7th Math 2.19 A
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Last updated about 3 years ago
11 Nsɛmmisa
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Objective and Summary:
SWBAT write expressions and evaluate them with substitution
a) Write an expression for how much money all three brothers spend in total.
CFS:
#1: Writes accurate expression with appropriate variables
b) At Mancini's Movies, the brothers will be charged $6 for each popcorn and $3 for each soda.
Evaluate your expression from part a) to find the total cost if they went to this theater.
"The total cost at Mancini's Movies is..."
CFS:
#1: Accurately evaluates expression by using substitution
c) At Bizzell's Blockbusters, the brothers will be charged $4.10 for each popcorn and $4.50 for each soda.
Evaluate your expression from part a) to find the total cost if they went to this theater.
"The total cost at Bizzell's Blockbusters is..."
CFS:
#1: Accurately evaluates expression by using substitution
a) Write an expression for Mr. Kovalik's total cost if p represents the price of a PS5 and g represents the price of each game.
CFS:
#1: Writes accurate expression with appropriate variables
b) GameStop and Amazon are all sold out, but Mr. Kovalik finds a PS5 on ebay for $950. The games are $50 each.
Use your expression from part a) to find the total cost.
CFS:
#1: Accurately evaluates expression by using substitution
Substitute!--You are given the expression
CFS:
#1: Accurately evaluates expression by using substitution
Match--Which of the following expressions are equivalent?
Delicious--James is ordering lunch for his friends at El Paisa. Each mega quesadilla costs $6 and each torta costs $7.25.
a) Write an expression for how much money he will spend on the meal for any number of orders.
b) Use your expression in part a) to find the total cost if 3 people order mega quesadillas and 2 people order tortas. Make sure to show how you substitute.
a) Write an expression that describes the total amount of money the friends will spend on their meal if t represents the cost for a turkey sandwich and c represents the cost of a bag of chips.
CFS:
#1: Writes accurate expression with appropriate variables
b) Subway sells turkey sandwiches for $5.25 and chips for $1.20.
Quiznos sells turkey sandwiches for $5.15 and chips for $1.25.
Which shop should they go to?
**You must evaluate your expression in part a) using the costs given at each restaurant and SYW in Formative**
CFS:
#1: Accurately evaluates expressions by using substitution
