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Mean, median, and mode are all types of averages. Together with range, they help describe the data. Definitions: Mean - When people say "average" they usually are talking about the mean. You can figure out the mean by adding up all the numbers in the data and then dividing by the number of numbers.
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A Maths Dictionary for Kids is an online math dictionary for students which explains over 955 common mathematical terms and math words in simple language with definitions, detailed visual examples, and online practice links for some entries.
- Addition Is ...
- Subtraction Is ...
- Multiplication Is ...
- Division Is ...
- A Fraction Is ...
- A Percentage Is ...
- Average (Mean) Is ...
... bringing two or more numbers (or things) together to make a new total. The numbers to be added together are called the "Addends":
... taking one number away from another. Minuend − Subtrahend = Difference Minuend:The number that is to be subtracted from. Subtrahend:The number that is to be subtracted. Difference: The result of subtracting one number from another.
... (in its simplest form) repeated addition. Here we see that 6+6+6 (three 6s) make 18: It can also be said that 3+3+3+3+3+3 (six 3s) make 18 But we can also multiply by fractions or decimals, which goes beyond the simple idea of repeated addition:
... splitting into equal parts or groups. It is the result of "fair sharing". Division has its own special words to remember. Let's take the simple question of 22 divided by 5. The answer is 4, with 2left over. Here we see the important words: Which can also be in this form:
... part of a whole. The top part (the numerator) says how many parts we have. The bottom part (the denominator) says how many parts the whole is divided into. See Fractionsfor more details.
... parts per 100. The symbol is % Example: 25% means 25 per 100 (25% of this box is green) See Percentagesfor more details.
... the sum divided by the count. We calculate the average by adding up all the values, then divide by how many values. See Meanfor more details.
Illustrated Mathematics Dictionary. Easy-to-understand definitions, with illustrations and links to further reading. Browse the definitions using the letters below, or use Search above.
Feb 18, 2020 · Look up unfamiliar definitions in this math dictionary for kids. It covers arithmetic, algebra, geometry, statistics, and trigonometry.
Jun 1, 2023 · < and > are symbols representing one number being ‘greater than’ or ‘less than’ another. For example 16 > 8 or 8 < 16 says that 16 is greater than 8 and 8 is less than 16. 12-hour and 24-hour clock. The 12-hour clock goes from 1 am in the morning to 12 noon and from 1 pm in the afternoon to 12 midnight. This is known as ‘analogue’ time.
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The mean is the most commonly used measure of average close. To calculate the mean, add the values together and divide the total by the number of values.
