Finding the Area of Rectangles

What is the definition of area in geometry?

• The distance around a shape

• The amount of surface a shape covers

• The height of a shape

• The width of a shape

Which of the following is NOT a way to measure area?

• Measuring the perimeter of a shape

• Multiplying the length and width of a rectangle

• Using grid paper

• Counting squares inside a shape

If a rectangle has a length of 8 units and a width of 5 units, what is its area?

• 20 square units

• 13 square units

• 40 square units

• 10 square units

What is the area of a rectangle with a length of 7 units and a width of 4 units?

• 28 square units

• 14 square units

• 11 square units

• 21 square units

How do you write 'one square centimeter' using an exponent?

• 1 cm^3

• 1 cm^2

• 1 cm^1

• 1 cm

Which unit would you use to measure the area of a city?

• Square inches

• Square kilometers

• Square centimeters

• Square meters

Mr. Lee's kitchen floor has 8 rows of tiles, each with 10 tiles. How many tiles are there in total?

• 20 tiles

• 40 tiles

• 80 tiles

• 18 tiles

If each tile costs $2, how much would it cost to tile Mr. Lee's kitchen floor with 80 tiles?

• $80

• $200

• $40

• $160

Mrs. Lee planted 5 rows of tomato plants with 6 plants in each row. How many plants did she plant in total?

• 11 plants

• 30 plants

• 35 plants

• 25 plants

What is the purpose of doing a ballpark estimate in math problems?

• To find the exact answer

• To check if the answer is reasonable

• To make the problem harder

• To avoid doing calculations