Te Kete Ipurangi Navigation:

Te Kete Ipurangi

Te Kete Ipurangi user options:

The Big Splash

Achievement Objectives:

Achievement Objective: GM4-4: Interpret and use scales, timetables, and charts.
AO elaboration and other teaching resources


The purpose of this activity is to engage students in using the information provided on tables and charts to solve a problem.

Description of mathematics: 

This activity ideally follows exploration and learning in the following areas. 

Click to show example questions for each heading

To solve this problem, the students may explore with numbers, or use visual representations. The approach should be chosen in sympathy with their skills and preferred method of solution.


On a high tide at St Clair Beach, waves can splash up and drench the footpath. Use the tide table below to work out which would be the best time, during the day, to see this happen on the next Sunday.

(Tide chart from Otago Daily Times, 29/10/2014)

The arithmetic approach  (show more)

  • The student is able to solve the problem, with guidance.

The conceptual approach  (show more)

  • The student is able to solve the problem, within the context given.
TheBigSplash_full.pdf748.75 KB
TheBigSplash_arithmetic.pdf316.4 KB
TheBigSplash_conceptual.pdf315.15 KB