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: ____________
14 + 9 + 1 = ?
Answer: ______________
29 + 9 + 1 = ?
Answer: ______________
39 + 5 = 5 + ?
Answer: ______________
45 + 2 = 2 + ?
Answer: ______________
55 + 4 + 5 = 4 + ?
Answer: ______________
65 + 6 = 6 + ?
Answer: ______________
77 + 4 = 4 + ?
Answer: ______________
86 + 5 + 4 = ?
Answer: ______________
93 + 7 + 8 = ?
Answer: ______________
109 + 4 + 1 = 4 + ?
Answer: ______________
119 + 3 = 3 + ?
Answer: ______________
123 + 6 = 6 + ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 14
- 2. 19
- 3. 9
- 4. 5
- 5. 10
- 6. 5
- 7. 7
- 8. 15
- 9. 18
- 10. 10
- 11. 9
- 12. 3
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties