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1 Multiples Stage 4 Year 7 Press Ctrl-A ©2009 – Not to be sold/Free to use

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2 Multiples (Stage 3) Multiples of a number are numbers into which it can divide without a remainder, Example: List first six multiples of 3 1x3 3 2x3 3x3 4x3 5x3 6x3 6 9 12 15 18 42

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3 Multiples (Stage 3) Multiples of a number are numbers into which it can divide without a remainder, Example: List first five multiples of 4 1x4 4 2x4 3x4 4x4 5x4 8 12 16 20 42

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4 Multiples (Stage 3) Multiples of a number are numbers into which it can divide without a remainder, Example: List first six multiples of 5 1x5 5 2x5 3x5 4x5 5x5 6x5 10 15 20 25 30 42

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5 Multiples (Stage 3) Multiples of a number are numbers into which it can divide without a remainder, Example: List first six multiples of 21 1x21 21 2x21 3x21 4x21 5x21 6x21 42 63 84 105 126 42

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6 Circle Common Multiples Multiples (Stage 3) To find the Lowest Common Multiple (LCM) of two or numbers: 1.List the set of multiples of each number. 2.Find the smallest number common to both. Example: Find the LCM of 4 and 5. 4: 4, 8, 12, 16, 20, 24, 28, 32, 36, 40 5: 5, 10, 15, 20, 25, 30, 35, 40 Lowest Common Multiple = 20 42

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7 Circle Common Multiples Multiples (Stage 3) To find the Lowest Common Multiple (LCM) of two or numbers: 1.List the set of multiples of each number. 2.Find the smallest number common to both. Example: Find the LCM of 3 and 5. 3: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30 5: 5, 10, 15, 20, 25, 30, 35, 40 Lowest Common Multiple = 15 42

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8 Circle Common Multiples Multiples (Stage 3) To find the Lowest Common Multiple (LCM) of two or numbers: 1.List the set of multiples of each number. 2.Find the smallest number common to both. Example: Find the LCM of 3 and 2. 3: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30 2: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20 Lowest Common Multiple = 6 42

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