1. Grade 8 Math Chart Cessily Flores 2 nd pd P.I.T

2. Perimeter: The outside of the object Square P=4s Rectangle P=2l=2w or P=2(l+w)

3. Word Problem: What is the perimeter? A.45 B.39 C.60 D.34 12 in 5in

4. Word Problem: If the side is 9.25. What is the perimeter? A. 38 B.30 C.28.5 D.40

5. Circumference: All around the circle Circle C=2  r C=2  r or C=  d

6. Word Problem: The diameter is 13. What is the circumference? A. 40.82 B.38 C.12.25 D.41.30

7. Area: The inside of the object Square A=s² Triangle A=½bh or A=bh÷2 Circle A=  r² Rectangle A=lw or A=bh Trapezoid A=½(b¹+b²)h

8. Word Problem: Find the area of the triangle. A. 30 B. 22 C. 22.5 D. 19 h=6 7.5

9. Word Problem: If the length is 10 and the width is 23 what is the area? A.20 B.230 C.33 D.55

10. Word Problem: A.121 B.22 C.44 D.211 If the side length is 11. What's the area?

11. Word Problem: What is the area? 10 6 A.25 B.192 C.16 D.384 h=24

12. Word Problem: If the diameter is 3. What is the area? A.7.065 B.9.24 C.765 D.8.0

13. Surface Area: The inside of a three-dimensional shape. Total is all the of the shape. Lateral is only the sides. Cube(total) S=6s² Pyramid(total) S=½Pl+B Pyramid(lateral) S=½Pl Prism(total) S=Ph+2B Prism(lateral) S=Ph Cylinder(lateral) S=2 rh Cylinder(total) S=2 rh+2r ² or S=2 r(h+r)

14. Word Problem:

15. Find the lateral surface area of the prism.

16. Word Problem: Find the surface area of the prism.

19. Volume Prism V=Bh Cylinder V=Bh Pyramid V=¹/³Bh Cone V=¹/³Bh Sphere V=1/3 r ³

20. Word Problem:

21. Pi =3.14 or =22/7

22. Pythagorean Theorem: a²+b²=c²

23. Simple Interest Formula: I=prt

24. P represents the Perimeter of the Base of a three-dimensional figure. B represents the area of the Base of a three dimensional figure.

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