New general mathematics for jss 2
Here are some topics and notes on General Mathematics for JSS 2:
Topic 1: Number Systems
- Natural Numbers: 1, 2, 3,...
- Whole Numbers: 0, 1, 2, 3,...
- Integers:..., -3, -2, -1, 0, 1, 2, 3,...
- Rational Numbers: fractions and decimals
- Irrational Numbers: numbers that cannot be expressed as a finite decimal or fraction
Topic 2: Fractions
- Definition of a fraction: a part of a whole
- Types of fractions: proper, improper, mixed
- Operations with fractions: addition, subtraction, multiplication, division
- Simplifying fractions: reducing fractions to their simplest form
Topic 3: Decimals
- Definition of a decimal: a way of writing fractions as a decimal
- Operations with decimals: addition, subtraction, multiplication, division
- Converting fractions to decimals: using a calculator or by hand
Topic 4: Percentages
- Definition of a percentage: a way of expressing a part of a whole as a fraction of 100
- Calculating percentages: finding a percentage of a number
- Solving percentage problems: using formulas and calculations
Topic 5: Ratios and Proportions
- Definition of a ratio: a comparison of two quantities
- Types of ratios: equivalent, equivalent proportions
- Solving ratio problems: using cross-multiplication and other methods
Topic 6: Algebra
- Introduction to algebra: solving linear equations and inequalities
- Solving linear equations: using addition, subtraction, multiplication, and division
- Solving linear inequalities: using addition, subtraction, multiplication, and division
Topic 7: Statistics
- Definition of statistics: the study of data and its analysis
- Types of data: qualitative, quantitative
- Measures of central tendency: mean, median, mode
- Measures of dispersion: range, interquartile range
Topic 8: Graphs
- Definition of a graph: a visual representation of data
- Types of graphs: line graphs, bar graphs, pie charts
- Interpreting graphs: reading and understanding data from graphs
Topic 9: Mensuration
- Definition of mensuration: the measurement of areas and volumes
- Types of shapes: triangles, quadrilaterals, polygons, circles
- Calculating areas and volumes: using formulas and calculations
Topic 10: Trigonometry
- Definition of trigonometry: the study of triangles and their relationships
- Types of triangles: right-angled, oblique
- Trigonometric ratios: sine, cosine, tangent
These are just some of the topics and notes on General Mathematics for JSS 2.