Tiling
1. Look at the rectangle. Count the units and determine the area.
27 square units
7. Look at the picture. What is the area of the window?
The area of the window is _72_ square inches.
4. How can you decompose to find the area of this rectangle?
10 x 8 = 10 x _3_ + 10 x _5_
= _30_ + _50_
=_80_ square centimeters
10. Look at the figure. If you could complete the tiling, how many unit squares would fill the shape?
16
8. Su designs a trail by laying rectangular stones side by side. What is the total area of the stones?
_24_ square feet
5. Bill built a new patio. Look at the picture. What is the area of Bill's new patio?
72 square feet
2. Which statements are true? Choose true or false for each.
a. Placing unit squares on a figure with gaps is called tiling. _________
b. Area is measured in square units. _______
a. false
b. true
11. Shaina writes two equations to find the area of this rectangle.
Shaina's equations
Equation 1 Equation 2
A= 5 + 10 A = 5 x 3 + 5 x 7
A = 15 square meters A = 50 square meters
Why did Shaina get two different answers?
Shaina should have multiple the length times the width, not added them.
9. Fatima paints a large F on a sign for her fruit stand. How much of the sign is covered by the F?
16 square inches
13. Look at the figure. How can you find the area of the rectangle? What is the area?
You can count the tiles. The area is 24 square units.
12. Ema cut three rectangles from woodier a birdhouse. Look at the rectangles.
How do their areas compare?
They are all the same because
4x4=16
8x2=16
16x1=16
Congratulations
You won 400 points!
Congratulations
You won 500 points!
3. Omar uses a rag to wash his car. The area of the rag is 40 square inches. What could be the length and width of the rag? Choose all the apply.
5 inches by 8 inches
20 inches by 2 inches
6. Tomas finds the area of this figure. He sees different ways to pattern the figure. Which group of equations can be used to find the area? Choose the two that apply.
2. 4x7 = 28
9 x 3 = 27
10 x 4 = 40
3. 10 x 4 = 40
7 x 7 = 49
3 x 2 = 6