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 = 5 + ?
Answer: ______________
28 + 8 + 2 = ?
Answer: ______________
33 + 7 + 3 = ?
Answer: ______________
42 + 8 + 8 = 8 + ?
Answer: ______________
51 + 6 + 4 = ?
Answer: ______________
69 + 1 + 7 = ?
Answer: ______________
76 + 2 = 2 + ?
Answer: ______________
84 + 9 = 9 + ?
Answer: ______________
98 + 1 + 9 = ?
Answer: ______________
105 + 4 + 5 = 4 + ?
Answer: ______________
117 + 8 + 2 = ?
Answer: ______________
125 + 2 + 5 = 2 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 6
- 2. 18
- 3. 13
- 4. 10
- 5. 11
- 6. 17
- 7. 6
- 8. 4
- 9. 18
- 10. 10
- 11. 17
- 12. 10
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties