Tides Rule of 12ths Challenge

Tides Rule of Twelfths Challenge Worksheet!

To accompany our Tides Rule of Twelfths Poster, this worksheet is great for practicing and for testing students' knowledge.

There are two worksheets on the rule of 12ths - This one is a Challenge sheet which works well as a test once you know the theory and would like to test! There is also a guided worksheet that helps with working out the calculations.

What is the Rule of twelfths?

The Rules of Twelfths is a handy way to estimate, with a good level of accuracy, the amount the water level will rise at a specific state of tide.

TOPIC COVERED:

• What the Rule of Twelfths is
• When you can use the rule
• What the rules states
• How to apply the rule to find out how much the water level will rise
• How to use chart datum to estimate the actual tidal height at all times in the tidal cycle.

Related tides resources:

• How to use a tide table - Learn the basics
• Tides Rule of Twelfths Poster
• Tides Rule of Twelfths Worksheet - guided