JEOPARJEOPARDYDY

Shaw’s Grade 9Shaw’s Grade 9

Equations Equations and and

InequalitiesInequalities

Define Define TimeTime

Whole # or Whole # or FractionFraction

Equation Equation ExpeditionExpedition

Inevitable Inevitable InequalitiesInequalities

Wordy Wordy WondersWonders

PotpourriPotpourri

$200 $200 $200 $200 $200 $200

$400 $400 $400 $400 $400 $400

$600 $600 $600 $600 $600 $600

$800 $800 $800 $800 $800 $800

$1000 $1000 $1000 $1000 $1000 $1000

This does not change the This does not change the value of the original value of the original

term. Ex: 5+0 = 5 or term. Ex: 5+0 = 5 or

4 x1 = 44 x1 = 4.

A statement formed A statement formed by two expressions by two expressions related by an equal related by an equal

signsign.

A mathematical A mathematical operation that undoes a operation that undoes a

related operationrelated operation.

A mathematical A mathematical statement that shows an statement that shows an inequality or equation inequality or equation

and the family of and the family of numbers to which the numbers to which the

variable belongsvariable belongs.

A mathematical A mathematical statement relating statement relating

expressions by using expressions by using one or more symbols one or more symbols

not including “=“not including “=“.

33xx+7=5+7=5.

44xx-16=32-16=32.

5(5(yy-3)=30-3)=30.

xx/3+9=36/3+9=36..

3(43(4yy-6)=47-6)=47.

Solve:Solve:

33xx+4=13+4=13.

Solve:Solve:1/31/3xx+5=9+5=9.

Solve:Solve:3/43/4xx+2=2/3+2=2/3.

.

.

22yy+3>7+3>7.

15<4+315<4+3xx.

22xx+7 +7 ≤ 5≤ 5xx+28+28.

2( 2( xx+4 ) > 6( +4 ) > 6( xx-12 )-12 ).

9( 9( yy-2 ) -2 ) ≥ 6( ≥ 6( yy+3 ) - 9+3 ) - 9.

The class attends an The class attends an opening of a movie. The opening of a movie. The bill for the 30 students is bill for the 30 students is $152.50 including a $25 $152.50 including a $25

surcharge. How much does surcharge. How much does 1 ticket cost?.1 ticket cost?.

Suzanne is 3 times older Suzanne is 3 times older than Dawn. Carlos is 5 than Dawn. Carlos is 5

years younger than Dawn. years younger than Dawn. The sum of their ages is 75. The sum of their ages is 75. Solve an equation to find Solve an equation to find

each persons ageeach persons age.

The perimeter of a triangle is The perimeter of a triangle is 93 centimeters. The diagonal of 93 centimeters. The diagonal of

a triangle is twenty-five a triangle is twenty-five centimeters more than its centimeters more than its

height. The base of the triangle height. The base of the triangle is seventeen centimeters more is seventeen centimeters more than its height. What are the than its height. What are the

dimensions of the triangle?dimensions of the triangle? ..

Cellular phone companies often package their Cellular phone companies often package their products to make them more attractive to potential products to make them more attractive to potential users. If you average 356 minutes per month in talk users. If you average 356 minutes per month in talk time, which package is the better deal.time, which package is the better deal.  Package A includes a free phone and 300 minutes. Package A includes a free phone and 300 minutes. It will cost 0.12 per minute for each minute over the It will cost 0.12 per minute for each minute over the plan time. Package A has a base rate of $39.95.plan time. Package A has a base rate of $39.95.  Package B has a phone that costs $10 and has 350 Package B has a phone that costs $10 and has 350 minutes of time and 0.08 per minute for each minutes of time and 0.08 per minute for each minute over the plan time. Package B has a base minute over the plan time. Package B has a base rate of $35.95 not including the phone. .rate of $35.95 not including the phone. .

Kim and Cyndi are starting a Kim and Cyndi are starting a business tutoring students in business tutoring students in math. They rent an office for math. They rent an office for

$400 per month and charge $40 $400 per month and charge $40 per hour per student.  If they per hour per student.  If they have 15 students each for one have 15 students each for one

hour per week how much profit hour per week how much profit do they make together in a do they make together in a

month? (assume 4 weeks per month? (assume 4 weeks per month)month) ..

Allison is 4 years older Allison is 4 years older than her sister. How old than her sister. How old

are they if the sum of their are they if the sum of their ages is greater than 12? ages is greater than 12?

(Create an inequality and (Create an inequality and solve)solve) ::

A rectangle has a perimeter A rectangle has a perimeter of at least 46 cm. Its base of at least 46 cm. Its base measures 5 cm more than its measures 5 cm more than its height. What are the height. What are the minimum dimensions? Is this minimum dimensions? Is this question modelled by an question modelled by an

equation or an inequality?equation or an inequality? ..

The perimeter of an isosceles The perimeter of an isosceles triangle is 23 cm. The base is 4 triangle is 23 cm. The base is 4 cm less than one of its other cm less than one of its other sides. What are the dimensions sides. What are the dimensions

of the triangle?of the triangle?..

Solve.Solve.1515xx – 7 – 7xx = –52 – 5 = –52 – 5xx..

Solve the equations represented Solve the equations represented by the tile modelsby the tile models::

xx xx x x x x

1

1

1

1

1

1

1

1

Thanks for Thanks for playing playing Shaw’s Shaw’s Fluids Fluids

Jeopardy!Jeopardy!

The states in which fluids The states in which fluids come in.come in.