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Grade 8 Activity
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This is numbers without variables
Constants
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What measure represents the most frequently occurring value in a data set?
Mode
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What is the mean of the following numbers: 2, 4, 6, 8, 10?
6
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What type of expression is x - 4?
Binomial
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What is the median of an even number of values?
The average of the two middle values
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In 2x + 5y - 8, which term is the constant?
-8
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Calculate the mode: 3, 4, 4, 5, 5, 5, 6, 6
5
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What is the median: 15, 18, 22, 24, 28, 32
23
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What is the mode of: 2, 3, 4, 5, 6?
No mode
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What is the degree of the expression 3x^2y?
2
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What is a combination of variables, numbers and operations?
Algebraic Expression
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If a data set has two modes, it is called:
Bimodal
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Identify the constant in the expression 4y - 12
- 12
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Find the median: 31, 33, 35, 37, 39, 41
36
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What is the median of the following numbers: 15, 22, 8, 12, 18?
15
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What type of expression is 5x?
Coefficient/ Monomial
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This are letters representing unknown values
Variables
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What is the mean of: 16, 20, 24, 28, 32?
24
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Find the median: 31, 35, 37, 33, 39, 41
36
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Calculate the mean of: 25, 30, 35, 40, 45, 50
37.5
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Is 3x^2 and 2x^3 is a like term?
No
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What is the mean: 15, 18, 20, 22, 25
20
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If you arrange the numbers 15, 18, 12, 21, 24 in order, the median is:
18
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Calculate the mean: 45, 50, 55, 60, 65
55
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In a data set, which measure of central tendency is most affected by extreme values?
Median
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What is the mode of: 7, 7, 8, 9, 10, 7, 8?
7
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This is numbers multiplied by variables
Coefficients
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In the expression 3x + 5, what is the coefficient?
3x
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