New general mathematics jss 2
Here are some topics and notes for General Mathematics JSS 2:
Topic 1: Number Systems
- Introduction to number systems
- Types of numbers: natural numbers, whole numbers, integers, rational numbers, irrational numbers
- Operations on numbers: addition, subtraction, multiplication, division
- Properties of numbers: commutative, associative, distributive properties
Topic 2: Fractions
- Introduction to fractions
- Types of fractions: proper, improper, mixed
- Operations on fractions: addition, subtraction, multiplication, division
- Equivalent fractions
- Simplifying fractions
Topic 3: Decimals
- Introduction to decimals
- Types of decimals: terminating, non-terminating
- Operations on decimals: addition, subtraction, multiplication, division
- Converting fractions to decimals
Topic 4: Percentages
- Introduction to percentages
- Finding percentages of a quantity
- Finding the percentage increase or decrease
- Solving percentage problems
Topic 5: Ratios and Proportions
- Introduction to ratios and proportions
- Types of ratios: simple, compound
- Operations on ratios: addition, subtraction, multiplication, division
- Solving ratio and proportion problems
Topic 6: Algebra
- Introduction to algebra
- Solving linear equations: one-step, two-step
- Solving linear inequalities
- Graphing linear equations
Topic 7: Geometry
- Introduction to geometry
- Points, lines, and planes
- Angles: types, measurements
- Properties of shapes: congruent, similar, symmetry
Topic 8: Measurement
- Introduction to measurement
- Units of measurement: length, mass, capacity, time
- Converting between units
- Solving measurement problems
Topic 9: Statistics
- Introduction to statistics
- Types of data: qualitative, quantitative
- Measures of central tendency: mean, median, mode
- Measures of dispersion: range, interquartile range
Topic 10: Graphs and Charts
- Introduction to graphs and charts
- Types of graphs: line, bar, pie
- Interpreting graphs and charts
- Creating graphs and charts
Here are some sample questions for each topic:
Topic 1: Number Systems
- What is the difference between a natural number and a whole number?
- Simplify the expression: 2 × 3 + 5
Topic 2: Fractions
- What is the equivalent fraction of 1/2?
- Add 1/4 and 1/6
Topic 3: Decimals
- Convert the fraction 3/4 to a decimal
- Subtract 0.5 from 2.8
Topic 4: Percentages
- Find 25% of 120
- Find the percentage increase from 100 to 120
Topic 5: Ratios and Proportions
- Simplify the ratio 2:3
- Solve the proportion: 3/4 = x/6
Topic 6: Algebra
- Solve the equation: 2x + 5 = 11
- Solve the inequality: 3x - 2 > 5
Topic 7: Geometry
- What is the sum of the interior angles of a triangle?
- Find the perimeter of a rectangle with length 5cm and width 3cm
Topic 8: Measurement
- Convert 2.5 meters to centimeters
- Find the volume of a cube with side length 4cm
Topic 9: Statistics
- Find the mean of the data: 2, 4, 6, 8
- Find the range of the data: 1, 2, 3, 4, 5
Topic 10: Graphs and Charts
- Create a bar graph to represent the data: 10, 20, 30, 40
- Interpret the line graph: y = 2x + 1
Note: These are just sample questions and may not be exhaustive or representative of the actual exam questions.