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In this lesson, we will learn how to write and evaluate multiplication algebraic expressions.

Q1:

Evaluate π Γ 5 if π = 7 .

Q2:

Write an expression for double a number π .

Q3:

Write an expression for the product of 5 and π .

Q4:

Write an expression for triple a number π .

Q5:

Write an expression for a number π¦ multiplied by 12.

Q6:

Write the following phrase as an algebraic expression: thirty-seven times as many oranges.

Q7:

Using π₯ to represent the cost of a notebook and π¦ to represent the cost of a folder, write an expression for the cost of 3 notebooks and 2 folders. Then, find the total cost, given that the notebooks are $1.69 each and the folders are $0.59 each.

Q8:

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.

Q9:

Consider the shown trapezoid.

Write an expanded expression for its area. Simplify the expression, if possible.

The given trapezoid is the cross section of a prism of length 2 π β 5 . Write an expanded expression for the volume of the prism. Simplify the expression, if possible.

Q10:

The given trapezoid is the cross section of the given prism of length 2 π β 5 .

Write an expanded expression for the volume of the prism. Simplify the expression, if possible.

Q11:

What is the area of a square of perimeter 7 π₯ ?

Q12:

Evaluate 2 Γ π if π = 8 .

Q13:

Evaluate 4 β π if π = 2 .

Q14:

Evaluate 7 Γ π if π = 4 .

Q15:

Evaluate 7 π if π = 6 .

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