# Time and Measurement - May 2008, All Stages

## Problems

### Snap

##### Stage: 1 Challenge Level:

Try this version of Snap with a friend - do you know the order of the days of the week?

### Stop the Clock

##### Stage: 1 Challenge Level:

This is a game for two players. Can you find out how to be the first to get to 12 o'clock?

### Weighing Fruit

##### Stage: 2 Challenge Level:

Can you use this information to estimate how much the different fruit selections weigh in kilos and pounds?

### Lengthy Journeys

##### Stage: 2 Challenge Level:

Investigate the different distances of these car journeys and find out how long they take.

### At the Pumps

##### Stage: 2 Challenge Level:

How will you find out how much a tank of petrol costs?

### Oh! Harry!

##### Stage: 2 Challenge Level:

A group of children are using measuring cylinders but they lose the labels. Can you help relabel them?

### A Day with Grandpa

##### Stage: 2 Challenge Level:

Grandpa was measuring a rug using yards, feet and inches. Can you help William to work out its area?

### Thousands and Millions

##### Stage: 3 Challenge Level:

Here's a chance to work with large numbers...

### All in a Jumble

##### Stage: 3 Challenge Level:

My measurements have got all jumbled up! Swap them around and see if you can find a combination where every measurement is valid.

### Zin Obelisk

##### Stage: 3 Challenge Level:

In the ancient city of Atlantis a solid rectangular object called a Zin was built in honour of the goddess Tina. Your task is to determine on which day of the week the obelisk was completed.

### Round and Round a Circle

##### Stage: 4 Challenge Level:

Can you explain what is happening and account for the values being displayed?

### An Average Average Speed

##### Stage: 4 Challenge Level:

My average speed for a journey was 50 mph, my return average speed of 70 mph. Why wasn't my average speed for the round trip 60mph ?

### Trigonometric Protractor

##### Stage: 4 Challenge Level:

An environment that simulates a protractor carrying a right- angled triangle of unit hypotenuse.

### Jumping Gerbils

##### Stage: 4 Challenge Level:

A conveyor belt, with tins placed at regular intervals, is moving at a steady rate towards a labelling machine. A gerbil starts from the beginning of the belt and jumps from tin to tin.

### Swimmers

##### Stage: 4 Challenge Level:

Swimmers in opposite directions cross at 20m and at 30m from each end of a swimming pool. How long is the pool ?

### Cannon Balls

##### Stage: 5 Short Challenge Level:

How high will a ball taking a million seconds to fall travel?

### Universal Time, Mass, Length

##### Stage: 5 Short Challenge Level:

Can you work out the natural time scale for the universe?

### Dam Busters 1

##### Stage: 5 Challenge Level:

At what positions and speeds can the bomb be dropped to destroy the dam?

### Escape from Planet Earth

##### Stage: 5 Challenge Level:

How fast would you have to throw a ball upwards so that it would never land?

### Dam Busters 2

##### Stage: 5 Challenge Level:

Can you work out which of the equations models a bouncing bomb? Will you be able to hit the target?

### Earth Orbit

##### Stage: 5 Challenge Level:

Follow in the steps of Newton and find the path that the earth follows around the sun.