🧠 The Math Xone · Grade 7 · Equations & Geometry
Grade 7 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. 11 doors in all.
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The Grade 7 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
Rational Numbers
Positive + Positive = Positive
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Door 2
Ratios & Proportions (Advanced)
Proportion = two equal ratios
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Door 3
Exponents & Powers
Exponent = how many times the base is multiplied by itself
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Door 4
Algebraic Expressions (Two-step)
Only like terms (same variable AND same exponent) can be combined
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Door 5
One-Step & Two-Step Equations
Always perform the same operation on BOTH sides
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Door 6
Inequalities (One Variable)
Open circle = (value not included)
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Door 7
Scale Drawings & Similar Figures
Similar = same shape, different size
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Door 8
Angles in Parallel Lines & Triangles
Corresponding angles are EQUAL
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Door 9
Circles (Basics)
radius (r) = half of diameter: r = d/2
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Door 10
Probability (Intro)
Probability is always between 0 and 1 (inclusive)
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Door 11
Statistics (Measures of Center & Variability)
Mean is sensitive to outliers (extreme values)
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Prefer to read first? Browse all the Grade 7 concepts, or check your progress.