Singapore · Standard Mathematics
Primary 3 maths lessons
Work with four-digit numbers, multiplication and division with remainders. Explore equivalent fractions, time and duration, area, perimeter, angles and bar graphs.
31 lessons and 24 interactive activities. No sign-in is needed to read or practise.
Primary 3 fractions
- Equivalent fractionsRecognise that different fractions can name the same amount · About 12 minutes
- Simplest formFind a common factor of the numerator and denominator · About 10 minutes
- Generate equivalent fractionsGenerate equivalent fractions · About 10 minutes
- Simplify fractionsSimplify fractions · About 10 minutes
- Compare unlike fractions with denominators up to 12Compare unlike fractions with denominators up to 12 · About 10 minutes
- Find a missing numerator or denominatorFind a missing numerator or denominator · About 10 minutes
- Add and subtract related fractions within one wholeAdd and subtract related fractions within one whole · About 10 minutes
Primary 3 whole numbers
- Represent numbers to 10000 using place valueRepresent numbers to 10000 using place value · About 10 minutes
- Read and write numbers to 10000Read and write numbers to 10000 · About 10 minutes
- Compare, order and continue patterns to 10000Compare, order and continue patterns to 10000 · About 10 minutes
Primary 3 operations
- Add and subtract up to four-digit numbersAdd and subtract up to four-digit numbers · About 10 minutes
- Mentally add and subtract two-digit numbersMentally add and subtract two-digit numbers · About 10 minutes
- Recall the 6, 7, 8 and 9 multiplication tablesRecall the 6, 7, 8 and 9 multiplication tables · About 10 minutes
- Interpret remaindersInterpret remainders · About 10 minutes
- Multiply up to three digits by one digitMultiply up to three digits by one digit · About 10 minutes
- Divide up to three digits by one digitDivide up to three digits by one digit · About 10 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 3 geometry
- Identify right anglesIdentify right angles · About 10 minutes
- Compare angles with a right angleCompare angles with a right angle · About 10 minutes
- Recognise perpendicular and parallel linesRecognise perpendicular and parallel lines · About 10 minutes
- Draw perpendicular and parallel linesDraw perpendicular and parallel lines · About 10 minutes
Primary 3 data & graphs
- Read and interpret bar graphs with different scalesRead and interpret bar graphs with different scales · About 10 minutes