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Oct 24, 2015 · It's safe to call 'a set of three' or whatever number you want. Why? Because if the context is not clear, it may sound odd. Here is the list of, for example, set of 'three' in various cases. Note that for each condition, the word is different. While for three kids delivered it's triplet, for a card game, it would be 'trio.'
Nov 7, 2024 · A set of two numbers or objects linked in some way is said to be a pair. The pair a and b is usually denoted (a, b), and is generally considered to be ordered, making it a 2-tuple. In certain circumstances, pairs are also called brothers or twins.
Feb 10, 2015 · A “ballerina” is called that because, wait for it, two 2s sound like “tutu.”. Hey, we didn’t say this was rocket science. A 4-5 combination is called a “Jesse James” because the ...
Illustrated definition of Pair: Two together. Often with something in common. Example: 12,7 is a pair of numbers
Oct 29, 2024 · The key characteristic of a number pair is that the two numbers are not identical, yet they share a common property or feature that sets them apart from other numbers. For instance, the number pair (2, 4) is a simple example of a number pair, where the two numbers are related by the fact that 2 is half of 4.
A mapping diagram connects the related numbers using arrows, with the first entry (or input) on the left side and the second entry (or output) on the right side. The pair \((0,1)\) means "0 is related to 1", so we draw an arrow from 0 pointing to 1, and the pair \((0, 2)\) means "0 is related to 2", so we also draw an arrow from 0 pointing to 2.
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When calculating the sum of two or more numbers, the numbers ending with 5 or 0 are always easy to work with. Examples: $65 + 15 = 80$ Also, the number pairs that add up to a multiple of 10 (or a number ending with 0) also make the addition easier. A pair of numbers ending with 1 and 9, 2 and 8, 3 and 7, 4 and 6, 5 and 5 are compatible.
