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MATH 7 JEOPARDY REVIEW. Unit 1. What are the coordinates for of the following points? A___ B _____ E _____ G _____ K _____ H _____. Unit 1. What are the coordinates for of the following points? A(2,5) B (2,2) E (-6,-2) G (6,0) K (0,2) H (-5,2). Unit 2.

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slide1

MATH 7

JEOPARDY

REVIEW

slide2

Unit 1

What are the coordinates for of the following points?

A___ B _____ E _____ G _____ K _____ H _____

slide3

Unit 1

What are the coordinates for of the following points?

A(2,5) B (2,2) E (-6,-2) G (6,0) K (0,2) H (-5,2)

slide4

Unit 2

Place a decimal point in each sum without calculating. Show your thinking.

631.5 + 902.4 + 217.83 = 175173

slide5

Unit 2

Place a decimal point in each sum without calculating. Show your thinking.

631.5 + 902.4 + 217.83 = 175173

600 + 900 + 200 = 1700

The answer is 1751.73

slide6

Unit 3

Which pair of line segments is parallel?

slide7

Unit 3

Which pair of line segments is parallel?

A

slide8

Unit 4

What is 75% of 125?

slide9

Unit 4

What is 75% of 125?

93.75

slide10

Unit 5

Jorge tosses a coin and then rolls a four-sided die. Draw a tree diagram to show the sample space.

slide11

Unit 5

Jorge tosses a coin and then rolls a four-sided die. Draw a tree diagram to show the sample space.

slide12

Unit 6

List the factors of 16

slide13

Unit 6

List the factors of 16

1, 2, 4, 8, 16

slide14

Unit 7

What is the lowest common denominator of 6 & 8?

slide15

Unit 7

What is the lowest common denominator of 6 & 8?

24

slide18

Unit 9

What addition statement does each diagram represent?

slide19

Unit 9

What addition statement does each diagram represent?

(-2) + (+4) = (+2)

slide20

Unit 10

Study the pattern of rectangles made from toothpicks.

Draw the next rectangle in the pattern.

slide21

Unit 10

Study the pattern of rectangles made from toothpicks.

Draw the next rectangle in the pattern.

slide22

Unit 11

What equation does the following illustration represent.

3x + 2 = 8

slide23

Unit 11

What equation does the following illustration represent.

slide24

Unit 12

Order the data from smallest to largest.

State the mode and median.

13, 8, 9, 10, 8, 12, 12, 5, 8

___________________________________________

mode = ______      median = ______

slide25

Unit 12

Order the data from smallest to largest.

State the mode and median.

13, 8, 9, 10, 8, 12, 12, 5, 8

5, 8, 8, 8, 9, 10, 12, 12, 13

mode = 8      median = 9

slide26

Unit 1

Describe the following slide:

___ units _______

___ units _______

slide27

Unit 1

Describe the following slide:

2 units right

3 units down

slide28

Unit 2

A mechanic charges $45/hour to fix a car. If your car is in the shop for 7.5 hours and the parts cost $255.45 how much will the total bill be? Show your calculations.

slide29

Unit 2

A mechanic charges $45/hour to fix a car. If your car is in the shop for 7.5 hours and the parts cost $255.45 how much will the total bill be? Show your calculations.

7.5 x 45 + 255.45 = $592.95

slide30

Unit 3

What is line Q?

A. perpendicular bisectorB. base C. vertex D. angle bisector

slide31

Unit 3

What is line Q?

A. perpendicular bisectorB. base C. vertex D. angle bisector

slide34

Unit 5

A bowl has 10 peanuts: 3 salted, 2 barbecue flavoured, and unsalted. What is the probability of choosing a salted peanut?Give the probability of the favourable outcome as a fraction, a decimal, and a percent

slide35

Unit 5

A bowl has 10 peanuts: 3 salted, 2 barbecue flavoured, and unsalted. What is the probability of choosing a salted peanut?Give the probability of the favourable outcome as a fraction, a decimal, and a percent.

3/10 0.3 30%

slide36

Unit 6

Determine the greatest common factor for 24 & 32.

Factors of 32:

Factors of 24:

slide37

Unit 6

Determine the greatest common factor for 24 & 32.

Factors of 32: 1 , 2 , 4 , 8, 16, 32

Factors of 24: 1 , 2 , 3, 4 , 6, 8, 12, 24

GCF = 4

slide40

Unit 8

If a drum has a diameter of 38.5 cm, what length of wood is needed to make the frame? Show your answer to the nearest tenth of a unit.

slide41

Unit 8

If a drum has a diameter of 38.5 cm, what length of wood is needed to make the frame? Show your answer to the nearest tenth of a unit.

C =  × d

C = 3.14 × 38.5 cm

C = 120.89 cm

slide42

Unit 9

What addition statement do the integers in the diagram represent? Solve it.

slide43

Unit 9

What addition statement do the integers in the diagram represent? Solve it.

(-6) + (+5) = (-1)

slide44

Unit 10

Write an expression for the following question.

Peter has a piece of rope. Teng gives him another 3m of rope. What is the total length of rope that Peter now has?

slide45

Unit 10

Write an expression for the following question.

Peter has a piece of rope. Teng gives him another 3m of rope. What is the total length of rope that Peter now has?

r + 3 = P

slide46

Unit 11

Solve for x:

19 = x +6

slide47

Unit 11

Solve for x:

19 = x +6

X = 19

slide48

Unit 12

On a test out of 10, six students had scores of 10, 3, 9, 6, 6, and 8. Find the mean of their test scores.

slide49

Unit 12

On a test out of 10, six students had scores of 10, 3, 9, 6, 6, and 8. Find the mean of their test scores.

7

slide50

Unit 1

Describe the following transformation:

slide51

Unit 1

Describe the following transformation:

270 counter clockwise

slide52

Unit 2

1 – 1 + 27 ÷ 3 + 12 x 5 + 12

slide53

Unit 2

1 – 1 + 27 ÷ 3 + 12 x 5 + 12

1 – 1 + 9 + 60 + 12

81

slide54

Unit 3

Calculate the area of the figure shown below.

slide55

Unit 3

Calculate the area of the figure shown below.

A = B x H

A = 22cm x 12 cm

A = 264 cm

2

slide56

Unit 4

A plumber charges $45 to come and unplug a drain. If GST is 6%, calculate the total cost for the plumber.

slide57

Unit 4

A plumber charges $45 to come and unplug a drain. If GST is 6%, calculate the total cost for the plumber.

$45 x 0.06 = $2.70

$45.00 + $2.70

$47.70

slide58

Unit 5

The probability of an accident occurring is P(accident) = 0.28. What is the probability that an accident does not occur?

slide59

Unit 5

The probability of an accident occurring is P(accident) = 0.28. What is the probability that an accident does not occur?

0.72

slide60

Unit 6

Add or subtract. Write your answers in lowest terms.

=

=

slide61

Unit 6

Add or subtract. Write your answers in lowest terms.

=

=

slide62

Unit 7

Write a mathematical statement for each diagram. Then, solve. Write each answer in lowest terms.

slide63

Unit 7

Write a mathematical statement for each diagram. Then, solve. Write each answer in lowest terms.

slide64

Unit 8

Jana is preparing the area for a circular helicopter-landing zone. The circular zone measures 15 m across. Find the area of the landing zone.

slide65

Unit 8

Jana is preparing the area for a circular helicopter-landing zone. The circular zone measures 15 m across. Find the area of the landing zone.

A =  × r 2

A =  × 7.52

A= 176.6 m2

slide66

Unit 9

Using integer chips or addition statements, solve the following.

  • (-4) – (+3) =
  • (+5) – (-8) =
  • (-2) – (-6) =
slide67

Unit 9

Using integer chips or addition statements, solve the following.

  • (-4) – (+3) = (-7)
  • (+5) – (-8) = (+13)
  • (-2) – (-6) = (+4)
slide68

Unit 10

Substitute to find the value for each expression.

7 + 3y when y =7

when s = 40

slide69

Unit 10

Substitute to find the value for each expression.

7 + 3y when y =7

28

when s = 40

4

slide70

Unit 11

Write an algebraic expression for each word statement.

a) eight more than two times a number

b) six times a number, less 3

slide71

Unit 11

Write an algebraic expression for each word statement.

a) eight more than two times a number

2x + 8

b) six times a number, less 3

6x - 3

slide72

Unit 12

For the following set of data, rewrite the values from smallest to greatest, and determine the range, median, mode, and mean.

5, 10, 11, 5, 3, 14      

Ordered: ____________________

Range = ____________________

Median = ____________________

Mode = ____

Mean = ____

slide73

Unit 12

For the following set of data, rewrite the values from smallest to greatest, and determine the range, median, mode, and mean.

5, 10, 11, 5, 3, 14      

Ordered: 3, 5, 5, 10, 11, 14

Range = 11

Median = 7.5

Mode = 5

Mean = 8

slide74

Unit 1

Rotate rectangle ABCD 180 about point D.

What are the coordinates of point B\'?

slide75

Unit 1

Rotate rectangle ABCD 180 about point D.

What are the coordinates of point B\'?

B‘ – (3,1)

slide76

Unit 2

Add brackets to make each statement true.

6 + 3 x 0.2 + 0.4 ÷ 2 -1 = 2.2

slide77

Unit 2

Add brackets to make each statement true.

(6 + 3) x 0.2 + 0.4 ÷ (2 -1) = 2.2

slide78

Unit 3

Find the area of the following triangle:

slide79

Unit 3

Find the area of the following triangle:

A = b × h ÷ 2

A = 2.4m × 12m ÷ 2

A = 28.8 m

2

slide80

Unit 4

A radio is on sale at 35% off the regular price of $35.99. How much is the discount? How much will you pay including a 5% discount?

slide81

Unit 4

A radio is on sale at 35% off the regular price of $35.99. How much is the discount? How much will you pay including a 5% discount?

$35.99 x 0.35 = $12.60 (discount)

$35.99 - $12.60 = $23.39

$23.39 x 0.05 = $1.17

23.39 + $1.17 = $24.56

The radio will cost $24.56 after taxes.

slide82

Unit 5

State the probability of each outcome. Write each answer as a fraction, a decimal      anda percent.

1. You spin a spinner that has 5 equal sections: red, blue, green, yellow, and purple. The spinner stops at yellow.

2. A bag contains the letters C, D, D, A, S, T. You choose a D.

slide83

Unit 5

State the probability of each outcome. Write each answer as a fraction, a decimal      anda percent.

1. You spin a spinner that has 5 equal sections: red, blue, green, yellow, and purple. The spinner stops at yellow.

1/5 0.2 20%

2. A bag contains the letters C, D, D, A, S, T. You choose a D.

2/6 or 1/3 0.33 33.3%

slide84

Unit 6

Jason needs 7/9 of can of paint to finish the dog house he built. His father gives him a used can of red paint where 4/9 has been used.

Is there enough paint left in the can? If not, how much more does Jason need?

slide85

Unit 6

Jason needs 7/9 of can of paint to finish the dog house he built. His father gives him a used can of red paint where 4/9 has been used.

Is there enough paint left in the can? If not, how much more does Jason need?

No, he still needs 2/9 of a can of paint.

slide88

Unit 8

The grade 7s in Ms. Turner’s class surveyed all of the grade 7 students in Rocky Mountain Middle School. They wanted to find out which sports the grade 7s most enjoyed playing. The following circle graph shows the survey results.

1. What fraction of the students chose soccer as their favourite sport? Put in lowest terms.

2. What percent of the students chose sports that were not listed in the survey?

slide89

Unit 8

The grade 7s in Ms. Turner’s class surveyed all of the grade 7 students in Rocky Mountain Middle School. They wanted to find out which sports the grade 7s most enjoyed playing. The following circle graph shows the survey results.

1. What fraction of the students chose soccer as their favourite sport? Put in lowest terms.

1/4

2. What percent of the students chose sports that were not listed in the survey?

5%

slide90

Unit 9

A bird flies above the water at a height of 35 m. A fish swimming directly underneath the bird is 9 m below the surface of the water. Calculate the distance between the bird and the fish.

slide91

Unit 9

A bird flies above the water at a height of 35 m. A fish swimming directly underneath the bird is 9 m below the surface of the water. Calculate the distance between the bird and the fish.

44 m

slide92

Unit 10

Which graph represents the linear relation shown in the table of values?

slide93

Unit 10

Which graph represents the linear relation shown in the table of values?

slide94

Unit 11

Evan is sewing trim on a pair of shorts. He needs four equal length pieces of trim to put two stripes down each side of the shorts. The teacher gives him a piece of black trim that is 185 cm long. He measures and cuts 4 equal lengths. He ends up with a small piece of leftover trim that is 13 cm long. How long is each piece of trim?

a) Write an equation to represent this situation.

b) Solve the equation and check your answer.

slide95

Unit 11

Evan is sewing trim on a pair of shorts. He needs four equal length pieces of trim to put two stripes down each side of the shorts. The teacher gives him a piece of black trim that is 185 cm long. He measures and cuts 4 equal lengths. He ends up with a small piece of leftover trim that is 13 cm long. How long is each piece of trim?

a) Write an equation to represent this situation.

4x + 13 = 185

b) Solve the equation and check your answer.

X = 43

4(43) + 13 = 185

172 + 13 = 185

185 = 185

slide96

Unit 12

A Grade 7 class is surveyed. Each student is asked, “How many siblings (brothers and sisters) do you have?” The results are shown in the chart.

  • Determine the mean, the median, the mode, and the range.
  • b) Are there any outliers in the data?
slide97

Unit 12

A Grade 7 class is surveyed. Each student is asked, “How many siblings (brothers and sisters) do you have?” The results are shown in the chart.

  • Determine the mean, the median, the mode, and the range.
  • mean: 1.6 median: 1 mode: 1 range: 7
  • b) Are there any outliers in the data?7
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