3rd Grade Math Review

Identify the shape that can be called a unit square.

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Which is a situation in which area is being measured?

• amount of water in a swimming pool

• edge of a picture frame

• floor tiles in a classroom

• fence of a garden

Linda is covering her table with square tiles. She has already completed the first row and the first column, as shown.

How many tiles will Linda use in all to cover the whole table?

• 16 tiles

• 9 tiles

• 63 tiles

• 54 tiles

A playground has an area of 30 square meters. Which shape could represent the playground?

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Mark draws a rectangle with an area of 35 square inches. One side of the rectangle measures 5 inches. What is the measurement of the other side of Mark’s rectangle?

• 5 inches

• 30 inches

• 40 inches

• 7 inches

Mrs. Grey is trying to find the best way to arrange her students’ desks into groups. Below is a floor plan of her classroom showing different arrangements for the groups. Each shaded square represents the placement of one desk. Which of Mrs. Grey's groups has the least area?

• Group 1

• Group 2

• Group 3

• Group 4

Reece painted the tiles on his ceiling. Each small square on the grid is 1 square unit. What is the number of square units he painted?

• 10

• 16

• 30

• 4

The rectangular floor of a bathroom is 6 feet wide and 7 feet long. What is the total area of the bathroom floor?

• 13 square feet

• 26 square feet

• 42 square feet

• 48 square feet

Owen is going to build a dog pen with an area of 40 square feet to keep his dog in the backyard. What expression shows how Owen solved for the area of 40 square feet?

Which expression could be used to find the area of the entire figure?