Lesson Worksheet: Writing and Evaluating Algebraic Expressions Mathematics • 7th Grade
In this worksheet, we will practice writing algebraic expressions and evaluating them for specific values of their variables.
Q2:
Consider the shown trapezoid.
Write an expanded expression for its area. Simplify the expression, if possible.
- A
- B
- C
- D
- E
The given trapezoid is the cross section of a prism of length . Write an expanded expression for the volume of the prism. Simplify the expression, if possible.
- A
- B
- C
- D
- E
Q3:
Consider the shown trapezoid.
Write an expanded expression for its area. Simplify the expression, if possible.
- A
- B
- C
- D
- E
The given trapezoid is the cross section of the given prism of length .
Write an expanded expression for the volume of the prism. Simplify the expression, if possible.
- A
- B
- C
- D
- E
Q5:
Given that a day consists of 24 hours, write an expression that relates the number of days in terms of hours, and then determine how many hours there are in 3 days.
- A, 96 hours
- B, 72 hours
- C, 144 hours
- D, 27 hours
- E, 21 hours
Q6:
What is the area of a square of perimeter ?
- A
- B
- C
- D49
- E
Q8:
Write two equivalent expressions for the area of the following figure.
- A,
- B,
- C,
- D,
- E,
Q9:
Translate the following verbal expression into an algebraic one, and then simplify it: Four sets of the sum of a number and eleven are added to three times the same number.
- A,
- B,
- C,
- D,
- E,
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