6. Algebra
iGCSE (2021 Edition)
6.03 Writing rules for relationships
Interactive practice questions
Which of the following rules describes the pattern below?
$3,6,12,24,48,\dots$3,6,12,24,48,…
Double the previous number.
A
Add three to the previous number.
B
Subtract two from the previous number.
C
There is no rule.
D
Easy
< 1min
Which of the following equations matches the rule "the value of $y$y is six less than the value of $x$x"?
Easy
< 1min
Yvonne has constructed the first four triangles of a pattern using matchsticks.
Medium
1min
Peter is making a sequence of shapes out of matchsticks.
Medium
1min
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