Font size
Worksheetsreview grade 7
Total questions: 199
Worksheet time: 9hrs 40mins
What is the probability of something that is CERTAIN TO HAPPEN?
1
2
0
What is the probability of something that is IMPOSSIBLE TO HAPPEN?
0
1
100%
A bag has 3 red marbles, 2 blue and 4 yellow. What is the theoretical probability of pulling a red?
3/10
3/9
1/9
1/3
Find the probability of rolling a 7 on a single die.
1/6
7/6
0
7/7
5 green
6 yellow
8 blue
7 brown
If you roll one die, what is the probability of getting an even number or a multiple of 3? Are the events mutually exclusive or not?
Not mutually exclusive
Mutually exclusive
If you are picking a card randomly from a deck of cards, the events of picking an ace and picking a ‘3’ are mutually exclusive.
True
False
If you are picking a card randomly from a deck of cards, the events of picking a jack and picking a heart are mutually exclusive.
True
False
When rolling a single die, the events of rolling an even number and rolling a ‘5’ are mutually exclusive.
True
False
6. Rolling a prime number and rolling an even number on a normal six-sided die are
Mutually exclusive
Not mutually exclusive
A packet of sweets contain strawberry, orange, mango, and apricot flavors. Randy picks a sweet out of the packet at random. If the probability of getting strawberry flavor is 0.32, the probability of getting orange flavor is 0.2, and the probability of getting apricot flavor is 0.25.
What is the probability that he gets mango sweet?
0.21
0.23
0.33
1
George is conducting a survey to determine if corn dogs should be sold in the school cafeteria. Which sampling method will give him the best results?
Interview randomly selected vegetarian students
interview randomly selected students at waffle house
interview randomly selected students who bring a lunch box
interview randomly selected students who eat lunch in the cafeteria
Bob and Stacey survey a total of 215 students about their favorite flavors of milk shakes. The table shows the results of the survey.
About half of the students surveyed preferred chocolate milk shakes.
About 25% of students prefer strawberry milk shakes.
The majority of the students surveyed prefer either strawberry or vanilla milk shakes.
There are 28 more students who prefer vanilla to chocolate milk shakes.
A random sample of shoppers at Food Lion are asked the question, "If there is no difference in cost, would you prefer to buy organic or non-organic produce?" The table shows the results. Which statement is a correct inference from this data?
There is no difference between growing produce organically or inorganically.
Shoppers at Food Lion have no preference regarding organic or non-organic produce.
Organic produce is better for the environment
In general, shoppers at Food Lion prefer organic produce.
A random sample of moviegoers are surveyed to determine what types of movies they enjoy most. The table lists the results.
Based on the survey, which double-feature combination would pull in the largest audience?
children's movie and a documentary
comedy and a romantic movie
action movie and a documentary
adventure movie and a children's movie
Lenny surveys a random sample of shoppers at a grocery store. He conducts his survey on Saturday morning. The survey consists of a single question: "What mode of transportation did you use to travel to the grocery store this morning?" The table shows the results.
Very few shoppers use a car to travel to the grocery store
The majority of shoppers walk to the grocery store
Saturdays are busier at the grocery store than Tuesdays
More shoppers typically take the bus than ride their bikes.
The manager of a school cafeteria took a random survey of students to find out what kind of fruit students prefer. The results are shown in the table. Based on the results, what type of fruit is most popular overall?
apples
bananas
grapes
oranges
The box and whisker plot shows the scores in a science test of two classes. Based on the distribution of data, which observation is NOT correct?
The median score of both the classes is the same
The minimum score of both the classes is the same
Both the classes have the same value for the first quartile
Both the classes have the same value for the third quartile.
The table shows the quantity of licorice sold versus the quantity of snow caps sold at the movie theater Wednesday through Sunday. What is the difference between the median number of licorice sold and the median number of snow caps sold.
20
11
5
2
Basketball teams play 12 games each season. Two teams track their scores for each game. Which statement can be determined using the data in the line plots?
The data from the Bulls shows more variation
The data from the Spartans shows more variation
The data from the Bulls and Spartans scores shows the same variation
Not enough information is given to determine variation
The dot plots show a random sample of two video game players' scores. What can be inferred from these data?
Player 1 is a more consistent video game player than Player 2
Player 1 is a more experienced video game player than Player 2
Player 2 is a more consistent video game player than Player 1
Player 2 is a more experienced video game player than Player 1
Martha is tossing a fair coin. She tosses the coin twenty times, and it lands on heads sixteen times. If Martha tosses the coin a twenty-first time, what is the probability that it will land on tails.
54
52
21
51
If a spinner is spun once, what is the probability it will land on "X"?
53
51
73
83
A jar contains marbles of different colors. The probability of drawing a red marble at random is 2/10.
What is the probability and likelihood that the marble drawn is NOT red?
53 ; likely
54 ; likely
53 ; unlikely
54 ; unlikely
The probability of an event is 6/8. Which word best describes the probability?
certain
impossible
likely
unlikely
What is the probability of spinning an even number?
certain
impossible
equally likely
less likely
In a classroom of 28 students, 12 students are girls. If a student is selected randomly, what is the probability that the student is a boy?
75
74
73
72
Pedro is conducting an experiment. He is flipping a fair coin and recording how many times it lands on heads and how many times it lands on tails.
Which statement regarding the experimental and theoretical probability is true?
The experimental probability should get closer to the theoretical probability as Pedro conducts more experiments.
The experimental probability should get further from the theoretical probability as Pedro conducts more experiments.
The experimental probability should stay the same distance from the theoretical probability as Pedro conducts more experiments.
The number of experiments Pedro conducts will not affect the experimental probability.
What is the probability that the arrow will land on a section labeled with a number less than 4?
83
21
85
43
A factory makes cars. The table shows the estimated probabilities the factory makes 1, 2, or 3 defective cars on any given day.
What is the probability the factory makes less than 2 defective cars per day?
0.22
0.31
0.47
0.78
If a student spins the spinner and flips a fair coin at the same time, what is the probability that the spinner lands on red, and the coin lands on tails?
61
31
32
65
What is the P( not purple) on this spinner?
2/5
1/5
4/5
3/5
What is the probability of spinning an even number?
16 2/3%
33 1/3%
50%
75%
What is the probability you will choose either a black or white marble?
Find the probability that all flips will land on tails.
A bag has 3 red marbles, 2 blue and 4 green and 1 yellow. What is the theoretical probability of pulling a red?
3/10
3/9
1/9
1/3
Can a bearing be measured for a single point ?
Yes
No
Not Always
In some cases
Can a bearing be measured counter-clockwise?
Yes
No
Not Always
Sometimes
the correct bearing?
What is the bearing
215
035
30
145
What is
the Bearing
of C
from A?
What is
the Bearing
of A
from B?
What is
the Bearing
of A
from C?
Choose the correct true bearing
75
255
195
075
Choose the correct true bearing
62
062
332
152
Write the bearings of O from A
125
055
035
305
Write the bearings of A from O
125
055
035
305
What is
the Bearing
of B
from A?
Find the true bearing of C from A.
25°
025°
20°
020°
what is the true bearing of A from B
50
050
140
320
Choose the correct bearing of A from O
30
030
300
330
Write the bearing of B from A.
(a)
Write the bearing of D from C
(a)
Find the bearing of F from E.
(a)
Find the bearing of H from G.
(a)
Find the bearing of A from B.
(a)
Work out the bearing of B from P.
060°
140°
220°
300°
Find the bearing of A from B.
(a)
A ship is sailing at a bearing of 324° when it receives an order to change course to due East. Through how many degrees should it turn?
036°
090°
126°
234°
calculate the actual length (in meters) if the drawing size is 18 cm and the scale is 1:25.
calculate the actual length (in meters) if the drawing size is 15 mm and the scale is 1:100.
calculate the actual length (in meters) if the drawing size is 60 cm and the scale is 2:15.
calculate the drawing size (in centimeters) if the actual size is 10 m and the scale is 1:50.
calculate the drawing size (in centimeters) if the actual size is 2 km and the scale is 1:2000.
calculate the drawing size (in centimeters) if the actual size is 1.2 m and the scale is 1:10.
calculate the scale if the drawing size is 25 cm and the actual size is 5 m
calculate the scale if the drawing size is 75 cm and the actual size is 450 m
calculate the scale if the drawing size is 8 cm and the actual size is 16 m
this figure -1 shows the plan of a room drawn to a scale of 1:150, calculate the actual length BC in the room. (write the correct unit on your answer)
this figure shows the actual size of a park. Calculate the drawing size of AC if we use scale 1:250. (write the correct unit on your answer)
calculate the actual length of the scooter if the scale is 1:15. (write the correct unit on your answer)
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
P(green) =
Drawing a red card from a standard deck of cards
*Remember to simplify.*
What is the probability that you choose blue? *simplify
5 green
6 yellow
8 blue
7 brown
8/26
4/13
8/25
1/3
What is the probability of spinning a 2 on the spinner?
1/2
1/3
1/8
1/4
A box has 3 limes, 5 grapes, and 2 oranges.
P (NOT lime)
3/10
30%
7/10
Answer Not Here
Relfect the image over the y-axis and then translate it 4 to the right and down 3. Which quadrants will the image be located in?
Quadrant I and II
Quadrant II and III
Quadrant III and IV
Quadrant I and IV
y = mx + c
y = mx + c
a + b = c
a + b = c + d
A = lw
N = (180 + x)/2
C = 2πr
A = πr2
Find the measure of angle 4
Angles on opposite sides of the transversal, each inside the parallel lines, each touching a different parallel line...
Corresponding
Alternate Interior
Alternate Exterior
Vertical
Opposite angles formed when to lines cross...
Vertical
Corresponding
Alternate Interior
Alternate Exterior
What kind of relationship is between 1 & 12?
Alternate Interior
Vertical
Alternate Exterior
Corresponding
Angle 3 & 7 have what relationship?
Alternate Interior
Alternate Exterior
Corresponding
Supplementary
Vertical
Same Side Interior Angles...
Are congruent
Add up to 180
Are equal
Have no relationship
Add up to 90
For Alternate Interior angles to be congruent...
The transversal has to cut through two lines
There has to be a transversal cutting a line
The transversal has to cut through two parallel lines
All lines have to be parallel
For Alternate Interior angles to be congruent...
The transversal has to cut through two lines
There has to be a transversal cutting a line
The transversal has to cut through two parallel lines
All lines have to be parallel
Angle 7 and 15 are...
Same side interiors
Corresponding
Alternate Interiors
Supplementary
Angle 33 and 32 are...
Supplementary
Corresponding
Complementary
Alternate Interiors
Angle 8 & 15 have what type of relationship?
Alternate Exterior
Alternate Interior
Corresponding
Vertical
There is no relationship
What is standard form?
Writing numbers as a
calculator writes numbers
A system of writing
very large or very small numbers
Writing numbers as decimals
True or False:
When writing
a number in standard form,
the first number must be
greater than 1 but less than 10.
FALSE
TRUE
True or False:
13.7 × 103 is written in standard form.
True
False
What is 6.7 × 104 written
as an ordinary number?
67000
6700
670000
0.00067
What is 3 × 10-2 written
as an ordinary number?
300
3000
0.03
0.3
What is 45,000 written in standard form?
45 × 103
4.5 × 104
4.5 × 103
What is 0.00051
written in standard form?
5.1 × 10-4
51 × 10-4
5.1 × 10-5
What is 162 × 103
written in standard form?
1.62 × 106
1.62 × 105
162,000
Calculate
(6 × 102) + (3 × 103)
Give your answer in standard form.
3.6 × 102
3.6 × 103
3,600
Calculate
(12 × 103) ÷ (4 × 101)
Give your answer in standard form.
3 × 102
300
3 × 104
Graph 2x + 4y = 4
-x + 2y = 3
2x - 5y = 1
y = 4 + 2x
y = -x - 5
5 - y = -3x
x + y = 4
x - y = -3
y = 4 + x
x = 5y + 5
