Beta Mathematics (2nd Edition) links

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

 Chapter 1 - Number properties and operations   Page 7    Perfect Numbers    Page 8    Prime numbers visually    Page 12  Making overlapping circles add to zero    Page 14  The Missing Dollar Paradox    Page 18  Difference between two dates Chapter 3 - Fractions    Page 37    Left-handedness    Page 43    Adding fractions Chapter 4 - Percentages    Page 62   Percentage applets Chapter 5 - Ratios and Rates   Page 80   Colour mixing (RGB) (1)      Page 80   Colour mixing (RGB) (2)      Page 80   Colour mixing (RGB) (3)      Page 80   Colour mixing (RGB) (4)    Chapter 6 - Approximations, standard form and estimation   Page 86    When are zeros significant?   Page 93   US National Debt Clock   Page 93   World population clock   Page 96   Standard form converter   Page 96   The scale of the universe Chapter 7 - Formulae and substitution   Page 106   Pyramid numbers (sums of squares) (1)   Page 106   Pyramid numbers (sums of squares) (2) Chapter 8 - Simplifying algebraic expressions   Page 117  Placing numbers on side of triangle so that each sum is 17   Chapter 10 - Solving equations   Page 139  Balancing equations (1)   Page 139  Balancing equations (2) Chapter 11 - Two pairs of brackets   Page 153   Difference of two squares   Page 155   Finding the two numbers a and b Chapter 12 - Two-dimensional Graphs   Page 170   The Body-Mass Index Calculator Chapter 13 - Graphs using rules from algebra   Page 188   Gradient and y-intercept applet   Page 188   Straight-line grapher from rule(1)   Page 188   Straight-line grapher from rule(2) Chapter 14 - The metric system, scales and tables   Page 204  Metric length conversions   Page 207  Ferris wheel - metric conversion challenge   Page 210  Is midday 12 am or 12 pm? (1)   Page 210  Is midday 12 am or 12 pm? (2) Chapter 15 - Area of polygons   Page 227    Area of parallelograms   Page 227    Area of trapeziums   Page 229    Honey, I've shrunk the area! Chapter 16 - Circles - circumference and area   Page 236   Pi to one million decimal places   Page 236   Pi to more decimal places than you will ever need    Page 236   The Greek alphabet Chapter 17 - Volume and surface area   Page 250   Surface area and volume of cuboids   Page 258   Prism calculator Chapter 18 - Angles 1 - intersecting and parallel lines   Page 267   Security Sensor question part 2d   Page 271   Sum of angles of a triangle   Page 276   Alternate angles and angles in a triangle Chapter 19 - Angles 2 - Polygons   Page 287   Exterior angles of a polygon Chapter 20 - Tessellation   Page 292   Tessellation town   Page 292   The tessellator   Page 292   Tessellation links   Page 294   Tetrominoes on a chessboard   Page 297   Grids for colouring in tessellations Chapter 21 - Three dimensions   Page 300   The Klein bottle   Page 300   The missing corner cube   Page 301   Platonic solids   Page 301   Perspective   Page 309   Side views (1)   Page 309   Side views (2)   Page 311   The pentagonal potato slice Chapter 22 - Pythagoras   Page 313   Showing Pythagoras works   Page 313   Pythagoras demonstration (1)   Page 314   Pythagoras demonstration (2)   Page 314   Three squares   Page 326   The spider and the fly Chapter 24 - Trigonometry 2 - Calculating any side length   Page 347   SOH-CAH-TOA mnemonics   Page 355   The moving cuboctahedron Chapter 26 - Construction, scale drawing and loci   Page 364   Perpendicular bisector   Page 365   Perpendicular to a line from a point not on the line   Page 366   Perpendicular to a line at a point on the line   Page 368   The angle bisector   Page 369   Perpendicular bisectors of a triangle   Page 369   The circumcircle of a triangle   Page 372   Loco for Loci Desmos by Dan Meyer Chapter 27 - Transformations 1 - Symmetry and enlargement  Page 379   Regular stars   Page 387   The Diamond 16 Puzzle   Page 387   The billiard table   Page 393   Combined transformations   Page 396   Frieze patterns Chapter 28 - Transformations 2 - Enlargement   Page 401   Perspective illusion Chapter 30 - Displaying statistical information   Page 424   Pie graphs   Page 426   All Black Test appearances   Page 430   Vowel frequency analysis   Page 435   National Climate Centre - El Nino Chapter 31 - Working with data   Page 439   The mode   Page 447   Stem and leaf plotter   Page 449   Boxplots   Page 460   Car registration statistics Chapter 32 - The statistical enquiry cycle   Page 463   CensusAtSchool Chapter 33 - Probability   Page 484   The racing cars   Page 486   Tongue-rolling