P4 Math: Patterns of Constant Increment

This question below is a P4 pattern question that is common in Section C.

The number of objects in each consecutive pattern have the same increment as before.


Figure 1 2 3 4 5
Toothpicks 9 16 23 30 (a)

a) How many toothpicks will there be in Figure 5?

b) In which figure will there be 212 toothpicks?


Did you know toothpicks were first used before toothbrushes were invented?

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