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real world two-step equations
5
EXIT SLIP
OBJECTIVE
Date
Class
Standard
42. If a plant grows 1/2 inch in 3/7 of a week, at what rate is the plant growing in one week?
Write a real world situation for the following expressions:
3a - 1 c + 2 w + 3
Notes
_
1
2
Essential Question
ESSENTIAL QUESTION
ESSENTIAL QUESTION
Draw and solve.
Why do I solve equations?
Solve. Show each step.
POP QUIZ
NO TALKING
4x + 3 - x = x - 7 3(x - 4) - x = 6 + 4x
Makeida buys a $425 guitar for $340. What percent discount did she get?
An online DVD company charges $15 a month for unlimited rentals. Determine whether the total paid is proportional to the number of months.
3 6
4 8
5 10
6 12
An equation is like a sentence.
Real World two-step
hw 40
1 4
2 8
3 12
4 16
Write and solve two-step equations.
MAFS.7.EE.2.4
Half of your baseball card collection got wet and was ruined. You bought 11 more cards. How many did you begin with if you now have 24?
Ricardy's glass is half full of eggnog. He adds 3 ounces of eggnog and now has 9 ounces. How many ounces does his glass hold?
Ashsteve’s Bikes rents bikes for $10 plus $4 per hour. Jason paid $30 to rent a bike. For how many hours did he rent the bike?
Name
Date
Period
Group Name
CLASSWORK
All students will advance at least one level.
A wise man once said, "500 reduced by 4 times my age is 232." What is his age?
Mult, Divide Decimals
cw 32
Mike had $24 to spend on five pens. After buying them he had $4 left. How much did each pen cost?
Of the 15 people attending a lecture, 3 have blue eyes.
What is the probability that a randomly selected person will have blue eyes?
P(blue) =
Solve for x.
4x - 3 = 13 + 1 = 5
_
x
2
A spinner has 5 equal sections, of which 3 are red.
If you spin the spinner once, what is the probability that it will land on a red section?
P(red) =
Solve for n.
9 = -n - 5 + 9 = 7