The tallest living giraffe is measured at five thousand, seven hundred and eight millimetres tall.
Write this as a number in the box below
millimetres
Aussie Maths Teachers: Save your time with SmarterMaths
The tallest living giraffe is measured at five thousand, seven hundred and eight millimetres tall.
Write this as a number in the box below
millimetres
`5708 \ text{millimetres}`
`5708 \ text{millimetres}`
The exact length of great white shark is measured as five thousand and ninety six millimetres.
Write this as a number in the box below
millimetres
`5096 \ text{millimetres}`
`5096 \ text{millimetres}`
Eric owns a book which has more than 258 pages but less than 285 pages
Which of these could represent the number of pages in Eric’s book?
287  294  249  262 




`262`
`text{Check each option:}`
`text{287 is more than 285 ⇒ incorrect}`
`text{294 is more than 285 ⇒ incorrect}`
`text{249 is less than 258 ⇒ incorrect}`
`text{262 is more than 258 and less than 285 ⇒ correct}`
Idriss thinks of a number.
He writes these clues for his classmates.
What is Idriss' number?
`363`  `447`  `477`  `665` 




`447`
`text(By elimination:)`
`text(Number is between 300 and 500)\ => \ text(Eliminate 665.)`
`text(Ten's digit = hundred's digit)`
`=>\ text(Eliminate 363 and 477.)`
`:.\ text(Number must be 447.)`
Fatima thinks of a number.
She writes these clues so her friends can guess it.
What is Fatima's's number?
`355`  `808`  `883`  `992` 




`992`
`text(By elimination:)`
`text(Number is even)\ =>\ text(Eliminate 355 and 883)`
`text(Ten's digit = hundred's digit)`
`=>\ text(Eliminate 808.)`
`:.\ text(Number must be 992.)`
Yasmine thinks of a number.
She writes these clues so her friends can guess it.
What is Yasmine's number?
`655`  `606`  `737`  `779` 




`737`
`text(By elimination:)`
`text(Number is odd)\ \ =>\ \ text(Eliminate 606)`
`text(One's digits = hundred's digit)`
`=>\ text(Eliminate 655 and 779.)`
`:.\ text(Number must be 737.)`
Which of these has the same value as 6.37?

`6 + 3/100 + 7/10` 

`600 + 30 + 7` 

`6 + 3/10 + 7/100` 

`600 + 37/100` 
`6 + 3/10 + 7/100`
`6.37 = 6 + 3/10 + 7/100`
In which one of these numbers does the numeral 4 represent 4 hundreds?
`4289`  `241`  `6427`  `104` 




`6427`
`6427`
`text(In this number:)`
`6 > text(thousands)`
`4> text(hundreds)`
`2 > text(tens)`
`7 > text(ones)`
In which one of these numbers does the numeral 3 represent 3 hundreds?
`1304`  `213`  `837`  `3764` 




`1304`
`1304`
`text(In words, this number is:)`
`text(One thousand, three hundred and four.)`
Arnie competed in the World Championship for the most pushups in one hour.
He completed two thousand and eighty six pushups in one hour.
The number of pushups can be written as:
`286`  `2806`  `2086`  `20\ 086` 




`2086`
`text(Two thousand and eighty six contains:)`
`=>\ text(2 “thousands”)`
`=>\ text(0 “hundreds”)`
`=>\ text(8 “tens”)`
`=>\ text(6 “ones”)`
`:. 2086`
A company has 3208 exercise books in a warehouse.
Another 731 exercise books are delivered to the warehouse.
Which of these could be used to calculate the correct number of exercise books in the warehouse?

3000 + 200 + 700 + 80 + 30 + 8 + 1 

3000 + 200 + 700 + 30 + 8 + 1 

3000 + 7000 + 200 + 300 + 8 + 1 

3000 + 200 + 700 + 80 + 30 + 1 
`3000 + 200 + 700 + 30 + 8 + 1`
`3208 + 731`
`= (3000 + 200 + 8) + (700 + 30 + 1)`
`= 3000 + 200 + 700 + 30 + 8 + 1`
Candice goes for a run. The exact distance she runs is ten thousand, one hundred and eight metres.
Write this as a numbers in the box below:
metres 
`10, 108`
`10, 108`
In one month, a factory makes two thousand, nine hundred and eight tennis balls.
Write this as a numbers in the box below:
tennis balls 
`2908`
`2908`
Which one of these gives an answer of 63?
60 + 13  6 + 3  50 + 3  50 + 13 




`50 + 13`
`50 + 13 = 63`
Which of these pairs of numbers has a difference of 23?
`28 and 51`  `23 and 33`  `23 and 32`  `39 and 52` 




`28 and 51`
`51  28 = 23`
`:. 28 and 51`
Which of these pairs of numbers has a difference of 19?
`19 and 91`  `39 and 48`  `58 and 77`  `69 and 79` 




`58 and 77`
`77  58 = 19`
`:. 58 and 77`
`6 +`  `+ 19 = 52` 
`27`
`text(Deduct 6 and 19 from both sides:)`

`=52  6  19` 

`=52  25` 

`=27` 
`12 +`  `+ 5 = 48` 
`21`
`text(Deduct 12 and 15 from both sides:)`

`=48  12  15` 

`=48  27` 

`=21` 
`16 +`  `+ 9 = 44` 
`19`
`text(Deduct 16 and 9 from both sides:)`

`=44  16  9` 

`=19` 
`3 xx` 

`= 87` 
What number makes the above number sentence correct?
`19`  `29`  `84`  `361` 




`29`
`3 xx 29 = 87`
`3 xx 29`  `=3 xx 20 + 3 xx 9` 
`=60 + 27`  
`=87` 
`3 xx` 

`= 81` 
What number makes the above number sentence correct?
`17`  `27`  `78`  `243` 




`27`
`3 xx 27`  `=3 xx 20 + 3 xx 7` 
`=60 + 21`  
`=81` 
`5 xx` 

`= 65` 
What number makes the above number sentence correct?
`11`  `13`  `60`  `325` 




`13`
`5 xx 13`  `=5 xx 10 + 5 xx 3` 
`=50 + 15`  
`=65` 
`4 xx` 

`= 68` 
What number makes the above number sentence correct?
`17`  `27`  `64`  `272` 




`17`
`4 xx 17`  `=4 xx 10 + 4 xx 7` 
`=40 + 28`  
`=68` 
What number is 10 less than 1005?
`905`  `995`  `1015`  `1095` 




`995`
`1005  10 = 995`
What number is 10 less than 1108?
`908`  `998`  `1098`  `1908` 




`1098`
`1108  10 = 1098`
What number is 10 less than 2002?
`1092`  `1902`  `1912`  `1992` 




`1992`
`2002  10 = 1992`
Which arrow points to the number that is halfway between 15 and 45?
`A`  `B`  `C`  `D` 




`B`
`text(Solution 1)`
`text(Halfway between 15 and 45)`
`= (15 + 45)/2`
`= 60/2`
`= 30`
`text(Solution 2)`
`text{(This point can be found by the three interval}`
`text{jumps needed from both 15 and 45 to get to 30)}`
`=>B`
Karl rolled a die once.
The number he rolled was odd and greater than one.
Which of these numbers could James have rolled?




Jade writes a number on a piece of paper and covers it.
She gives her friend the following clues about her number.
What is Jade's number?
`842`  `804`  `84`  `80` 




`804`
`text(Consider the following clues,)`
`text(Number has 80 tens,)`
`=>\ text(Number is 3 digits, starting with 80_)`
`text(The “ones” digit is half the “hundreds” digit,)`
`:.\ text(Number must be 804.)`
Wyatt writes a number on a piece of paper and hides it.
He gives his friend the following clues about his number.
What is Wyatt's number?
`40`  `42`  `420`  `402` 




`402`
`text(Consider the following clues,)`
`text(Number has 40 tens,)`
`=>\ text(Number is 3 digits, starting with 40_)`
`text(The “ones” digit is two less than the “hundreds” digit,)`
`:.\ text(Number must be 402.)`
Pamela skips rope. In one hour she completed five thousand two hundred and five skips.
The number of skips can be written as:
`50\ 205`  `5025`  `5205`  `525` 




`5205`
`text(five thousand two hundred and five contains:)`
`=>\ text(5 “thousands”)`
`=>\ text(2 “hundreds”)`
`=>\ text(0 “tens”)`
`=>\ text(5 “ones”)`
`:. 5205`
Olive skips rope.
In twentyfive minutes she completed two thousand and thirty nine skips.
The number of skips can be written as:
`239`  `2039`  `2309`  `20\ 309` 




`2039`
`text(Two thousand and thirty nine contains:)`
`=>\ text(2 “thousands”)`
`=>\ text(0 “hundreds”)`
`=>\ text(3 “tens”)`
`=>\ text(9 “ones”)`
`:. 2039`
Harold is travelling between Alice Springs and the Davenport Ranges.
He knows it is less than 476 kilometres but more than 448 kilometres.
Which of these could be the number of kilometres that Harold has to travel?
`429`  `438`  `468`  `477` 




`468`
`text(468 is less than 476 and more than 448.)`
Nick is travelling between Margaret River and Geraldton.
He knows it is more than 646 kilometres but less than 664 kilometres.
Which of these could be the number of kilometres that Nick has to travel?
`666`  `662`  `644`  `628` 




`662`
`text(662 is more than 646 and less than 664.)`
Kate is travelling from Byron Bay to Port Macquarie.
She knows that it is more 357 kilometres but less than 375 kilometres.
Which of these could be the number of kilometres that Kate has to travel?
`335`  `353`  `373`  `377` 




`373`
`text(373 is more than 357 and less than 375.)`
The number 97 697 can be rounded in different ways.
Which two ways of rounding give the same answer?

rounding to the nearest ten and nearest hundred 

rounding to the nearest ten and nearest thousand 

rounding to the nearest hundred and nearest thousand 

rounding to the nearest thousand and nearest ten thousand 
`text(rounding to the nearest ten and nearest hundred)`
`text(Rounding to the nearest ten)`
`97\ 697 > 97\ 700`
`text(Rounding to the nearest hundred)`
`97\ 697 > 97\ 700`
`:.\ text(rounding to the nearest ten and nearest hundred.)`