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Area of a Rectangle - Side from Area and Side Ratio as Variables (Level 1)

This math topic focuses on enhancing students’ skills in determining the side length of a rectangle when given the area and the ratio of its sides as variables. It is a component of a larger educational unit on the introductory concepts of area and perimeter logic. Through a series of problems, learners are tasked with solving for a variable 'x' that represents the unknown side of rectangles, applying their understanding of area calculations and proportional reasoning.

Work on practice problems directly here, or download the printable pdf worksheet to practice offline.

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Rectangle - Side from Area and Side Ratio as Variables

Complete these online problems with 80% or 4 correct answers in a row. Results are immediate.


Solve for 'x', given this rectangle's dimensions

A = 8x2x

Area of a Rectangle - Side from Area and Side Ratio as Variables Worksheet

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Math worksheet on 'Area of a Rectangle - Side from Area and Side Ratio as Variables (Level 1)'. Part of a broader unit on 'Area and Perimeter Logic - Practice' Learn online: app.mobius.academy/math/units/area_and_perimeter_geometry_logic_practice/
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An svg image showing a math problem
Solve for 'x', given this rectangle's dimensions
a
4
b
1
c
7
d
10
e
2
f
8
2
An svg image showing a math problem
Solve for 'x', given this rectangle's dimensions
a
2
b
9
c
6
d
4
e
1
f
10
3
An svg image showing a math problem
Solve for 'x', given this rectangle's dimensions
a
4
b
13
c
11
d
2
e
9
f
3
4
An svg image showing a math problem
Solve for 'x', given this rectangle's dimensions
a
9
b
10
c
5
d
11
e
4
f
3
5
An svg image showing a math problem
Solve for 'x', given this rectangle's dimensions
a
7
b
2
c
10
d
1
e
5
f
3
6
An svg image showing a math problem
Solve for 'x', given this rectangle's dimensions
a
6
b
1
c
3
d
12
e
11
f
5
7
An svg image showing a math problem
Solve for 'x', given this rectangle's dimensions
a
9
b
1
c
7
d
2
e
4
f
5