Review: Area and Perimeter. Definitions 1. What is a polygon? 2. What does perimeter mean? 3. What does area mean?

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Presentation transcript:

Review: Area and Perimeter

Definitions 1. What is a polygon? 2. What does perimeter mean? 3. What does area mean?

Definitions 1.What is a polygon? A closed shape made up of line segments 2. What does perimeter mean? Distance around the outside of a polygon 3.What does area mean? Squares it takes to cover a shape GIVE YOURSELF 1 POINT FOR EACH CORRECT ANSWER.

Finding Area and Perimeter 4.What’s one way to find the perimeter of a polygon? 5. What’s one way to find the area of a rectangle or square? 6. What’s another way to write square inches?

Finding Area and Perimeter 4.What’s one way to find the perimeter of a polygon? Add the sides together. 5.What’s one way to find the area of a rectangle or square? Multiply the length times the width 6.What’s another way to write square inches? in² (use the exponent 2) GIVE YOURSELF 1 POINT FOR EACH CORRECT ANSWER.

Review 7. What is the name of this shape? 8. What is the perimeter? 9. What is the area? 5 in 10 in

Review 7. What is the name of this shape? The shape is a RECTANGLE. 8. What is the perimeter? The PERIMETER is the distance around the edge. So add and get 30 inches. 9. What is the area? The area is the # of squares that cover the shape. So, multiply 10 x 5 and you get 50 square inches or 50in². GIVE YOURSELF 1 POINT FOR EACH CORRECT ANSWER. 5 in 10 in

Review 10. What is the name of this shape? 11. What is the broken line called? 12. How do you find the area? 12 cm 8 cm 7 cm 11 cm

Review 10. What is the name of this shape? A triangle 11. What is the broken line called? The altitude or the height 12. How do you find the area? Multiply ½ times the base times the height or A = ½ (b · h) GIVE YOURSELF 1 POINT FOR EACH CORRECT ANSWER. 8 cm 7 cm 12 cm 11 cm

Review 13. What is the perimeter? 14. What is the area? 5 in 10 in 8 cm 7 cm 11 cm

Review 13. What is the perimeter? P = or 26 cm 14. What is the area? A = ½ (b · h) or ½ ( 8 x 10) or ½ (80) or 40 cm² or 40 sq cm 5 in 10 in 8 cm 7 cm 11 cm GIVE YOURSELF 1 POINT FOR EACH CORRECT ANSWER.

Review 15. What is the perimeter? 16. What is the area? 6 m 3 m 4 m 5 m

Review 15. What is the perimeter? P = or 13 m 16. What is the area? A = ½ (b · h) or ½ ( 6 x 5) or ½ (30) or 15 m² or 15 sq m 6 m 3 m 4 m 5 m GIVE YOURSELF 1 POINT FOR EACH CORRECT ANSWER.

Review 17. What is the name of this shape? 18. What is the perimeter? 19. What is the area? 8 in 7 in

Review 17. What is the name of this shape? A rhombus or a parallelogram 18. What is the perimeter? P = or 4 (8) or 32 in 19. How do you find the area? Multiply the base times the height or A = b · h or A = 7 x 8 or 56 sq in or 56 in² GIVE YOURSELF 1 POINT FOR EACH CORRECT ANSWER. 8 in 7 in

How did you do? A = B = C = D = This was just practice. Now you know what to study! Which sound matches your score? – Sound 1 —Sound 2