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 + 4 + 6 = ?
Answer: ______________
22 + 4 = 4 + ?
Answer: ______________
35 + 9 = 9 + ?
Answer: ______________
42 + 4 + 6 = ?
Answer: ______________
56 + 9 + 4 = 15 + ?
Answer: ______________
69 + 4 + 1 = 13 + ?
Answer: ______________
75 + 3 = 3 + ?
Answer: ______________
86 + 3 = 3 + ?
Answer: ______________
94 + 8 + 6 = 10 + ?
Answer: ______________
102 + 5 + 8 = ?
Answer: ______________
112 + 5 + 8 = 10 + ?
Answer: ______________
128 + 2 + 8 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 17
- 2. 2
- 3. 5
- 4. 12
- 5. 4
- 6. 1
- 7. 5
- 8. 6
- 9. 8
- 10. 15
- 11. 5
- 12. 18
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties