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Surf for More Math

Lesson 3 - Patterns in a 100 Chart


To encourage your child to have fun on the Web while learning about Patterns in a 100 Chart, here are some games and interactive activities they can do on their own or in pairs.


Representing adding and subtracting patterns on a 100 chart.

Builds Upon

Student Book pages 8-9


Instructions for Use

Counter Square lets your child show patterns in a timetable sequence, or mark prime numbers using counters of different colours and shapes.

To use Counter Square, click the "Make Counters" button to create multi-coloured counters. Drag and drop them onto the grid to show patterns of the your childs' choice. Click "Ideas" for suggestions on how to use counters on the grid.


Scribble Square helps your child represent adding and subtracting patterns on a 100 chart.

To use Scribble Square, draw on the screen using the left-hand mouse button.

Click 'Clear' to remove all lines. Click 'Exit' to exit the program.


Number Patterns allows your child to create many numerical patterns using and interactive 100 chart and calculator.

To use the interactive calculator, start by pressing any number. This number will appear in the window. Press the '+' button on the calculator, the number selected becomes shaded on the hundreds board. Press the some number again and then the '=' button on the calculator. Keep pressing the '=' button to show a numerical pattern. Try making different patterns with division, multiplication, subtraction or a combination.

Have your child describe the number patterns they create.