Math Gr09 – WR Y9

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Y9 - 119 - Solve flow problems and their graphs [08:00]
Y9 - 120 - Rates of change and their units [05:55]
Y9 - 121 - Convert compound units [07:51]
Y9 - 122 - Single event probability [08:04]
Y9 - 123 - Relative frequency including convergence [07:37]
Y9 - 125 - Independent events [07:36]
Y9 - 126 - Tree diagrams [10:16]
Y9 - 127 - Use tree diagrams to solve without replacement problems [08:18]
Y9 - 128 - Use diagrams to work out probabilities [11:10]
Y9 - 124 - Expected outcomes [08:06]
Y9 - 112 - Solve ratio problems given the whole or a part [07:42]
Y9 - 114 - Solve problems involving ratio and algebra [08:37]
Y9 - 116 - Solve speed distance and time problems with a calculator [11:31]
Y9 - 111 - Graphs of inverse relationships [06:01]
Y9 - 108 - Solve problems with direct proportion [08:52]
Y9 - 109 - Direct proportion and conversion graphs [06:48]
Y9 - 110 - Solve problems with inverse proportion [10:26]
Y9 - 092 - Squares and square roots [08:47]
Y9 - 093 - Identify the hypotenuse of a right-angled triangle [07:42]
Y9 - 094 - Determine whether a triangle is right-angled [08:04]
Y9 - 095 - Calculate the hypotenuse of a right-angled triangle [09:47]
Y9 - 096 - Calculate missing sides in right-angled triangles [09:29]
Y9 - 097 - Use Pythagoras' theorem on coordinate axes [09:08]
Y9 - 098 - Explore proofs of Pythagoras' theorem [04:57]
Y9 - 099 - Use Pythagoras' theorem in 3-D shapes [09:33]
Y9 - 100 - Recognise enlargement and similarity [08:26]
Y9 - 102 - Enlarge a shape by a positive integer scale factor from a point [07:37]
Y9 - 104 - Enlarge a shape by a negative scale factor [07:19]
Y9 - 105 - Work out missing sides and angles in a pair of similar shapes [08:17]
Y9 - 106 - Solve problems with similar triangles [07:04]
Y9 - 107 - Explore ratios in right-angled triangles [07:39]
Y9 - 091 - Find the result of a series of transformations [05:04]
Y9 - 090 - Compare rotation and reflection of shapes [07:47]
Y9 - 089 - Translate a shape by a vector [08:50]
Y9 - 088 - Rotate a shape about a point not on a shape [08:23]
Y9 - 087 - Rotate a shape about a point on a shape [06:40]
Y9 - 085 - Identify the order of rotational symmetry of a shape [09:19]
Y9 - 086 - Compare and contrast rotational symmetry with line symmetry [05:28]
Y9 - 084 - Link constructions and geometrical reasoning [06:56]
Y9 - 083 - Conjectures with shapes [07:17]
Y9 - 073 - Calculate simple interest [08:54]
Y9 - 072 - Solve problems with bills and bank statements [08:28]
Y9 - 074 - Calculate compound interest [09:36]
Y9 - 075 - Solve problems with Value Added Tax [07:14]
Y9 - 076 - Calculate wages and taxes [09:13]
Y9 - 077 - Solve problems with exchange rates [08:00]
Y9 - 078 - Solve unit pricing problems [06:22]
Y9 - 079 - Angles in parallel lines [07:45]
Y9 - 080 - Solve angle problems (using chains of reasoning) [07:26]
Y9 - 081 - Angle problems with algebra [10:36]
Y9 - 082 - Conjectures with angles [07:50]
Y9 - 065 - Use the equivalence of fractions, decimals and percentages [10:48]
Y9 - 066 - Calculate percentage increase and decrease [09:53]
Y9 - 067- Express a change as a percentage [10:06]
Y9 - 068 - Solve reverse percentage problems [10:40]
Y9 - 069 - Recognise and solve percentage problems [08:17]
Y9 - 070 - Recognise and solve percentage problems with a calculator [09:27]
Y9 - 071 - Solve problems with repeated percentage change [10:23]
Y9 - 060 - HCF and LCM [10:00]
Y9 - 061 - Adding and subtracting fractions [09:24]
Y9 - 062 - Multiplying and dividing fractions [10:02]
Y9 - 064 - Numbers in Standard Form [09:52]
Y9 - 063 - Solving problems with fractions [08:25]
Y9 - 031 - Accurate nets of cuboids and other 3-D shapes [06:15]
Y9 - 032 - Sketch and recognise nets of cuboids and other 3-D shapes (1) [05:10]
Y9 - 033 - Plans and elevations [07:20]
Y9 - 034 - Area of 2-D shapes [09:24]
Y9 - 035 - Surface area of cubes and cuboids [08:27]
Y9 - 035 - surface area of cuboids [12:01]
Y9 - 036 - Surface area of triangular prisms [06:39]
Y9 - 037 - Surface area of cylinders [08:15]
Y9 - 038 - Volume of cubes and cuboids [08:33]
Y9 - 039 - Volume of other 3-D shapes [07:32]
Y9 - 040 - Explore volumes of cones, pyramids and spheres [07:45]
Y9 - 041 - Draw and measure angles [06:41]
Y9 - 042 - Construct and interpret scale drawings [09:22]
Y9 - 043 - Locus of a distance from a point [07:26]
Y9 - 044 - Locus of a distance from a line or a shape [06:12]
Y9 - 045 - Locus equidistant from two points [06:06]
Y9 - 046 - Construct a perpendicular bisector [05:40]
Y9 - 047 - Construct a perpendicular from a point [07:31]
Y9 - 048 - Construct a perpendicular to a point [06:21]
Y9 - 049 - Locus of distance from two lines [05:28]
Y9 - 050 - Construct an angle bisector [04:24]
Y9 - 051 - Construct triangles from given information [06:40]
Y9 - 052 - Identify congruent figures [06:53]
Y9 - 053 - Explore congruent triangles [06:13]
Y9 - 054 - Identify congruent triangles [09:58]
Y9 - 056- Understand and use surds [09:13]
Y9 - 057 - Work with directed number [09:50]
Y9 - 058 - Solve problems with integers [09:44]
Y9 - 059 - Solve problems with decimals [09:48]
Y9 - 101 - Enlargement Positive Integer [12:40]
Y9 - 103 - Enlargement Positive Fraction [08:49]
Y9 - 113 - Solve 'Best Buys' problems [15:32]
Y9 - 115 - Solve Speed, Distance and Time problems [20:29]
Y9 - 117 - Plot and interpret distance-time graphs [12:28]
Y9 - 118 - Solve problems with Density Mass and Volume [13:01]
Y9 - 122 - calculate the probability of a single event [22:24]
Y9 - 001 - Equations of lines parallel to the axes and yx and y−x [07:57]
Y9 - 002 - Using tables of values [08:27]
Y9 - 003 - Compare gradients [07:27]
Y9 - 004 - Compare intercepts final [08:02]
Y9 - 005 - Understand and use y mx + c [09:45]
Y9 - 006 - Write an equation in the form y mx + c [07:38]
Y9 - 007 - Find the equation of a straight line from a graph [08:35]
Y9 - 008 - Interpret gradient and intercepts of real-life graphs [06:37]
Y9 - 009 - Model Real-life graphs using inverse proportion [07:19]
Y9 - 010 - Explore perpendicular lines [07:46]
Y9 - 011 - Solve one- and two-step equations and inequalities [09:50]
Y9 - 012 - Solve one- and two-step equations and inequalities with brackets [07:32]
Y9 - 013 - Inequalities with negative numbers [09:47]
Y9 - 014 - Solve equations with unknowns on both sides [10:02]
Y9 - 015 - Solve inequalities with unknowns on both sides [07:59]
Y9 - 016 - Solve equations and inequalities in context [09:38]
Y9 - 017 - Formuale and equations [08:58]
Y9 - 018 - Rearrange formuale (One-step) [11:08]
Y9 - 019 - Rearrange formuale (Two-step) [07:45]
Y9 - 020 - Rearrange complex formuale [07:24]
Y9 - 021 - Factors, Multiples and Primes [08:36]
Y9 - 022 - True or False [05:58]
Y9 - 023 - Always, Sometimes, Never True [06:32]
Y9 - 024 - Show that [08:31]
Y9 - 025 - Conjectures about number [06:42]
Y9 - 026 - Expand a pair of binomials [08:11]
Y9 - 027 - Conjectures with algebra [09:47]
Y9 - 028 - Explore the 100 grid [07:52]
Y9 - 029 - Know names of 2-D and 3-D shapes [08:24]
Y9 - 030 - Recognise prisms [06:25]