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: ____________
12 + 2 + 8 = ?
Answer: ______________
24 + 3 + 6 = ?
Answer: ______________
32 + 8 + 5 = ?
Answer: ______________
42 + 3 + 7 = ?
Answer: ______________
56 + 2 + 4 = ?
Answer: ______________
66 + 9 = 9 + ?
Answer: ______________
73 + 5 = 5 + ?
Answer: ______________
89 + 7 + 3 = ?
Answer: ______________
99 + 5 = 5 + ?
Answer: ______________
102 + 1 + 9 = ?
Answer: ______________
116 + 5 = 5 + ?
Answer: ______________
123 + 7 = 7 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 12
- 2. 13
- 3. 15
- 4. 12
- 5. 12
- 6. 6
- 7. 3
- 8. 19
- 9. 9
- 10. 12
- 11. 6
- 12. 3
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties