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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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Outcomes

0580C2.1D

Construct simple expressions and set up simple equations.

0580E2.1D

Construct simple expressions and set up simple equations.

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