What is the median in a set of numbers?
ERMS 7A FSA Grade 7 Math Review

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Mathematics
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The median is the middle value when the numbers are arranged in order. If there is an even number of values, the median is the average of the two middle numbers.
2.
FLASHCARD QUESTION
Front
How do you calculate the population living in urban areas?
Back
To find the population living in urban areas, multiply the total population by the fraction that lives in urban areas. For example, if 70% of 320 million live in urban areas, calculate 0.7 * 320 million = 224 million.
3.
FLASHCARD QUESTION
Front
What does a scale of 2 cm : 3 in mean in a blueprint?
Back
It means that every 2 centimeters on the blueprint represents 3 inches in actual size.
4.
FLASHCARD QUESTION
Front
How do you calculate simple interest?
Back
Simple interest can be calculated using the formula: Interest = Principal x Rate x Time. For example, if you invest $300 at 4% for 1 year, the interest is $300 x 0.04 x 1 = $12.
5.
FLASHCARD QUESTION
Front
What are integers?
Back
Integers are whole numbers that can be positive, negative, or zero. Examples include -3, -2, -1, 0, 1, 2, 3.
6.
FLASHCARD QUESTION
Front
What is the difference between whole numbers and integers?
Back
Whole numbers are non-negative integers, including zero (0, 1, 2, 3, ...), while integers include both positive and negative whole numbers (-3, -2, -1, 0, 1, 2, 3).
7.
FLASHCARD QUESTION
Front
How do you find the average (mean) of a set of numbers?
Back
To find the average, add all the numbers together and then divide by the total number of values.
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