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: ____________
16 + 5 + 4 = 5 + ?
Answer: ______________
24 + 2 + 6 = 2 + ?
Answer: ______________
39 + 3 + 1 = 3 + ?
Answer: ______________
43 + 3 + 7 = 3 + ?
Answer: ______________
56 + 1 + 4 = ?
Answer: ______________
69 + 3 = 3 + ?
Answer: ______________
75 + 4 + 5 = 4 + ?
Answer: ______________
86 + 7 + 4 = ?
Answer: ______________
99 + 1 + 9 = ?
Answer: ______________
104 + 5 = 5 + ?
Answer: ______________
113 + 5 = 5 + ?
Answer: ______________
124 + 6 + 3 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 10
- 2. 10
- 3. 10
- 4. 10
- 5. 11
- 6. 9
- 7. 10
- 8. 17
- 9. 19
- 10. 4
- 11. 3
- 12. 13
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties