Skip to content

Mathematics

270 lessons · topologically ordered (prerequisites first).

Domain tracks

  1. 1
    One-to-one counting
    Ages 4–6 · high
  2. 2
    Measurable Attributes of Objects
    Ages 4–6 · high
  3. 3
    Fraction Notation
    Ages 6–9 · high
  4. 4
    3-D shapes
    Ages 4–6 · high
  5. 5
    Ordering Events in Time
    Ages 4–6 · high
  6. 6
    2-D shapes
    Ages 4–6 · high
  7. 7
    Pictograms and tally charts (age 6+)
    Ages 6–9 · high
  8. 8
    Positional Language
    Ages 4–6 · high
  9. 9
    Types of angles (age 8+)
    Ages 8–12 · high
  10. 10
    Decimal & Percent Notation
    Ages 8–11 · high
  11. 11
    Comparing durations
    Ages 4–6 · high
  12. 15
    Transformations on a grid
    Ages 8–12 · med
  13. 16
    Nets of 3-D Shapes
    Ages 8–11 · med
  14. 21
    How Many in Total?
    Ages 4–6 · high
  15. 22
    Rote counting to 100
    Ages 5–6 · high
  16. 23
    Comparing Lengths & Heights
    Ages 4–6 · high
  17. 24
    Comparing Capacity
    Ages 4–6 · high
  18. 25
    Measuring mass and weight (age 4+)
    Ages 4–6 · high
  19. 26
    Days, Weeks, Months & Years
    Ages 5–6 · high
  20. 27
    3-D shapes (age 5+)
    Ages 5–6 · high
  21. 28
    Flat vs Solid Shapes
    Ages 5–6 · low
  22. 29
    Telling time to the minute
    Ages 5–6 · high
  23. 31
    Subtraction as taking away or separating
    Ages 4–6 · high
  24. 32
    Reading and writing numbers to 20
    Ages 5–6 · high
  25. 33
    Addition as combining or putting together two
    Ages 4–6 · high
  26. 34
    Counting objects to 20
    Ages 5–6 · high
  27. 35
    Representing numbers with objects
    Ages 4–6 · med
  28. 36
    One More Each Time
    Ages 4–6 · med
  29. 37
    Counting in 2s
    Ages 5–7 · high
  30. 38
    Measuring length and height (age 5+)
    Ages 5–6 · high
  31. 39
    Measuring length
    Ages 6–7 · high
  32. 40
    Capacity and volume
    Ages 5–6 · high
  33. 41
    Measuring mass and weight
    Ages 5–6 · high
  34. 42
    Angles in triangles (age 6+)
    Ages 6–7 · high
  35. 43
    Edges, vertices, and faces
    Ages 6–7 · med
  36. 44
    Building & Drawing Shapes
    Ages 5–6 · low
  37. 45
    Combining Simple Shapes
    Ages 5–6 · low
  38. 46
    2-D faces on 3-D shapes
    Ages 6–7 · low
  39. 47
    Number of minutes in an hour
    Ages 6–7 · high
  40. 48
    Sequence intervals of time
    Ages 6–7 · med
  41. 50
    Division as equal sharing
    Ages 4–6 · high
  42. 51
    The teen numbers
    Ages 5–7 · high
  43. 52
    Coin Values
    Ages 5–6 · high
  44. 53
    Number Words to Twenty
    Ages 5–6 · med
  45. 54
    Reading and writing numbers to 100
    Ages 5–6 · med
  46. 55
    Reading +, −, and = symbols
    Ages 5–6 · high
  47. 56
    Numbers up to 10 into pairs
    Ages 4–6 · high
  48. 57
    Fluent adding and subtracting within 5
    Ages 5–6 · high
  49. 58
    Addition in any order
    Ages 6–7 · high
  50. 59
    Finding a missing number in addition
    Ages 6–7 · high
  51. 60
    Representing Addition and Subtraction
    Ages 4–6 · high
  52. 61
    Making Sense of Problems
    Ages 5–6 · high
  53. 62
    Comparing groups: more or fewer
    Ages 4–6 · high
  54. 63
    Hands-On Problem Solving
    Ages 5–6 · med
  55. 64
    Addition and subtraction strategies
    Ages 6–7 · low
  56. 65
    Multiplication as repeated addition
    Ages 5–6 · high
  57. 66
    Skip Counting (4s, 8s, 50s, 100s)
    Ages 7–8 · high
  58. 67
    Finding efficient methods
    Ages 5–6 · med
  59. 68
    Odd or Even
    Ages 7–8 · low
  60. 69
    Counting forwards and backwards
    Ages 6–7 · low
  61. 70
    Patterns & Sequences
    Ages 6–7 · low
  62. 71
    Measuring length (age 6+)
    Ages 6–7 · high
  63. 72
    Choosing measurement units
    Ages 6–7 · high
  64. 73
    2-D shapes (age 6+)
    Ages 6–7 · high
  65. 74
    Building with 3-D Shapes
    Ages 6–7 · low
  66. 75
    Composing Shapes
    Ages 6–7 · low
  67. 76
    Time Units and Calendar Facts
    Ages 7–8 · high
  68. 77
    What Is a Half?
    Ages 5–6 · high
  69. 78
    What Division Means
    Ages 8–9 · high
  70. 79
    Odd and even numbers
    Ages 6–7 · low
  71. 80
    A Ten Is Ten Ones
    Ages 6–7 · high
  72. 81
    Spotting mathematical patterns
    Ages 5–6 · med
  73. 82
    Pounds & Pence Notation
    Ages 6–7 · med
  74. 83
    Number Words to 100
    Ages 6–7 · med
  75. 84
    Reading and writing numbers to 120
    Ages 6–7 · low
  76. 85
    What the equals sign means
    Ages 6–7 · high
  77. 86
    Number bonds to 9
    Ages 4–6 · high
  78. 87
    Grouping numbers to add
    Ages 6–7 · low
  79. 88
    Inverse: addition undoes subtraction
    Ages 6–7 · high
  80. 89
    Addition and subtraction word problems
    Ages 4–6 · high
  81. 90
    Sorting into categories
    Ages 5–6 · high
  82. 91
    Two written numerals between 1 and 10
    Ages 5–6 · high
  83. 92
    Early Maths Vocabulary
    Ages 5–6 · med
  84. 93
    Times tables
    Ages 6–7 · high
  85. 94
    Arrays for multiplication
    Ages 5–6 · high
  86. 95
    Reading ×, ÷, and = Symbols
    Ages 6–7 · high
  87. 96
    Counting in 6s
    Ages 8–9 · high
  88. 97
    Measuring length (age 7+)
    Ages 7–8 · high
  89. 98
    Angles in triangles (age 7+)
    Ages 7–8 · high
  90. 99
    2-D shapes (age 7+)
    Ages 7–8 · med
  91. 100
    2-D shapes (age 8+)
    Ages 8–10 · med
  92. 101
    Sorting 2-D and 3-D shapes
    Ages 6–7 · low
  93. 102
    Finding halves and quarters (age 5+)
    Ages 5–6 · high
  94. 103
    Turns & Directions
    Ages 5–6 · high
  95. 104
    Telling Time: Hours and Half Hours
    Ages 5–6 · high
  96. 105
    The two digits of a two-digit number
    Ages 6–7 · high
  97. 106
    The multiples of 10
    Ages 6–7 · med
  98. 107
    Adding money and giving change
    Ages 6–7 · med
  99. 108
    Fluent adding and subtracting within 10
    Ages 6–7 · high
  100. 109
    Showing Your Working
    Ages 5–6 · high
  101. 110
    Number bonds
    Ages 5–6 · high
  102. 111
    Adding Three Small Numbers
    Ages 6–7 · med
  103. 112
    Unknown in Addition & Subtraction
    Ages 6–7 · med
  104. 113
    Real-World to Maths Connections
    Ages 5–6 · med
  105. 114
    Sorting Data into Categories
    Ages 6–8 · high
  106. 115
    Using objects to model real problems
    Ages 5–6 · med
  107. 116
    Times tables (age 7+)
    Ages 7–8 · high
  108. 117
    Arrays for multiplication (age 7+)
    Ages 7–8 · high
  109. 118
    Commutative Multiplication
    Ages 6–7 · high
  110. 119
    Multiplication as repeated addition (age 6+)
    Ages 6–7 · high
  111. 120
    Understanding Area
    Ages 8–9 · high
  112. 121
    Comparing lengths by measuring
    Ages 7–8 · med
  113. 122
    Estimating Lengths
    Ages 7–8 · med
  114. 123
    Measuring with different units
    Ages 7–8 · med
  115. 124
    Understanding angles (age 8+)
    Ages 8–9 · high
  116. 126
    Lines of symmetry
    Ages 8–9 · med
  117. 127
    Fractions of amounts
    Ages 6–7 · high
  118. 128
    Halves & Quarters of Shapes
    Ages 6–7 · high
  119. 129
    Position, direction, and movement
    Ages 6–7 · high
  120. 130
    Telling Time: Minutes
    Ages 6–7 · high
  121. 131
    A Hundred Is Ten Tens
    Ages 7–8 · high
  122. 132
    Comparing and ordering numbers
    Ages 6–7 · high
  123. 133
    10 More or 10 Less
    Ages 6–7 · med
  124. 134
    Shape patterns
    Ages 6–7 · med
  125. 135
    Counting forwards and backwards (age 6+)
    Ages 6–7 · med
  126. 136
    Subtracting multiples of 10
    Ages 6–7 · med
  127. 137
    Money Addition & Subtraction
    Ages 6–7 · med
  128. 138
    Addition and subtraction within 20
    Ages 6–7 · high
  129. 139
    Explaining Mathematical Reasoning
    Ages 6–7 · high
  130. 140
    Adding and subtracting
    Ages 5–6 · high
  131. 141
    Place value understanding and number facts
    Ages 6–7 · med
  132. 142
    Connecting Representations
    Ages 6–7 · med
  133. 143
    Pictograms and tally charts
    Ages 6–8 · high
  134. 144
    Picture & Bar Graphs
    Ages 7–8 · high
  135. 145
    Sorting into categories (age 6+)
    Ages 6–8 · med
  136. 146
    All times tables to 12×12
    Ages 8–9 · high
  137. 147
    What Multiplication Means
    Ages 8–9 · high
  138. 148
    Rows & Columns in Rectangles
    Ages 7–8 · med
  139. 149
    Area (age 8+)
    Ages 8–9 · high
  140. 151
    Tenths
    Ages 7–8 · high
  141. 152
    Understanding fractions
    Ages 6–7 · high
  142. 153
    Unit fractions
    Ages 7–8 · med
  143. 154
    Decomposing a shape into more equal shares
    Ages 6–7 · high
  144. 155
    Understanding angles
    Ages 7–8 · high
  145. 156
    First Quadrant Coordinates
    Ages 8–9 · high
  146. 157
    Telling time to the minute (age 7+)
    Ages 7–8 · high
  147. 158
    The three digits of a three-digit number
    Ages 7–8 · high
  148. 159
    The multiples of 100
    Ages 7–8 · high
  149. 160
    Comparing and ordering measurements
    Ages 6–7 · high
  150. 161
    Precise Maths Communication
    Ages 6–7 · med
  151. 162
    Adding and subtracting tens mentally
    Ages 6–7 · med
  152. 163
    Giving Change
    Ages 7–8 · med
  153. 164
    Adding within 100
    Ages 6–7 · high
  154. 165
    Fluent adding and subtracting within 20
    Ages 7–8 · high
  155. 166
    Generalising Patterns
    Ages 6–7 · med
  156. 167
    Fluent addition and subtraction
    Ages 6–7 · med
  157. 168
    Early Word Problems
    Ages 5–7 · high
  158. 169
    Mental addition and subtraction (age 6+)
    Ages 6–7 · med
  159. 171
    Representing numbers with objects (age 8+)
    Ages 8–9 · high
  160. 172
    Measuring & Plotting Lengths
    Ages 7–8 · med
  161. 173
    Connecting maths to real life
    Ages 6–7 · med
  162. 175
    Properties of Operations
    Ages 8–9 · high
  163. 176
    Division as Unknown Factor
    Ages 8–9 · high
  164. 178
    Multiplication and Division Word Problems
    Ages 8–9 · med
  165. 179
    Area by Tiling
    Ages 8–9 · high
  166. 182
    Fractions on a number line
    Ages 7–8 · high
  167. 183
    Tenths (age 8+)
    Ages 8–9 · high
  168. 184
    Splitting shapes into equal parts (age 7+)
    Ages 7–8 · high
  169. 185
    Right Angles & Turns
    Ages 7–8 · high
  170. 186
    Coordinates (age 8+)
    Ages 8–9 · high
  171. 187
    Describing Movements
    Ages 8–9 · med
  172. 188
    Estimating answers (age 7+)
    Ages 7–8 · high
  173. 189
    Telling time to the minute (age 8+)
    Ages 8–9 · high
  174. 190
    12-hour and 24-hour time
    Ages 8–9 · med
  175. 191
    Written Multiplication & Division
    Ages 7–8 · high
  176. 192
    Place value of each digit
    Ages 8–9 · high
  177. 193
    Ordering Numbers to 1000
    Ages 7–8 · high
  178. 194
    Representing Numbers
    Ages 6–8 · high
  179. 195
    Reading and writing numbers to 1000
    Ages 7–8 · med
  180. 196
    10 or 100 More or Less
    Ages 7–8 · med
  181. 197
    Counting Within 1,000
    Ages 7–8 · high
  182. 198
    Calculating with measurements
    Ages 7–8 · high
  183. 199
    Numbers on a number line
    Ages 6–7 · med
  184. 200
    Fluent adding and subtracting within 100
    Ages 7–8 · high
  185. 201
    Extending Table Patterns
    Ages 7–8 · med
  186. 202
    Guided Multi-Step Problem Solving
    Ages 6–7 · high
  187. 203
    Adding two two-digit numbers
    Ages 6–7 · med
  188. 205
    Bar graphs
    Ages 8–9 · high
  189. 206
    Factor Pairs & Commutativity
    Ages 8–9 · high
  190. 207
    Fluent multiplication and division facts
    Ages 8–9 · high
  191. 208
    Unknown in Multiplication & Division
    Ages 8–9 · med
  192. 210
    Understanding angles (age 8+)
    Ages 8–9 · high
  193. 212
    Equivalent fractions
    Ages 7–8 · high
  194. 213
    Simple Fraction Sums
    Ages 7–8 · high
  195. 214
    Comparing fractions
    Ages 7–8 · high
  196. 215
    Decimal equivalents of tenths and hundredths
    Ages 8–9 · high
  197. 216
    Fractions of a whole
    Ages 8–9 · high
  198. 217
    Types of angles
    Ages 8–9 · high
  199. 218
    Parallel and perpendicular lines
    Ages 7–8 · high
  200. 220
    Comparing Time Durations
    Ages 7–8 · high
  201. 221
    Written Multiplication
    Ages 8–9 · high
  202. 222
    Multi-Step Multiply & Divide
    Ages 7–8 · high
  203. 224
    Mental multiplication and division
    Ages 8–9 · med
  204. 225
    Roman numerals to 100
    Ages 8–9 · med
  205. 226
    Numbers to 10,000
    Ages 8–9 · high
  206. 227
    1000 More or Less
    Ages 8–9 · med
  207. 228
    Mentally adding hundreds to 3-digit numbers
    Ages 7–8 · med
  208. 229
    Mentally adding tens to 3-digit numbers
    Ages 7–8 · med
  209. 230
    Place Value to 1000
    Ages 7–8 · med
  210. 231
    Negative Numbers
    Ages 8–9 · high
  211. 232
    Converting measurement units
    Ages 8–9 · high
  212. 233
    Measuring Perimeters
    Ages 7–8 · high
  213. 234
    Estimating and comparing money
    Ages 8–9 · med
  214. 235
    Measuring Liquids & Masses
    Ages 8–9 · med
  215. 236
    Addition and subtraction within 1000
    Ages 7–8 · high
  216. 237
    Two-Step Word Problems
    Ages 7–8 · high
  217. 238
    Addition and subtraction strategies (age 7+)
    Ages 7–8 · high
  218. 239
    Addition and subtraction word problems
    Ages 7–8 · med
  219. 240
    Numbers on a number line
    Ages 7–8 · med
  220. 241
    Mental addition and subtraction (age 7+)
    Ages 7–8 · med
  221. 242
    Adding numbers
    Ages 7–8 · med
  222. 243
    Halves and quarters (age 7+)
    Ages 7–8 · med
  223. 244
    Mental and written addition and subtraction
    Ages 6–7 · med
  224. 248
    Patterns in Times Tables
    Ages 8–9 · med
  225. 249
    Multiplying by Tens
    Ages 8–9 · med
  226. 250
    Area and the distributive property
    Ages 8–9 · high
  227. 251
    Area of compound shapes
    Ages 8–9 · med
  228. 253
    Understanding fractions (age 7+)
    Ages 7–8 · high
  229. 254
    Adding Fractions (Same Denominator)
    Ages 8–9 · high
  230. 256
    Comparing fractions (age 7+)
    Ages 7–8 · med
  231. 257
    Decimal place value (age 8+)
    Ages 8–9 · high
  232. 258
    Dividing by 10 and 100
    Ages 8–9 · high
  233. 259
    Decimal place value
    Ages 8–9 · med
  234. 260
    Fractions on a number line (age 8+)
    Ages 8–9 · high
  235. 262
    Halves and quarters (age 8+)
    Ages 8–9 · high
  236. 263
    Comparing fractions (age 8+)
    Ages 8–9 · high
  237. 264
    Fractions of a whole (age 8+)
    Ages 8–9 · med
  238. 265
    Fractions as parts of shapes
    Ages 8–9 · med
  239. 268
    Shape patterns (age 7+)
    Ages 7–8 · med
  240. 269
    Numbers on a number line
    Ages 8–9 · high
  241. 270
    Multiply & Add Problems
    Ages 8–9 · high
  242. 273
    Comparing Large Numbers
    Ages 8–9 · high
  243. 276
    Perimeters of polygons
    Ages 8–9 · high
  244. 277
    Adding and subtracting (age 7+)
    Ages 7–8 · high
  245. 278
    Estimating by rounding
    Ages 7–9 · high
  246. 279
    Working with money
    Ages 7–8 · high
  247. 280
    Understanding fractions
    Ages 7–8 · high
  248. 287
    Mathematical Precision
    Ages 8–9 · high
  249. 288
    Fractions of amounts (harder)
    Ages 8–9 · med
  250. 292
    Equivalent fractions on a number line
    Ages 8–9 · high
  251. 299
    Using Mathematical Structure
    Ages 8–9 · high
  252. 305
    Missing number problems (age 7+)
    Ages 7–8 · high
  253. 306
    Justifying mathematical reasoning
    Ages 7–8 · high
  254. 307
    Choosing the right strategy
    Ages 7–8 · high
  255. 308
    Adding and subtracting (age 8+)
    Ages 8–9 · med
  256. 309
    Fluent adding and subtracting within 1000
    Ages 8–9 · med
  257. 310
    Rounding to 10, 100, 1000
    Ages 8–9 · high
  258. 311
    Modelling with multiplication and fractions
    Ages 8–9 · high
  259. 312
    Fractions on a number line
    Ages 8–9 · high
  260. 316
    Decimals and fractions
    Ages 8–9 · med
  261. 320
    Equivalent fractions (age 8+)
    Ages 8–9 · high
  262. 321
    Times tables (age 8+)
    Ages 8–9 · high
  263. 322
    Fraction-Decimal Equivalents
    Ages 8–9 · high
  264. 335
    Multi-Step Problem Solving
    Ages 7–8 · high
  265. 336
    Choosing mathematical tools
    Ages 8–9 · high
  266. 337
    Two-step addition and subtraction problems
    Ages 8–9 · med
  267. 340
    Two-Step Equations
    Ages 8–9 · high
  268. 341
    Place Value Problem-Solving
    Ages 8–9 · med
  269. 350
    Justifying mathematical reasoning (age 8+)
    Ages 8–9 · high
  270. 358
    Multi-Step Problem Solving
    Ages 8–9 · high