Measurement & time for Singapore primary maths
Choose a unit before measuring. Explore length, mass, volume, money and time, then connect conversions and calculations to the quantity being measured.
Choose your primary level and path. Each guide links to the interactive lesson and its prerequisite ideas.
Primary 1 measurement & time
- Count cents up to one dollarCount cents up to one dollar · About 8 minutes
- Count dollars up to 100 dollarsCount dollars up to 100 dollars · About 8 minutes
- Measure and compare lengths in centimetresMeasure and compare lengths in centimetres · About 8 minutes
- Draw a line to the nearest centimetreDraw a line to the nearest centimetre · About 8 minutes
- Read clocks to five minutes using am and pmRead clocks to five minutes using am and pm · About 8 minutes
- Relate hours and minutesRelate hours and minutes · About 8 minutes
- Find durations of one hour or half an hourFind durations of one hour or half an hour · About 8 minutes
Primary 2 measurement & time
- Write dollars and cents using decimal notationWrite dollars and cents using decimal notation · About 8 minutes
- Compare amounts of moneyCompare amounts of money · About 8 minutes
- Convert between dollars and centsConvert between dollars and cents · About 8 minutes
- Count amounts in dollars and centsCount amounts in dollars and cents · About 8 minutes
- Measure and compare length in metresMeasure and compare length in metres · About 8 minutes
- Measure and compare mass in grams and kilogramsMeasure and compare mass in grams and kilograms · About 8 minutes
- Measure and compare liquid volume in litresMeasure and compare liquid volume in litres · About 8 minutes
- Choose suitable measurement unitsChoose suitable measurement units · About 8 minutes
- Read clocks to the minuteRead clocks to the minute · About 8 minutes
- Convert between hours and minutesConvert between hours and minutes · About 8 minutes
Primary 3 measurement & time
- Add and subtract money in decimal notationAdd and subtract money in decimal notation · About 10 minutes
- Measure length in kilometres and liquid volume in millilitresMeasure length in kilometres and liquid volume in millilitres · About 10 minutes
- Use compound measurement unitsUse compound measurement units · About 10 minutes
- Convert km and m; m and cm; kg and g; litres and mlConvert km and m; m and cm; kg and g; litres and ml · About 10 minutes
- Use seconds as a unit of timeUse seconds as a unit of time · About 10 minutes
- Find start times, finish times and durationsFind start times, finish times and durations · About 10 minutes
- Read and use the 24-hour clockRead and use the 24-hour clock · About 10 minutes
- Measure area in square units cm² and m²Measure area in square units cm² and m² · About 10 minutes
- Find perimeters of rectilinear figuresFind perimeters of rectilinear figures · About 10 minutes
- Find areas of rectangles and squaresFind areas of rectangles and squares · About 10 minutes
Primary 4 measurement & time
- Find missing rectangle or square dimensions from area or perimeterFind missing rectangle or square dimensions from area or perimeter · About 10 minutes
- Find areas and perimeters of composite rectilinear figuresFind areas and perimeters of composite rectilinear figures · About 10 minutes
Primary 5 measurement & time
- Identify a triangle base and perpendicular heightIdentify a triangle base and perpendicular height · About 12 minutes
- Find the area of a triangleFind the area of a triangle · About 12 minutes
- Find areas of composite rectangles, squares and trianglesFind areas of composite rectangles, squares and triangles · About 12 minutes
- Measure volume with unit cubes and cm³ or m³Measure volume with unit cubes and cm³ or m³ · About 12 minutes
- Draw cubes and cuboids on isometric gridsDraw cubes and cuboids on isometric grids · About 12 minutes
- Find volumes of cubes and cuboidsFind volumes of cubes and cuboids · About 12 minutes
- Find liquid volume in rectangular tanksFind liquid volume in rectangular tanks · About 12 minutes
- Convert between litres, millilitres and cm³Convert between litres, millilitres and cm³ · About 12 minutes
Primary 6 measurement & time
- Find unknown dimensions of a cube or cuboidFind unknown dimensions of a cube or cuboid · About 12 minutes
- Relate volume base area and heightRelate volume base area and height · About 12 minutes
- Use square and cube roots to recover dimensionsUse square and cube roots to recover dimensions · About 12 minutes
Primary 5 Foundation measurement & time
- Use hours and minutesUse hours and minutes · About 12 minutes
- Find start times, finish times and durationsFind start times, finish times and durations · About 12 minutes
- Use the 24-hour clockUse the 24-hour clock · About 12 minutes
- Find rectangle and square areas and perimetersFind rectangle and square areas and perimeters · About 12 minutes
- Find missing dimensionsFind missing dimensions · About 12 minutes
- Find areas and perimeters of composite rectilinear figuresFind areas and perimeters of composite rectilinear figures · About 12 minutes
- Measure volume using unit cubes cm³ and m³Measure volume using unit cubes cm³ and m³ · About 12 minutes
- Represent cubes and cuboids on isometric gridsRepresent cubes and cuboids on isometric grids · About 12 minutes
Primary 6 Foundation measurement & time
- Identify a triangle base and perpendicular heightIdentify a triangle base and perpendicular height · About 12 minutes
- Find the area of a triangleFind the area of a triangle · About 12 minutes
- Find areas and perimeters of composite figures with rectangles, squares and trianglesFind areas and perimeters of composite figures with rectangles, squares and triangles · About 12 minutes
- Find volumes of cubes and cuboidsFind volumes of cubes and cuboids · About 12 minutes
- Find liquid volume in rectangular tanksFind liquid volume in rectangular tanks · About 12 minutes
- Convert between litres, millilitres and cm³Convert between litres, millilitres and cm³ · About 12 minutes