Addition Patterns

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What is a pattern in mathematics?

Back

A pattern in mathematics is a sequence of numbers or shapes that follows a specific rule or formula.

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How do you identify the next number in a numerical pattern?

Back

To identify the next number in a numerical pattern, determine the rule that governs the pattern (e.g., addition, subtraction, multiplication) and apply it to the last known number.

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What is skip counting?

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Skip counting is counting by a number other than one, such as counting by twos, fives, or tens.

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What is the word form of a number?

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The word form of a number is the way to express the number using words instead of digits.

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How do you convert a number into its word form?

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To convert a number into its word form, break it down into its place values and express each part in words.

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What is the difference between a sequence and a series?

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A sequence is an ordered list of numbers, while a series is the sum of the terms of a sequence.

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What is the rule for the pattern: 12, 15, ___, 21, ____, 27?

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The rule is to add 3, then 6, then 3, and so on, resulting in the missing numbers being 18 and 24.

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What is the next number in the pattern: 215, 315, 415, 515, 615, _____?

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The next number is 715, following the rule of adding 100.

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What is the next number in the pattern: 320, 340, 360, 380, 400, ___?

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The next number is 420, following the rule of adding 20.

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How do you find missing numbers in a pattern?

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To find missing numbers in a pattern, identify the rule of the pattern and apply it to the known numbers.