Mathematics
Standard 5 · 38 topics available
Chapter 1 · Whole Numbers and Operations
Number Value
Every digit has a place and a value — let's find out what each digit is really worth!
OpenPrime Numbers
A prime number has exactly two factors. Let's learn to spot the primes!
OpenEstimation
Estimating helps us get a quick, close answer without exact working.
OpenRounding Off Numbers
Rounding makes numbers simpler by moving them to the nearest ten, hundred or thousand.
OpenNumber Patterns
Numbers can follow a rule. Find the pattern and predict what comes next!
OpenBasic Operations
Add, subtract, multiply and divide whole numbers with confidence.
OpenMixed Operations
When operations mix, do × and ÷ before + and −. Brackets come first!
OpenUse of Unknowns
Meet the mystery letter! Learn how a letter can stand for a hidden number.
OpenProblem Solving
Turn word stories into number sentences and solve them step by step.
OpenChapter 2 · Fractions, Decimals and Percentages
Fractions
Parts of a whole! Learn to read, compare and add simple fractions.
OpenDecimals
The point that shows small parts! Read and add decimals with confidence.
OpenPercentages
Out of 100! Learn to find percentages of everyday amounts.
OpenProblem Solving
Real-life stories with fractions, decimals and percentages, solved step by step.
OpenChapter 3 · Money
Basic Operations Involving Money
Ringgit and sen! Add, subtract, multiply and share money like a smart shopper.
OpenMixed Operations Involving Money
Learn the order of operations with money: do × and ÷ before + and −, and brackets first.
OpenSavings and Investments
Discover how saving a little each time grows your money, and how investments can grow (or fall).
OpenCredit and Debt Management
Learn what credit and debt mean, and smart ways to pay back money you owe.
OpenProblem Solving
Solve everyday money word problems with 4 steps: understand, plan, solve, check.
OpenChapter 4 · Time
Duration
Find how long something lasts. Duration = end time − start time.
OpenRelationships Between Units of Time
Learn how seconds, minutes, hours, days, weeks, months and years connect.
OpenBasic Operations Involving Time
Add and subtract time carefully: remember that 60 minutes make 1 hour.
OpenProblem Solving
Learn to solve time word problems using 4 simple steps.
OpenChapter 5 · Measurement
Chapter 6 · Space
Regular Polygons
Recognise regular polygons and find their perimeters.
OpenAngles
Name angles and use angles on a straight line.
OpenPerimeter and Area
Learn to measure the distance around a shape and the flat space it covers.
OpenVolume of a Solid
Find out how much space a box or a cube takes up using cubic units.
OpenProblem Solving
Use perimeter, area and volume to solve everyday word problems step by step.
OpenChapter 7 · Coordinates, Ratio and Proportion
Coordinates in the First Quadrant
Learn to name and plot points on a grid using (x, y) coordinates.
OpenRatio
Compare two amounts and write them in the simplest form with a colon.
OpenProportion
When two ratios are equal, find the missing amount using the value of one.
OpenProblem Solving
Use coordinates, ratio and proportion to solve everyday word problems.
OpenChapter 8 · Data Handling
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