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: ____________
16 + 5 + 4 = 5 + ?
Answer: ______________
26 + 7 + 4 = ?
Answer: ______________
34 + 3 = 3 + ?
Answer: ______________
49 + 9 + 1 = 9 + ?
Answer: ______________
58 + 5 = 5 + ?
Answer: ______________
63 + 3 + 7 = 3 + ?
Answer: ______________
75 + 9 + 1 = ?
Answer: ______________
83 + 1 + 9 = ?
Answer: ______________
97 + 7 + 3 = 7 + ?
Answer: ______________
105 + 3 + 5 = ?
Answer: ______________
119 + 7 + 1 = 7 + ?
Answer: ______________
126 + 7 + 4 = 7 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 10
- 2. 17
- 3. 4
- 4. 10
- 5. 8
- 6. 10
- 7. 15
- 8. 13
- 9. 10
- 10. 13
- 11. 10
- 12. 10
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties