
Solving Linear Equations and Variables
Interactive Video
•
Mathematics
•
6th - 10th Grade
•
Practice Problem
•
Hard
+2
Standards-aligned
Sophia Harris
FREE Resource
Standards-aligned
7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for the perimeter of a rectangle?
P = l + w
P = 2l + 2w
P = l * w
P = 2(l + w)
Tags
CCSS.3.MD.D.8
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in solving the equation P = 2l + 2w for l?
Add 2w to both sides
Subtract 2w from both sides
Divide both sides by 2
Multiply both sides by 2
Tags
CCSS.HSA.REI.B.3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
After subtracting 2w from both sides, what does the left-hand side of the equation become?
2l - 2w
2l + 2w
P - 2w
P + 2w
Tags
CCSS.HSA.CED.A.4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the term 2w on the right-hand side after subtracting 2w from both sides?
It doubles
It cancels out
It remains the same
It becomes negative
Tags
CCSS.6.EE.B.7
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final step to isolate l in the equation?
Divide both sides by 2
Multiply both sides by 2
Subtract 2 from both sides
Add 2 to both sides
Tags
CCSS.7.EE.B.4A
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final expression for l in terms of P and w?
l = (P + 2w) / 2
l = P - 2w / 2
l = P + 2w / 2
l = (P - 2w) / 2
Tags
CCSS.HSA.CED.A.4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of dividing both sides of the equation by 2 in the final step?
To isolate the term with w
To simplify the equation
To isolate the term with l
To cancel out the perimeter
Tags
CCSS.7.EE.B.4A
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