Tiling & Counting
A rectangle is completely covered by 15 square tiles with no gaps or overlaps. What is the area?
15 square units
A student covers her notebook with 12 identical stickers. What attribute is she measuring?
area
What math operation is a shortcut for finding the area in a rectangle?
Multiplication
How many quarter-inch marks are in one whole inch?
A rectangle is 10 inches long and 2 inches wide. What is the area?
20 square inches
Look at this rectangle. If each blue square is 1 unit, what is the total area?
20 square units (4 rows of 5)
Rug A is 6 sq ft. Rug B is 10 sq ft. They are placed side-by-side. Total area?
16 square feet
A rectangle has a length of 8 and a width of 3. Find the area.
24 square units
What is the measurement halfway between 3 and 4 inches?
3 and 1/2 inches
An L-shaped garden is a 3x2 rectangle and a 4x2 rectangle joined. Total area?
14 square units
True or False: To find area by tiling, the units can be different sizes.
False! They must be multiple copies of the same un
You want to carpet a room that is 5 yards long and 4 yards wide. Total yards?
20 square yards
A square has a side length of 6 inches. What is its area?
36 square inches
Identify the measurement one quarter past the 2-inch mark.
2 and 1/4 inches
A 5x5 square has a 1x1 square cut out. What is the remaining area?
24 square units
How many tiles are missing to fill a 3x4 rectangle if 8 tiles are already there?
4 tiles (12 total - 8 = 4)
A small garden is 2 meters by 4 meters. What is the area?
8 square meters
If the area is 20 and the width is 4, what is the length?
5 units
Which is longer: 4 and 3/4 inches or 5 inches?
5 inches
Double the sides of a 2x2 square. What is the new area?
16 square units
A rectangle has 6 rows. Each row has 3 tiles. Count the area.
18 square units
A tabletop is covered by 50 square tiles. If each tile is 1 square inch, what is the area?
50 square inches
Why does L x W work for area? (Think rows and columns)
It counts the number of units in each row multiplied by the number of rows.
How many quarter inches are in 2 and 1/2 inches?
10 quarter inches
Draw a rectangle with an area of 12. List two possible sets of side lengths.
1x12, 2x6, or 3x4