Resources by The Virtual Textbook

PI-Calculating Its Value

This excel resource looks at various methods of evaluating pi, including Vièta’s formula and using the trapezium rule.

The first series of sheets include an introduction to François Vièta, his infinite product for...

Pie Charts

The first sheet of this excel file shows a frequency table for up to four different colours. Sometimes the angle 359⁰ or 361⁰ is shown in the table rather than 360⁰ and this can be used to aid discussion about rounding. Students need to calculate the angles so that a...

Place Value: Year Five

This series of interactive excel sheets is aimed at Year Five students and explores place value. New questions can be generated each time by the click of a button. To check the answers click on the smiley face.

The...

Place Value: Year Four

This series of interactive excel sheets is aimed at Year Four students and explores place value. New questions can be generated each time by the click of a button. To check the answers click on the smiley face.

The...

Place Value: Year Six

This series of interactive excel sheets is aimed at Year Six students and explores place value. New questions can be generated each time by the click of a button. To check the answers click on the smiley face.

The...

Polar Coordinates and Curves

This file has worksheets showing seven polar coordinate diagrams. The first allows students to explore simple polar coordinates by either inputting values for r and θ or stating those values for computer generated points. This is followed by two interactive sheets...

Polygons (Regular)

This interactive excel file has a series of sheets showing nine different regular polygons. Each polygon can be rotated and also shown with or without the circumscribing circle. They can be shown with or without the radii.

Position and Direction

This resource contains a collection of interactive pictures designed to illustrate the position of an object in relation to other things. Objects are positioned at different places on a picture and the correct word is selected to describe where the object is in relation...

Positive and Negative Numbers - Brick Walls

This excel file deals with the four operations on positive and negative numbers giving practice at a variety of calculations.

The first interactive sheet shows a table with -5 to 5 both along the top and down the side...

Prisms

This resource contains a collection of dynamic pictures designed to illustrate some of the common prisms and their properties: triangular, cuboidal, pentagonal, hexagonal, circular, semi-circular. Different prisms of the same type may be generated and the cross-section...