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Math Review Grade 7 Flashcards | StudBud
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Math Review Grade 7
Math Review Grade 7
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1
reflect the shape
A(-1,1)B(-4,-1)C(-2,-4)
A\degree(1,-1)B\degree(-1,-4)C\degree(-4,-2)
A\degree(-1,1)B\degree(-4,-1)C\degree(-2,-4)
A(1,-1)B(-1,-4)C(-4,-2)
2
Mean, Median, Mode
C
A
B
D
3
Solve for x.
30
1
29
31
4
Rotate the shape 90°
A
B
C
D
5
Expression or Equation?
Expression
Equation
6
Subtract the integers: -10 - (-10)
-20
-0
0
20
7
What are translations math?
A mirror image is created across a new axis.
An image is moved from Point A to Point B
An image is turned in a direction by a certain degree.
An image is enlarged or reduced
8
What is reflection math?
Moving a shape over a line
Moving a shape over a mirror line
Transfiguration
Looking at shapes in mirrors
9
NUMERICAL EXPRESSIONS VS EQUATIONS
NUMERICAL EQUATIONS INVOLVE MORE MATH.
NUMERICAL EXPRESSIONS ONLY USE NUMBERS AND OPERATIONS.
THEY ARE THE SAME EXACT THING
EQUATIONS HAVE NUMBERS, OPERATIONS, AND EQUAL SIGN
10
Solve for x.
88
72
68
98
11
Solve the equation.
p = 456
p = 43
p = 5
p = 9
12
Which of these numbers is NOT divisible by 4?
c) 1,254
d) 1,284
b) 1,228
a) 1,200
13
What is
a variable
in mathematics?
A mathematical expression that represents a fixed value.
A number that remains unchanged in a mathematical expression.
A quantity that can take on different values in a mathematical context.
An arithmetic operation used to perform calculations.
14
Calculate the mean
4.2
3.5
4
3.8
15
mean, median, mode
measures of experimental research
measures of central tendency
measures of descriptive research
measures of variance
16
Add Integers
-3
3
-13
13
17
A prime number is divisible by only two numbers, 1 and itself. True or false?
If your not paying attention choose this answer!
False
True
18
Solve for x.
1/27
3
9
27
19
Integer Word Problem
-58 degrees
58 degrees
10 degrees
-10 degrees
20
Calculate the median
38
29
32
31
21
Evaluate the following expression for x=3.5 3x
9.5
11.5
9
10.5
22
Solve for x.
600
1/60
6
1/6
23
Rotation in maths ...
is an image or shape shown as it would be seen in a mirror
is when the new shape is larger than the origional
is when an image has been turned at a specified angle.
is when an image has been moved from point A to point B
24
Translate the shape
IDK
(-9,7),(5,0),(8,7),(7,0)
Everything
(-3,2),(-2,2),(-2,3),(-4,3)
25
How do you calculate the
mode
average?
It is the most common number
Add all the numbers up, then halve it
It's the highest number
It's the lowest number
26
numerical coefficient
x
3
5
27
Which represents the variable in this math sentence?
=
45
3
v
28
Subtract the integers: 10 - (-10)
0
20
-20
-0
29
How do you calculate the
median
average?
The middle number
Put into number order, then find the middle number
Add the lowest number to the highest, then halve it
It's the most common number
30
Which number is exactly divisible by 3 and 5?
15
9
25
10
31
Add Integers
-2
2
-14
14
32
Solve the equation.
x = 24
x = 5
x = 80
x = 16
33
integer word problem
-10 feet
10 feet
2 feet
-2 feet
34
Add Integers
12
-24
18
-24
35
What is the method used to calculate the
mean
average?
Find the middle number
Add up all the numbers then divide by the amount of numbers
Add the highest number to the smallest then halve it
Find the highest number
36
An
equa
tion has something an expression doesn't have. It is.....
a constant
a variable
an operation symbol
an equals sign
37
Calculate the mode 55, 57, 62, 61, 16, 18, 57, 62, 16, 57
18
57
55
16
38
Divisibility rules
False
True
39
Calculate the range
4
3
5 − 1
2
40
What are the coordinates of point A?
(− 4, 4)
(4, −4)
(−4, −5)
(4, 4)
41
How do you calculate
range
?
Highest number take away smallest number
Highest number
Middle number
Lowest number
42
Solve the equation.
a = 7.75
a = 1,116
a = 105
a = 81
43
Expression or Equation?
Equation
Expression
