Year 8
Generalising arithmetic sequences through tracking calculations
Year 8
Generalising arithmetic sequences through tracking calculations
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Lesson details
Key learning points
- In this lesson, we will learn to use tracking calculations to generalise arithmetic sequences.
Licence
This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.
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4 Questions
Q1.
In a six column grid, the columns give us sequences that contain the multiples of ___.
1
4
5
Q2.
What are the first 5 terms in column a?
5, 6, 7, 8, 9
5, 9, 13, 17, 21
Q3.
What are the first 5 terms in the number sequence in column b?
8, 16, 24, 32, 40
8, 9, 10, 11, 12
Q4.
What are the tracking calculations for the five terms in column b?
5 x 1, 5 x 2, 5 x 3, 5 x 4, 5 x 5
8 x 1, 8 x 2, 8 x 3, 8 x 4, 8 x 5
3 Questions
Q1.
Look at the number grid shown on the right. Write down the column and row that match the tracking calculation 5 x 3 - 1
Row 1 Column C
Row 3 Column B
Row 3 Column E
Q2.
Look at the same number grid. Pick the tracking calculation that matches column E row 25.
5 x 24 + 1
5 x 25
5 x 25 - 1
Q3.
Look at the same number grid. Which column and row would 38 fall into?
Row 8 Column C
Row 9 Column B
Row 9 Column C