MathOS
COMPETENCY BASED CURRICULUM · JUNIOR SCHOOL
GRADE 7
GRADE 8
GRADE 9
18 MODULES
OFFLINE
Number & Algebra
Measurement & Geometry
Data, Finance & Patterns
MathOS v5
SHIFTALPHADEG
NORMMATHFRACDEG
0
a b/c
d/dx
x²
xʸ
x⁻¹
Logₓy
sin⁻¹
cos⁻¹
tan⁻¹
10ˣ
eˣ
PreAns
Linear Equations
GR 8–9
x +y =
x +y =
Enter coefficients then press Solve.
Matrix 2×2
GR 9
⎡
⎣
⎣
⎤
⎦
⎦
Enter matrix values above.
Ratio & Percentage
GR 7–8
Operation
Select an operation above.
Fractions
GR 7
Operation
Numerator 1
Denominator 1
Numerator 2
Denominator 2
Enter fraction values above.
Indices / Exponents
GR 8–9
Operation
Base (a)
Power m
Power n
Select operation above.
Sector Geometry
GR 8–9
Find
Select what to find above.
Shapes — Area & Perimeter
GR 7–9
Shape
Select a shape above.
Volume & Surface Area
GR 7–9
Solid
Select a solid above.
Pythagoras' Theorem
GR 8
Find
Side a
Side b
Enter two sides to find the third.
Trigonometry
GR 9
Find
Ratio
Select what to find above.
Graph Plotter
GR 8–9
Line 1
yx+
Line 2
yx+
Adjust equations above.
Statistics
GR 7–9
Data (comma-separated)
Calculate
Enter data above.
Probability
GR 8–9
Type
Select a probability type above.
Hire Purchase
GR 9
Cash Price
Hire Purchase Price (Ksh)
Deposit (Ksh)
Installment / Month (Ksh)
Number of Months
How it works:
HP Price = Deposit + (Installment × Months)
Interest = HP Price − Cash Price
Fill what you know — the app finds the rest automatically.
HP Price = Deposit + (Installment × Months)
Interest = HP Price − Cash Price
Fill what you know — the app finds the rest automatically.
Fill in the known values and press Analyse.
Tax & Money
GR 8–9
Operation
Select operation above.
Sequences
GR 7–9
Type
Select sequence type above.
Speed / Distance / Time
GR 7–8
Find
Speed
Distance
Time
Enter two known values above.
