# Units of Measurement

### Estimating Angles

##### Stage: 2 and 3 Challenge Level:

How good are you at estimating angles?

### Speeding Boats

##### Stage: 4 Challenge Level:

Two boats travel up and down a lake. Can you picture where they will cross if you know how fast each boat is travelling?

### Speed-time Problems at the Olympics

##### Stage: 4 Challenge Level:

Have you ever wondered what it would be like to race against Usain Bolt?

### Units of Measurement - Short Problems

##### Stage: 3 and 4

A collection of short Stage 3 and 4 problems on units of measurement.

### Late for Work

##### Stage: 4 Short Challenge Level:

What average speed should Ms Fanthorpe drive at to arrive at work on time?

### Speed over a Bridge

##### Stage: 3 Short Challenge Level:

How fast is the train travelling as it goes over the bridge?

### Leg It

##### Stage: 3 Short Challenge Level:

How far from the finishing line should these runners start to make the race 'fair'?

### Backwards Laps

##### Stage: 4 Short Challenge Level:

If two friends run in opposite directions around a track, and they pass each other every 24 seconds, how long do they take to complete a lap?

### Inches and Barleycorns

##### Stage: 3 Short Challenge Level:

How many barleycorns are there in one inch?