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Math is Fun addition tips and tricks 2
compensation and doubling
5048 arithmetic sequence
An arithmetic sequence is made by adding the same value each time. The value added each time is the common difference.
6266 cardinal, ordinal and nominal number
A cardinal number says how many of something there are. An ordinal number tells the position of something in a list. A nominal number is a number used like a name.
8948 dimension
The number of dimensions is how many values are needed to locate points on a shape.
5044 least common denominator
The denominator is the bottom number in a fraction. It shows how many equal parts the item is divided into.
8951 metric length
We can measure how long things are, or how tall or how far apart they are. The meter is the basic measurement of length in the metric system. How far is it across this patch of grass?
5046 Prime and Composite Number
○ It is a prime number when it can't be divided evenly by any number except 1 or itself. ○ prime, composite, whole, factor, fraction
8949 Quick Math Index
arithmetic, geometry, algebra, exponentiation, logarithm, trigonometry, calculus, topology
5043#4758 Roman numeral
The Romans showed numbers into the thousands using these 7 symbols: I for 1, V for 5, X for 10, L for 50, C for 100, D for 500 and M for 1000.
5045 triangles
Equilateral, Isosceles and Scalene
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