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 = 11 + ?
Answer: ______________
27 + 8 = 8 + ?
Answer: ______________
35 + 4 + 5 = 10 + ?
Answer: ______________
45 + 7 + 5 = 12 + ?
Answer: ______________
55 + 4 = 4 + ?
Answer: ______________
65 + 7 + 3 = ?
Answer: ______________
79 + 7 + 1 = ?
Answer: ______________
88 + 8 + 2 = 10 + ?
Answer: ______________
97 + 7 + 3 = 10 + ?
Answer: ______________
108 + 3 + 2 = 10 + ?
Answer: ______________
119 + 6 + 4 = ?
Answer: ______________
129 + 1 + 5 = ?
Answer: ______________
Answer key: Turn-around and make-ten
- 1. 4
- 2. 7
- 3. 4
- 4. 5
- 5. 5
- 6. 15
- 7. 17
- 8. 8
- 9. 7
- 10. 3
- 11. 19
- 12. 15
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-properties