🌱 The Math Xone · Grade 3 · Times Tables & Fractions
Grade 3 maths, one door at a time.
Open a chapter door, read the concepts on the whiteboard, then walk the corridor and solve the questions to clear it. 18 doors in all.
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- ⭐ Up to 3 stars per door
- 📱 Works on any device
The Grade 3 doors
Each door is one chapter of the maths syllabus. Clear a door to earn stars; your stars are saved on this device.
Door 1
Place Value to 10,000
4-digit numbers have Thousands, Hundreds, Tens, Ones from left to right
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Door 2
Comparing & Ordering Numbers
Compare numbers starting from the LEFT (the biggest place value)
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Door 3
Addition with Regrouping
Regrouping (carrying) is needed when a column adds up to 10 or more
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Door 4
Subtraction with Regrouping
Borrowing is needed when the top digit is smaller than the bottom digit
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Door 5
Multiplication Facts (1-10)
Practice all facts from 1x1 to 10x10 daily
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Door 6
Multiplication: 2-digit × 1-digit
Multiply the ones first, then the tens
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Door 7
Division Basics
Division splits a number into equal groups; the sign is ÷
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Door 8
Fractions on a Number Line
Denominator = total equal parts between 0 and 1
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Door 9
Money
100 paise = ₹1
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Door 10
Measurement: Length
Units of length from small to big: mm, cm, m, km
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Door 11
Measurement: Mass & Capacity
Mass is how heavy something is, measured in grams (g) and kilograms (kg)
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Door 12
Time
Short hand = hour, long hand = minute
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Door 13
Perimeter
Perimeter = total distance around the shape
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Door 14
Area (Counting Squares)
Area = number of unit squares inside a shape
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Door 15
Points, Lines, Rays, Angles
Point = dot (no size)
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Door 16
Quadrilaterals
All quadrilaterals: 4 sides + 4 angles
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Door 17
Patterns
A repeating pattern repeats the same group
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Door 18
Scaled Graphs
Scaled graph: value = bar height x scale number
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Prefer to read first? Browse all the Grade 3 concepts, or check your progress.