1. Read and answer the questions on each slide. To move to through the tutorial, press return or the space bar. Feel free to view the tutorial again if you have questions

2. How much cardboard in a cardboard box?

3. Do you see the RED face? What are the dimensions of this rectangle? 10 cm 4 cm 7 cm 10cm

4. Do you see another face that is just like the RED face? Where is it located? Keep an eye on the next screen! 4 cm 7 cm 10cm

5. Yes, it’s on the back. 10cm 4 cm 10cm 4 cm

6. Now there are 2 rectangles 40cm 2 that each have an area of 40 sq. cm

7. Do you see the BLUE face? What are the dimensions of this rectangle? 4 cm 7 cm 4 cm 7 cm 10cm

8. Do you see another face that is just like the BLUE face? Where is it located? 4 cm 7 cm 10cm

9. Yes, it’s on the left side. 4 cm 7 cm 4 cm

10. Now there are 2 rectangles that each have an area of 28 sq. cm. 28cm 2

11. Do you see the GREEN face? What are the dimensions of this rectangle? 10 cm 7 cm 4cm 7cm 10cm

12. Do you see another face that is just like the GREEN face? Where is it located? 4 cm 7 cm 10cm

13. Yes, it’s on the bottom. 10cm 7 cm 10cm 7 cm

14. Now there are 2 rectangles that each have an area of 70 sq. cm. 70cm 2

15. Now we just need to add all the areas of the sides together. + + + + 70cm 2 28cm 2 40cm 2 28cm 2 70cm 2

16. The total Surface Area for this rectangular prism is 40 + 40 + 28 + 28 + 70 + 70 = 276cm 2