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: ____________
15 + 5 + 8 = ?
Answer: ______________
24 + 2 + 6 = 2 + ?
Answer: ______________
31 + 9 + 9 = ?
Answer: ______________
47 + 9 + 3 = 9 + ?
Answer: ______________
57 + 3 + 3 = ?
Answer: ______________
64 + 4 + 6 = 4 + ?
Answer: ______________
73 + 6 = 6 + ?
Answer: ______________
83 + 8 + 7 = 8 + ?
Answer: ______________
93 + 5 + 7 = 5 + ?
Answer: ______________
108 + 3 + 2 = 3 + ?
Answer: ______________
115 + 9 + 1 = ?
Answer: ______________
129 + 2 = 2 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 18
- 2. 10
- 3. 19
- 4. 10
- 5. 13
- 6. 10
- 7. 3
- 8. 10
- 9. 10
- 10. 10
- 11. 15
- 12. 9
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties