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.