# Challenge 3:

# The Great Maths Scavenger Hunt

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### Students must complete 2 challenges @ 2 **½** points each: Minimum of 2 challenges, Maximum of 4 challenges.

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## 3.The Great Maths Race

### * Make a protractor Anemometer and calculate the current wind speed. Conversion Chart here.

### * Bring a sextant

### * The Brix number is used to measure sweetness. One degree Brix is 1 gram of sucrose in 100 grams of solution. What would the Brix number be for orange juice, Gatorade and coke? You will need to know the sugar content in gm for each drink ( Look here) and the volume of a coke can or bottle.

### * Make a poster using maths symbols going off at a tangent.

### * Your growth chart for 10-year period.

### * Width of the front of the school block in toilet paper sheets. You will find some handy measurements here.

### * Bake a π pie

### * Cook a Fibonacci cake

### * Bring in a mock up poster (in waste paper) of all paper sizes from A8 to A0.

### * How much do we spend per person each year on toilet paper? You will find information @ toilet paper fun facts. Yes! There is a Toilet Paper Fun Facts website. We use an average of 57 sheets each per year and, say, a toilet roll has 350 sheets. You will have to price the toilet rolls.

### * Prove 1 + 1 = 2 in the most complicated way you can.

### * Demonstrate Pythagoras Theorem using Saltine crackers.

### * Develop a maths clap chant. Team must teach clap chant to class.

### * Make potato stamps of the surds: √2, √3 and √5 and stamp an equation.

### * Use bubble gum to demonstrate the parabola to the class of y = x^{2}

### * Make an Origami Pentagon from a square

### * Make a (with clothes on) photo of yourself as Leonardo da Vinci’s Vitruvian Man.

### * Make Pascal’s Triangle using jellybeans or rice grains

### * If your hair kept growing at the average rate of 0.04 cm per day, how long would it take to reach the same length/height as you? Show calculations.

### * Make a poster of Bernoulli’s Triangle 20 lines long.

### * The fastest remote controlled car on earth, so they say, is the Traxxas XO-1, which goes from 0-62mph ( 0 – 99 kph) in just 2.3 seconds and can hit 100mph (160 kph) in less than five seconds. How long would it take for the remote controlled car to travel to your nearest Macdonald’s and return with fries at 62 mph and 100mph? Print out a map.

### * Research the height and weight of 10 famous ballerinas and plot these statistics on a height Vs weight chart. Is there a mathematical pattern?

### * If a kangaroo can hop at 25 kph (15.5 mph), how long would it take to hop across the middle of Australia E to W?