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Alexandra, Otago, New Zealand
The Central Otago REAP STAR Programme in Alexandra takes place on Wednesday's for Year 7/8 and Thursdays for Year 5/6. It is a chance for gifted students from schools across Central Otago to take part in creative thinking activities, to challenge and develop themselves and to have fun! 15 Students attend The Year 7/8 Central stars programme on Wednesdays at Alexandra Primary from Alexandra, Cromwell, Clyde and Roxburgh!

Number Nut Challenge

Every week a Number Nut challenge is presented to the Year 7/8 class, answers will not be posted on the blog, so challenge yourself to solve these problems yourselves?  Can you match our Central Stars Number Nuts??


17/02/10


Number Nuisance
How many number 9's will be needed to number the 100 doors of a 100 room hotel in sequential order from 1 through 100?


Number Nut:  Sam 


24/02/10


Ageing Quickly
What day of the year must it be if the day before yesterday a man was 50 years old and the next year he will be 53 years old?


Number Nut:  Kit 


03/03/10
What am I?
Placed above it makes things smaller.  Placed beside it makes things greater.  In matters that count, it always comes first.  Where others increase, it remains the same.


Number Nut: Emma 


10/03/10
1,2,3 of What?
One has 1
Two has 2
Three has 3
1,2,3 of what?
Hint: 4,5,6,9,10 and 0 have 2 too.


Number Nut:  Emma


17/3/10
Tablet Trouble
A man takes two tablets every half hour how many tablets will he have taken after 4 hours?


Number Nut: Sam







24/03/10
Family
Jill has 3 sisters. Each sister has 3 sons. 
Jill always sent each one a b'day card. 
Why did she send 11 cards to her nephews over the course of a year?


Number Nut:  Matt/Michael


05/05/10

110  
In six years’ time the combined age of me and my two sons will be 110. What will it be in four year’s time? 

Number Nut:  Keryn

12/05/10
Symbol
What mathematical symbol can be placed between 5 and 9, to get a number greater than 5 and smaller than 9? 

Number Nut:  Matt



19/05/10


100
Using four sevens (7) and a one (1) create the number 100. You can use one or more operations to help you. 


Number Nut:  Keryn


26/05/10


Odd Socks
A draw contains an unsorted collection of black, navy, white, and brown coloured socks. If socks are taken at random, one at a time, what is the minimum number which must be taken to be certain of finding five matching pairs? 

Number Nut:  Matt (This was not solved until the following week)

2/06/10

Birds & Bunnies
A cage contains birds and rabbits. There are sixteen heads and thirty-eight feet. How many birds are there in the cage? 


Number Nut: Sam

9/06/10

Apples to Apples
How many times is it possible to take away 9 apples from 54 apples?  

Number Nut:  Bryn
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10.2.10 First Day of Blog

We have filled in our self assessment for the year. We also played some name games, read awesome picture books and played some of Karla's games she brought in while Sam, Bryn & co. made this blog. We are hoping that this blog will get bigger and better over the course of the year!!