Aussie Maths & Science Teachers: Save your time with SmarterEd
A survey was conducted that asked students how long it took them to travel to school. This graph show the results.
What percentage of students had a commute between 15-30 minutes?
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less that 25% |
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between 25% and 50% |
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between 50% and 75% |
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more than 75% |
`text(between 25% and 50%)`
`text(S)text{ection (15-30 minutes) is more than one quarter}`
`text(of the chart and less than half.)`
`:.\ text(between 25% and 50%)`
Anne taught a kindergarten class and asked her students what their favorite fruit is.
Their answers were used to draw the pie chart below.
Around a quarter of her students preferred which fruit?
`text(Banana)` | `text(Apple)` | `text(Mango)` | `text(Grapes)` |
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`text(Apple)`
`text(A quarter of students will represent a sector that)`
`text(is the size of a quarter of the circle.)`
`:.\ text(Apple)`
Kat went on holiday and spent her money on accomodation, meals and shopping.
She spent $1200 in total and the pie chart below shows how she spent it.
How much money did Kat spend on meals on her holiday?
`$260` | `$360` | `$300` | `$540` |
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`$300`
`text(Money spent on shopping)`
`= 30text(%) xx 1200`
`=$360`
`:.\ text(Money spent on meals)`
`=1200 – (540+360)`
`=$300`
Tom collected data on the number of big game animals in an African wildlife park.
This graph shows how many big game animals lived in the park.
There were 16 more elephants than rhinos in the wildlife park.
How many big game animals were in the park in total?
`80`
`text(Let)\ \ n = text(total big games animal in the park)`
`text(Elephants − Rhinos)` | `= 16` |
`7/20 n – 3/20 n` | `= 16` |
`4/20 n` | `= 16` |
`n` | `= (16 xx 20)/4` |
`= 80` |
Bradley's class were asked to choose their favourite colour among four choices.
How many students in Bradley's class chose green?
`7` | `8` | `9` | `10` |
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`7`
`text(S)text(ince red is one quarter of the pie chart,)`
`=>\ text(there are 20 students in Bradley’s class.)`
`:.\ text(Votes for green)`
`=20-(5+2+6)`
`=7`