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When your number’s up! The gameshow with difference… and sum, and product, and quotient and proportion.

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Question Zero The hall has 357 people in it. They are at a disco. Another 646 people arrive by bus. How many people will be at the disco then?

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Question One Write the numeral “eleven thousand eleven hundred and eleven”.

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Question Two Kendra had $1007 in her bank account. She spent $879 on a new CD-Player. How much was left in her account?

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Question 3 Toby has worked out that, 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 = 36. He now has a quick way to add these numbers: 11 + 22 + 33 + 44 + 55 + 66 + 77 + 88 What is the quick way? What is the answer?

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Question Four Sonia has a 11.05 metre length of fabric. She uses 6.7 metres of it to make an outfit. How much fabric has she got left?

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Question Five At Massey School 40% of the children are girls. At Karori School 60% of the children are girls. Massey School has three times as many children as Karori School. If the schools meet for sports day, what percentage of all the children are girls?

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Question Six Each barrel weighs 27 kilograms. There are 7 barrels. How much mass is that altogether?

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Question Seven Bas needs to buy 408 cans of softdrink for the volley ball club party? How many 6-packs should he get?

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Question Eight Which is smallest? 4 6 = 4 x 4 x 4 x 4 x 4 x 4 2 11 = 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 8 4 = 8 x 8 x 8 x 8

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Question Nine Luke has 6.5 kilograms of mince. Each pattie takes 330 grams of mince. How many patties can Luke make?

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Question Ten Each day on the life raft 22 litres of water is shared equally among the 6 survivors. How much water does each person get (to the nearest millilitre)?

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Question Eleven You can buy 8 avocadoes for $6.00 How many avocadoes will you get for $37.50?

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Question Twelve Matiu started with a whole box and ate five-sevenths of the chocolates. That left 14 chocolates for Yves. How many chocolates were in the box at the start?

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Question Thirteen On 5 / 8 of a tank of petrol the car can make one full trip. How much of the trip can it make on 1 / 3 of a tank?

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Question Fourteen At the sale there is 45% taken off every item. What would you pay for a pair of jeans that usually cost $79.95? 45% off

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Question Fifteen With her ride-on Jessie can mow the lawn in three hours. With his ride-on Liam can mow the same lawn in six hours. If they mow the lawn together how long will they take?

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Question 16 The formula for adding up N whole numbers is 1 / 2 N(N+1). What is the formula for adding the first N even numbers? What is the formula for adding the first N odd numbers.

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Question 17 A brick weights 1kg and half a brick. What is the weight of the brick?

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Question 18 You have a 3L, 5L and 8L container. The 8L is full of water. How can you put exactly 4L in one container?

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Question 19 One of 8 coins is counterfeit. It weighs less. What is the smallest number of weighings you need to identify the counterfeit coin?

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Question 20 Using 3 matches you can create 14 letters of the alphabet. Make four of them. Name four you can’t make.

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Question 21 Draw a square and sketch how it can be broken into 11 smaller squares. Now find another solution.

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Question 21 Approximately how many people do you need to have before the probability of any two having their birthday on the same day is.507?

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Question 22 What is the probability of breaking a ruler into three bits and being able to form a triangle from them?

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Question 26 How many socks do you need to pull out of a box (without looking) of red and white socks before you can be absolutely certain of having a pair?

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Question 27 I am a number that is a square and a cube. Name me.

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Question 28 6 and 28 are two perfect numbers. What is the next one?

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Question 29 If I travel to town at 30km/hr I arrive 1 hour early. If I travel at 20km/hr I arrive an hour late. How fast should I travel to arrive on time?

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Question 30 What is the ratio that is exactly half way between 1:2 and 2:3?

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Question 31 My car odometer showed the palandromic number 31813. How far do I travel before I get another palandromic number?

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Question 32 How many dominoes in a set?

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Question 33 How many dots on all the tiles in a set of dominoes?

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Question 34 What do the numbers on the facing pages of a book with 21 leaves add up to?

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Question 35 If you roll a wheel without slipping around another identical wheel once how far does the axle travel.

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Question 36 The hot tap fills a bath in 60 minutes. The cold tap fills bath in 30 minutes. How long to fill the bath with both taps turned on?

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Question 37 You toss a coin and get 7 heads one after the other. What is the chance of getting another head on the next toss?

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Question 38 Which is bigger? 4 meters squared or 4 square meters?

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Question 39 I travel to town at 80km/hr and the journey home at 100km/hr. What is my average speed for the entire journey?

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Question 40 The front tyres on my car last 60,000km before they have to be replaced. The rear tyres last 40,000km. If I swap them around how far can I get out of a set of 4 tyres?

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Question 41 I can paint a house in 3 days How long to paint a house if we work together? You can paint a house in 5 days

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