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Key Stage 3 Mathematics Key Facts Level 6

Key Stage 3 Mathematics Key Facts Level 6. Number and Algebra Adding and Subtracting Fractions Finding the nth term. Level 6. 2 3. 2 11. +. =. A common multiple of 3 and 11 is 33, so change both fractions to equivalent fractions with a denominator of 33. 22 33. 6 33. +. 28 33.

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Key Stage 3 Mathematics Key Facts Level 6

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  1. Key Stage 3MathematicsKey FactsLevel 6

  2. Number and Algebra Adding and Subtracting Fractions Finding the nth term Level 6

  3. 2 3 2 11 + = A common multiple of 3 and 11 is 33, so change both fractions to equivalent fractions with a denominator of 33 22 33 6 33 + 28 33 =

  4. 2 3 1 4 - = A common multiple of 3 and 4 is 12, so change both fractions to equivalent fractions with a denominator of 12 8 12 3 12 - 5 12 =

  5. Now try these: • 2/3 + 1/8 • 7/8 – 1/6 • 2/7 + 1/9 • 4/9 – 1/5 • 6/7 – 2/3 • 2/9 + 1/3 • 3/8 + 1/10

  6. 7 14 21 28 35 7 7 7 7 How does it compare to the 7 times table? Find the nth term of this sequence 6 13 20 27 34 7 Which times table is this pattern based on? Each number is 1 less nth term = 7n - 1

  7. 9 18 27 36 45 9 9 9 9 How does it compare to the 9 times table? Find the nth term of this sequence 6 15 24 33 42 9 Which times table is this pattern based on? Each number is 3 less nth term = 9n - 3

  8. Now try to find the nth term for these sequences • 9 13 17 ……. • 13 20 27 …… • 8 11 14 …… 7 15 23 31 …..

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