Area Basics
A square has sides that are each 1 unit long. What is its area?
1 square unit
A rectangle is made of 2 rows of 4 unit squares. What is its area?
8 square units
Which equation finds its area?
A. 3+7=10
B. 7−3=4
C. 3×7=21
D. 7+7=14
C. 3×7=21
A rectangle has an area of 18 square units and a width of 3 units. What is its length?
6 units
A small rug is 4 feet long and 3 feet wide. What is the area of the rug?
12 square feet
Which unit would you use to measure the area of a classroom floor?
A. feet
B. square feet
C. inches
D. yards
B. square feet
A rectangle has 3 rows with 5 unit squares in each row. What is its area?
15 square units
A rectangular array has 5 rows of 4 squares. What multiplication equation represents its area?
5×4=20
Fill in the missing number: 5×___=35
Then tell what this could mean for a rectangle.
7; a rectangle could have side lengths of 5 units and 7 units.
A garden is 6 yards long and 5 yards wide. How many square yards of space does the garden cover?
30 square yards
A rectangle is 3 inches long and 4 inches wide. What is its area?
12 square inches
A rectangular grid has 4 rows and 6 columns. Without counting every square one at a time, find its area.
4×6=24 square units
A rectangle is 8 units long and 3 units wide. Give two multiplication equations that can be used to find its area.
8×3=24 and 3×8=24
A rectangle has an area of 32 square feet. One side is 4 feet long. How long is the other side?
8 feet
A rectangular art poster has 4 rows of 8 square stickers. Each sticker covers 1 square inch. What is the area covered by the stickers?
32 square inches
Mia says a rectangle that is 5 feet long and 2 feet wide has an area of 7 square feet because 5+2=7.
What mistake did Mia make, and what is the correct area?
She added the side lengths instead of multiplying them. 5×2=10, so the area is 10 square feet.
A rectangle contains 28 unit squares arranged in 4 equal rows. How many squares are in each row?
7 squares
Which THREE expressions can be used to find the area of a rectangle with 4 rows and 6 columns?
A. 4×6
B. 6+6+6+6
C. 4+6
D. 4+4+4+4+4+4
E. 6−4
A, B, and D
A rectangle has an area of 36 square units. Which could be its side lengths?
A. 5 and 6
B. 4 and 9
C. 3 and 10
D. 6 and 7
B. 4 and 9
A rectangular playground is 9 yards long and 6 yards wide. A 3-yard by 4-yard section is covered with sand. The rest is covered with grass. How many square yards are covered with grass?
Whole playground: 9×6=54
Sand: 3×4=12
Grass: 54−12=42 square yards
Two rectangles both have an area of 24 square units. One rectangle is 4 units by 6 units. Give another possible length and width for a rectangle with an area of 24 square units.
Possible answers include 3 × 8, 2 × 12, or 1 × 24.
A rectangle has an area of 30 square units. It has 5 rows. How many columns does it have? Explain how you know.
6 columns because 5×6=30
Noah finds the area of a 7-by-4 rectangle using: 7+7+7+7=28
Ava uses: 4+4+4+4+4+4+4=28
Who is correct?
Both are correct. Noah added 7 four times, and Ava added 4 seven times. Both represent the same 7 × 4 rectangle and have an area of 28 square units.
I am thinking of a rectangle.
What are my side lengths?
4 units and 6 units
A rectangular patio is 10 feet long and 8 feet wide. One section measuring 5 feet by 4 feet is covered with red tiles. The rest is covered with gray tiles. How many square feet are covered with gray tiles?
Whole patio: 10×8=80 square feet
Red section: 5×4=20 square feet
Gray section: 80−20=60 square feet