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 + 9 + 3 = 9 + ?
Answer: ______________
29 + 4 + 1 = 4 + ?
Answer: ______________
33 + 3 = 3 + ?
Answer: ______________
43 + 2 + 7 = 2 + ?
Answer: ______________
56 + 2 = 2 + ?
Answer: ______________
65 + 6 + 5 = 6 + ?
Answer: ______________
73 + 8 + 7 = 8 + ?
Answer: ______________
87 + 1 + 3 = ?
Answer: ______________
93 + 7 + 7 = ?
Answer: ______________
102 + 2 + 8 = ?
Answer: ______________
115 + 8 + 5 = 8 + ?
Answer: ______________
123 + 7 = 7 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 10
- 2. 10
- 3. 3
- 4. 10
- 5. 6
- 6. 10
- 7. 10
- 8. 11
- 9. 17
- 10. 12
- 11. 10
- 12. 3
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties