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Resources tagged with Rectangles similar to Exploration Versus Calculation:

Other tags that relate to Exploration Versus Calculation

Area. Circles. Visualising. Rectangles. Creating expressions/formulae. smartphone. Pythagoras' theorem.

There are 15 results

Broad Topics > 2D Geometry, Shape and Space > Rectangles

Pebbles

Stage: 2 and 3 Challenge Level:

Place four pebbles on the sand in the form of a square. Keep adding as few pebbles as necessary to double the area. How many extra pebbles are added each time?

Logic Block Collections

Stage: 1 Challenge Level:

What do you think is the same about these two Logic Blocks? What others do you think go with them in the set?

Transformations on a Pegboard

Stage: 2 Challenge Level:

How would you move the bands on the pegboard to alter these shapes?

Sorting Logic Blocks

Stage: 1 and 2 Challenge Level:

This interactivity allows you to sort logic blocks by dragging their images.

Fencing

Stage: 2 Challenge Level:

Arrange your fences to make the largest rectangular space you can. Try with four fences, then five, then six etc.

Torn Shapes

Stage: 2 Challenge Level:

These rectangles have been torn. How many squares did each one have inside it before it was ripped?

Jig Shapes

Stage: 1 Challenge Level:

Can you each work out what shape you have part of on your card? What will the rest of it look like?

Sorting Shapes

Stage: 1 Challenge Level:

This activity challenges you to make collections of shapes. Can you give your collection a name?

Chain of Changes

Stage: 1 Challenge Level:

Arrange the shapes in a line so that you change either colour or shape in the next piece along. Can you find several ways to start with a blue triangle and end with a red circle?

Poly Plug Rectangles

Stage: 1 Challenge Level:

The computer has made a rectangle and will tell you the number of spots it uses in total. Can you find out where the rectangle is?

Fault-free Rectangles

Stage: 2 Challenge Level:

Find out what a "fault-free" rectangle is and try to make some of your own.

Rectangles with Dominoes

Stage: 1 Challenge Level:

Can you make a rectangle with just 2 dominoes? What about 3, 4, 5, 6, 7...?

Fitted

Stage: 2 Challenge Level:

Nine squares with side lengths 1, 4, 7, 8, 9, 10, 14, 15, and 18 cm can be fitted together to form a rectangle. What are the dimensions of the rectangle?

Making Shapes

Stage: 1 Challenge Level:

Arrange any number of counters from these 18 on the grid to make a rectangle. What numbers of counters make rectangles? How many different rectangles can you make with each number of counters?

Two by One

Stage: 2 Challenge Level:

An activity making various patterns with 2 x 1 rectangular tiles.