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 + 3 + 4 = ?
Answer: ______________
27 + 2 + 3 = ?
Answer: ______________
33 + 6 + 7 = ?
Answer: ______________
45 + 8 = 8 + ?
Answer: ______________
54 + 4 + 6 = ?
Answer: ______________
65 + 6 + 5 = ?
Answer: ______________
77 + 9 = 9 + ?
Answer: ______________
87 + 7 = 7 + ?
Answer: ______________
93 + 7 + 3 = ?
Answer: ______________
105 + 7 + 3 = ?
Answer: ______________
117 + 6 + 4 = ?
Answer: ______________
124 + 6 + 1 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 14
- 2. 12
- 3. 16
- 4. 5
- 5. 14
- 6. 16
- 7. 7
- 8. 7
- 9. 13
- 10. 15
- 11. 17
- 12. 11
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties