Grades 6-8 Fcat 2.0 Mathematics Reference Sheet Page 17
ADVERTISEMENT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20Objective: Determine the missing measure of a square or rectangle given the area using whole
number dimensions.
The area (A) of a rectangle or square can be found by multiplying the length (l) by the width (w).
A = l x w
The missing measure of a square or rectangle can be determined by using division.
Examples:
A = l x w
w
64 = 16 x w
16
16
16 cm
A = 64 cm
4 = w
The width of the rectangle is 4 cm.
2
1.) Determine the missing side of the square. Please show
2.) Determine the missing side of the rectangle. Please
your work.
show your work.
A = 81 cm
2
5 cm
w =
w
l
A = 65 cm
2
9 cm
l =
3.) Determine the missing side of a rectangle with an area
4.) Determine the missing side of a rectangle with an area of
of 144 cm
and a width of 8 cm. Please show your work.
480 cm
and a length of 32 cm. Please show your work.
2
2
5.) Jeremy plans to paint a bright green rectangle on the
6.) Jamie wants to put stickers, to celebrate her birthday, on
bottom of his pool. He has enough paint to cover an area
top of chocolate bar wrappers. The bar is 48 mm wide and
of 273 square feet. He wants the width of the rectangle to
has an area of 4128 mm
. What must be the length of the
2
be 13 feet. Determine what the length of the rectangle
sticker to cover the top of the bar?
should be. Please show your work.
17
ADVERTISEMENT
0 votes
Related Articles
Related forms
Related Categories
Parent category: Education