Generalising arithmetic sequences through tracking calculations

Generalising arithmetic sequences through tracking calculations

Lesson details

Key learning points

  1. In this lesson, we will learn to use tracking calculations to generalise arithmetic sequences.

Licence

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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
Correct answer: 6
Q2.
What are the first 5 terms in column a?
Correct answer: 5, 10, 15, 20, 25
5, 6, 7, 8, 9
5, 9, 13, 17, 21
Q3.
What are the first 5 terms in the number sequence in column b?
Correct answer: 8, 13, 18, 23, 28
8, 16, 24, 32, 40
8, 9, 10, 11, 12
Q4.
What are the tracking calculations for the five terms in column b?
Correct answer: 5 x 1 + 3, 5 x 2 + 3, 5 x 3 + 3, 5 x 4 + 3, 5 x 5 + 3
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
Correct answer: Row 3 Column C
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
Correct answer: 5 x 25 + 1
Q3.
Look at the same number grid. Which column and row would 38 fall into?
Correct answer: Row 8 Column B
Row 8 Column C
Row 9 Column B
Row 9 Column C

Lesson appears in

UnitMaths / Sequences