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: ____________
17 + 7 + 3 = 10 + ?
Answer: ______________
26 + 5 = 5 + ?
Answer: ______________
35 + 5 = 5 + ?
Answer: ______________
43 + 4 + 7 = 10 + ?
Answer: ______________
58 + 2 + 2 = ?
Answer: ______________
63 + 5 = 5 + ?
Answer: ______________
75 + 5 + 5 = 10 + ?
Answer: ______________
87 + 3 + 9 = ?
Answer: ______________
92 + 4 + 8 = 6 + ?
Answer: ______________
105 + 6 + 5 = 11 + ?
Answer: ______________
115 + 9 = 9 + ?
Answer: ______________
129 + 7 + 1 = 16 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 7
- 2. 6
- 3. 5
- 4. 4
- 5. 12
- 6. 3
- 7. 5
- 8. 19
- 9. 8
- 10. 5
- 11. 5
- 12. 1
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties