Students in Year 7 were surveyed to find out how much time they spent studying each day.
How many students spent one hour or more studying each day?
`2` | `4` | `5` | `6` |
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Aussie Maths & Science Teachers: Save your time with SmarterEd
Students in Year 7 were surveyed to find out how much time they spent studying each day.
How many students spent one hour or more studying each day?
`2` | `4` | `5` | `6` |
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`6`
`text(Number of students studying ≥ 60 mins)`
`= 1 + 3 + 2`
`= 6`
A survey asked a group of high school students how much they spend on broadband each month.
The result were recorded in the table below.
In total, how many students in Year 9 and Year 10 had a monthly broadband spend of more than $20?
`33`
`text(Year 9-10 students who spend more than $20)`
`= 17 + 16`
`= 33\ text(students)`
This table summarises the time Tutty spent training her parrot over five days.
What was the average (mean) time for training the parrot each day?
`text(30 minutes)` | `text(56 minutes)` | `text(66 minutes)` | `text(280 minutes)` |
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`text(56 minutes)`
`text(Average)` | `= (25 + 55 + 60 + 94 + 46)/5` |
`= 280/5` | |
`= 56\ text(minutes)` |
Four students recorded the number of times they participated in different sports in one week in the table below.
In total, which sport was participated in the most times?
Swimming | Soccer | Tennis | Netball |
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`text(Swimming)`
`text(Times each sport was played:)`
`text(Swimming – 11)`
`text(Soccer – 10)`
`text(Tennis – 8)`
`text(Netball – 5)`
`:.\ text(Swimming was participated in the most.)`
The train travel times between major Australian cities are listed in the table below:
The train travel time from Melbourne to Adelaide is about 4 times the travel time from
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`text(Sydney to Melbourne)` |
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`text(Sydney to Canberra)` |
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`text(Canberra to Adelaide)` |
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`text(Canberra to Melbourne)` |
`text(Sydney to Canberra)`
`text(Melbourne to Adelaide is 733 minutes.)`
`=>\ text(Travel time needed)` | `~~1/4 xx 733` |
`~~183.25\ text(minutes)` |
`:.\ text{Sydney to Canberra (at 176 mins).}`
A school offers two sports during a summer term.
Students can either play hockey or water polo, but not both.
One-quarter of all the students play water polo.
How many girls play hockey?
`85`
`text(Water polo players = 40)`
`=>\ text(Total students)` | `= 4 xx 40` |
`= 160` |
`:.\ text(Girls playing hockey)`
`= 160 – (35 + 40)`
`= 85`
The school canteen collected data on the number of lunches that students ordered from the canteen in one given week.
What was the total number of lunches ordered for the week?
`189`
`text(Total number of lunches ordered)`
`= (1 xx 8) + (2 xx 6) + (3 xx 26) + (4 xx 4) + (5 xx 15)`
`= 8 + 12 + 78 + 16 + 75`
`= 189`
A school's drama class puts on a play over five nights.
The play is open to the public and the numbers of tickets sold are shown in the table below.
The cost of each ticket was $15.
What was the mean amount of money collected from ticket sales per night?
$ |
`$2850`
`text(Mean number of tickets sold)`
`= (210 + 170 + 180 + 170 + 220)/5`
`=190`
`:.\ text(Mean tickets sales)` | `= 190 xx 15` |
`= $2850` |
This table shows the number of people who visited a war memorial on weekdays over 4 weeks.
What was the mean (average) number of people who attended the war memorial on Fridays?
`22` | `26` | `27` | `28` |
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`26`
`text(Mean on Fridays)` | `=(22 + 32+28+22)/4` |
`=104/4` | |
`=26` |
This table shows the number of people who visited a war memorial on weekdays over 4 weeks.
Which day had the greatest total attendance over the 4 weeks?
`text(Monday)` | `text(Tuesday)` | `text(Wednesday)` | `text(Thursday)` |
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`text(Tuesday)`
`text(One strategy:)`
`text(At a glance, Thursday and Friday numbers look low.)`
`=>\ text(Checking total attendances on the 1st 3 days:)`
`text(Monday = 226)`
`text(Tuesday = 266)`
`text(Wednesday = 234)`
`:.\ text(Greatest total attendance on Tuesday.)`
10 of the tallest mountains in the United States are listed in the table below:
How much taller than Utah's tallest mountain is Colorado's tallest mountain?
`225\ text(metres)` | `227\ text(metres)` | `273\ text(metres)` | `330\ text(metres)` |
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`273\ text(metres)`
`text(Mount Massive – Kings Peak)`
`= 4398 – 4125`
`= 273\ text(metres)`
Spiro records the number of students who can play different instruments in his class.
He records the results in the table below.
Some students play more than one instrument.
What is the least number of girls that could be in Spiro's class?
`20` | `13` | `9` | `1` |
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`9`
`text(S)text(ince students can play more than 1 instrument,)`
`text(Spiro’s class could have only 9 girls since this is)`
`text(the largest number of girls that play any single)`
`text(instrument.)`
A soccer competition has six teams playing on the same day.
The table below shows the draw.
If no match ends in a draw, which of the following is possible?
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Tigers and Lions are the only teams that lose. |
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Lions and Cheetahs both lose. |
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Meerkats and Civets both win. |
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Lions, Leopards, Civets and Tigers all win. |
`text(Meercats and Civets both win.)`
`=>\ text(3 teams must win and 3 teams must lose.)`
`=>\ text(Teams playing each other cannot both lose).`
`:.\ text(Meerkats and Civets both winning is the)`
`text(only option that is possible.)`
Giselle does odd jobs around the house to earn pocket money.
She gets $3 per job.
The table below shows all the jobs she did in one week.
If Giselle does the same jobs for two weeks, how much money will she earn altogether?
`$12` | `$24` | `$36` | `$72` |
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`$72`
`text(Total jobs in 1 week)`
`= 7 + 3 + 2`
`= 12`
`:.\ text(Money earned in 2 weeks)`
`= 2 xx (12 xx 3)`
`= 2 xx 36`
`= $72`