Ch.7 Checkpoints Percentages

Percent Increase or Decrease

Equations with Rational Coefficients

Proportions

10 10 10 10 10

20 20 20 20 20

30 30 30 30 30

40 40 40 40 40

Simplifying Expressions - 10

Simplify. Write answer in standard form.

Simplifying Expressions – 10

Histograms - 20

How many people surveyed reported that they have 6 or less people at dinner?

Histograms – 20

Simplifying Expressions - 30

Simplify. Write answer in standard form.

Simplifying Expressions – 30

Box Plots- 40

Create a box plot using the following data:

12, 10, 1, 8, 15

Box Plots – 40

1, 8, 10, 12, 15

0 3 6 9 12 15

Percentages - 10

A theater is 82% full. If the theater can seat up to 1,700 people, how many people are currently in the theater?

Percentages – 10

A theater is 82% full. If the theater can seat up to 1,700 people, how many people are currently in the theater?

1,394 people

Percentages - 20

Cathy has walked 14% of a 500 meter race. How many meters does she have left in the race?

Percentages – 20

Cathy has walked 14% of a 500 meter race. How many meters does she have left in the race?

430 meters

Percentages - 30

A car is on sale for $35,000. If sales tax is 9%, how much will the car cost in total?

Percentages – 30

A car is on sale for $35,000. If sales tax is 9%, how much will the car cost in total?

$38,150 total

Percentages - 40

A table is originally $850 but is on sale for 35% off. How much is the sale price?

Percentages – 40

A table is originally $850 but is on sale for 35% off. How much is the sale price?

$552.50

Percent Increase or Decrease - 10

Yusaku brought 200 books to a book sale and left with 80. What is the percent change?

Percent Increase or Decrease – 10

Yusaku brought 200 books to a book sale and left with 80. What is the percent change?

60% decrease

Percent Increase or Decrease - 20

Jamal has 4 dogs and adopts 1 more. What is the percent change?

Percent Increase or Decrease – 20

Jamal has 4 dogs and adopts 1 more. What is the percent change?

25% increase

Percent Increase or Decrease - 30

A lamp is priced to sell for $80. You haggle the price down to $32. What is the percent change?

Percent Increase or Decrease – 30

A lamp is priced to sell for $80. You haggle the price down to $32. What is the percent change?

60% decrease

Percent Increase or Decrease - 40

A farmer plants 525 tomato plants last year and this year she plants 700 the following year. What is the percent change?

Percent Increase or Decrease – 40

A farmer plants 525 tomato plants last year and this year she plants 700 the following year. What is the percent change?

33.3% increase

Eq’ns w/ Rational Coefficients - 10

Eq’ns w/ Rational Coefficients – 10

Eq’ns w/ Rational Coefficients - 20

Eq’ns w/ Rational Coefficients – 20

Eq’ns w/ Rational Coefficients - 30

Eq’ns w/ Rational Coefficients – 30

Eq’ns w/ Rational Coefficients - 40

Eq’ns w/ Rational Coefficients – 40

Proportions - 10

Proportions – 10

Proportions - 20

Proportions – 20

Proportions - 30

Proportions – 30

Proportions - 40

Proportions – 40