
71 + 3 + 7 = ?
Answer: ______________
82 + 8 = 8 + ?
Answer: ______________
98 + 2 + 3 = ?
Answer: ______________
102 + 6 = 6 + ?
Answer: ______________
116 + 3 = 3 + ?
Answer: ______________
129 + 1 + 3 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 5
- 2. 18
- 3. 4
- 4. 8
- 5. 14
- 6. 15
- 7. 11
- 8. 2
- 9. 13
- 10. 2
- 11. 6
- 12. 13
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties