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Number sequences and missing numbers

Dynamic tasks on increasing and decreasing sequences, step patterns and missing numbers.

Questions: 6Estimated time: 6 minutes
Number sequences and missing numbers
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Sample questions

  1. Enter the missing number: ___, ___, __, ___.
  2. Complete the sequence: ___, ___, __, ___.
  3. The numbers are consecutive: ___, ___, ___. Which number comes next?

Number sequences and missing numbers

A number sequence follows a rule. Numbers may increase or decrease by one, two or another constant step. Find the rule by comparing several pairs of neighbouring terms.

Finding a missing term

Read the complete sequence and check how each next number changes. Apply the same operation to the number before the blank, then verify it against the number after the blank. Identify both the direction and the size of the step.

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