Aussie Maths & Science Teachers: Save your time with SmarterEd
Grace used sticks to create a pattern.
She used 4 sticks in her first shape, 7 sticks in her second shape and 10 sticks in her third shape.
How many sticks are needed for the next shape in Grace's pattern?
`9` | `10` | `11` | `13` |
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`13`
`text(Each shape adds an extra 3 sticks.)`
`=>\ text(Sticks in the next shape)`
`=10+3`
`=13`
Marcus hangs 2 pairs of pants on a line.
Any trousers next to each other share a peg.
He uses 3 pegs.
How many pegs would Marcus use to hang 5 pairs of pants?
`6`
`text(1 pair of trousers = 2 pegs)`
`text(2 pairs of trousers = 3 pegs)`
`text(3 pairs of trousers = 4 pegs)`
`vdots`
`text(5 pairs of trousers = 6 pegs)`