GRADE 8 MATHEMATICS
FOR PRACTISE
FEBRUARY 1, 2025
L.S
, Topic 1: Numbers
- Integers: whole numbers, either positive, negative, or zero
- Rational numbers: numbers that can be expressed as a fraction, e.g. 3/4
- Irrational numbers: numbers that cannot be expressed as a fraction, e.g.
π
- Real numbers: all rational and irrational numbers
- Properties of numbers:
- Commutative property: a + b = b + a
- Associative property: (a + b) + c = a + (b + c)
- Distributive property: a(b + c) = ab + ac
Topic 2: Algebra
- Variables: letters or symbols that represent unknown values
- Expressions: combinations of variables, numbers, and operations
- Equations: statements that say two expressions are equal
- Inequalities: statements that say one expression is greater than or less
than another
- Solving equations and inequalities:
- Adding or subtracting the same value to both sides
- Multiplying or dividing both sides by the same non-zero value
- Using inverse operations to isolate the variable
Topic 3: Geometry
- Points: locations in space, represented by coordinates (x, y)
- Lines: sets of points that extend infinitely in two directions
- Angles: formed by two lines or rays that share a common endpoint
- Types of angles:
FOR PRACTISE
FEBRUARY 1, 2025
L.S
, Topic 1: Numbers
- Integers: whole numbers, either positive, negative, or zero
- Rational numbers: numbers that can be expressed as a fraction, e.g. 3/4
- Irrational numbers: numbers that cannot be expressed as a fraction, e.g.
π
- Real numbers: all rational and irrational numbers
- Properties of numbers:
- Commutative property: a + b = b + a
- Associative property: (a + b) + c = a + (b + c)
- Distributive property: a(b + c) = ab + ac
Topic 2: Algebra
- Variables: letters or symbols that represent unknown values
- Expressions: combinations of variables, numbers, and operations
- Equations: statements that say two expressions are equal
- Inequalities: statements that say one expression is greater than or less
than another
- Solving equations and inequalities:
- Adding or subtracting the same value to both sides
- Multiplying or dividing both sides by the same non-zero value
- Using inverse operations to isolate the variable
Topic 3: Geometry
- Points: locations in space, represented by coordinates (x, y)
- Lines: sets of points that extend infinitely in two directions
- Angles: formed by two lines or rays that share a common endpoint
- Types of angles:
