Beta Mathematics (2nd Edition) links

If you wish to submit a new link that relates to material in Beta Mathematics (2nd Edition) or report any links that are no longer working please email feedback@mathematics.co.nz

[Page numbers in square brackets] refer to the Beta Mathematics IWB (interactive whiteboard) Teaching Resource.

 

Chapter 1 - Number properties and operations

[16]   Page 7    Perfect Numbers
[17]   Page 8    Prime numbers visually
[25]   Page 12  Making overlapping circles add to zero
[29]   Page 14  The Missing Dollar Paradox
[37]   Page 18  Difference between two dates


Chapter 3 - Fractions

[74]   Page 37    Left-handedness
[88]   Page 43    Adding fractions



Chapter 4 - Percentages 

[125]  Page 62   Percentage applets


Chapter 5 - Ratios and Rates

[162]  Page 80   Colour mixing (RGB) (1)   
[162]  Page 80   Colour mixing (RGB) (2)   
[162]  Page 80   Colour mixing (RGB) (3)   
[162]  Page 80   Colour mixing (RGB) (4)   



Chapter 6 - Approximations, standard form and estimation

[173]  Page 86    When are zeros significant?
[187] 
Page 93   US National Debt Clock
[187]  Page 93   World population clock
[194]  Page 96   Standard form converter
[194]  Page 96   The scale of the universe



Chapter 7 - Formulae and substitution

[214]  Page 106   Pyramid numbers (sums of squares) (1)
[214]  Page 106   Pyramid numbers (sums of squares) (2)


Chapter 8 - Simplifying algebraic expressions

[234]  Page 117  Placing numbers on side of triangle so that each sum is 17

 


Chapter 10 - Solving equations

[278]  Page 139  Balancing equations (1)
[278]  Page 139  Balancing equations (2)


Chapter 11 - Two pairs of brackets

[307]  Page 153   Difference of two squares
[311]
  Page 155   Finding the two numbers a and b


Chapter 12 - Two-dimensional Graphs

[339]  Page 170   The Body-Mass Index Calculator


Chapter 13 - Graphs using rules from algebra

[373]  Page 188   Gradient and y-intercept applet
[373]  Page 188   Straight-line grapher from rule(1)
[373]  Page 188   Straight-line grapher from rule(2)


Chapter 14 - The metric system, scales and tables

[402]  Page 204  Metric length conversions
[410]  Page 207  Ferris wheel - metric conversion challenge
[416]  Page 210  Is midday 12 am or 12 pm? (1)
[416]  Page 210  Is midday 12 am or 12 pm? (2)



Chapter 15 - Area of polygons

[446]  Page 227    Area of parallelograms
[447]  Page 227   
Area of trapeziums
[450]  Page 229    Honey, I've shrunk the area!


Chapter 16 - Circles - circumference and area

[463]  Page 236   Pi to one million decimal places
[463]  Page 236   Pi to more decimal places than you will ever need 
[463]  Page 236   The Greek alphabet


Chapter 17 - Volume and surface area

[489]  Page 250   Surface area and volume of cuboids
[506]  Page 258   Prism calculator


Chapter 18 - Angles 1 - intersecting and parallel lines

[524]  Page 267   Security Sensor question part 2d
[532]  Page 271   Sum of angles of a triangle
[541]  Page 276   Alternate angles and angles in a triangle

Chapter 19 - Angles 2 - Polygons

[562]  Page 287   Exterior angles of a polygon
[566]  Page 289   Regular hexagon
[566]  Page 289   Rotational symmetry of regular polygons



Chapter 20 - Tessellation

[571]  Page 292   Tessellation town
[571]  Page 292   The tessellator
[571]  Page 292   Tessellation links
[575]  Page 294   Tetrominoes on a chessboard
[581]  Page 297   Grids for colouring in tessellations



Chapter 21 - Three dimensions

[587]  Page 300   The Klein bottle
[587]  Page 300   The missing corner cube
[588]  Page 301   Platonic solids
[588]  Page 301   Perspective
[603]  Page 309   Side views (1)
[603]  Page 309   Side views (2)
[607]  Page 311   The pentagonal potato slice


Chapter 22 - Pythagoras

[610]  Page 313   Showing Pythagoras works
[610]  Page 313   Pythagoras demonstration (1)
[613]  Page 314   Pythagoras demonstration (2)
[613]  Page 314   Three squares
[637]  Page 326   The spider and the fly


Chapter 24 - Trigonometry 2 - Calculating any side length

[677]  Page 347   SOH-CAH-TOA mnemonics
[693]  Page 355  
The moving cuboctahedron


Chapter 26 - Construction, scale drawing and loci

[710]  Page 364   Perpendicular bisector
[712]  Page 365   Perpendicular to a line from a point not on the line
[714]  Page 366   Perpendicular to a line at a point on the line
[718]  Page 368   The angle bisector
[720]  Page 369   Perpendicular bisectors of a triangle
[720]  Page 369   The circumcircle of a triangle


Chapter 27 - Transformations 1 - Symmetry and enlargement

[739]  Page 379   Regular stars
[756]  Page 387   The Diamond 16 Puzzle
[756]  Page 387   The billiard table
[767]  Page 393   Combined transformations
[774]  Page 396   Frieze patterns



Chapter 28 - Transformations 2 - Enlargement

[785]  Page 401   Perspective illusion


Chapter 30 - Displaying statistical information

[827]  Page 424   Pie graphs
[831]  Page 426   All Black Test appearances
[838]  Page 430   Vowel frequency analysis
[848]  Page 435   National Climate Centre - El Nino


Chapter 31 - Working with data

[855]  Page 439   The mode
[870]  Page 447   Stem and leaf plotter
[874]  Page 449   Boxplots
[894]  Page 460   Car registration statistics



Chapter 32 - The statistical enquiry cycle

[899]  Page 463   CensusAtSchool


Chapter 33 - Probability

[939]  Page 484   The racing cars
[943]  Page 486   Tongue-rolling