New general mathematics for jss2

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 with a denominator of 10 or 100
• Operations with decimals: addition, subtraction, multiplication, division
• Converting fractions to decimals: dividing the numerator by the denominator

Topic 4: Percentages

• Definition of a percentage: a way of expressing a value as a fraction of 100
• Calculating percentages: finding a percentage of a value
• Solving percentage problems: finding the value of a percentage of a value

Topic 5: Ratios and Proportions

• Definition of a ratio: a comparison of two quantities
• Types of ratios: equivalent, equivalent proportions
• Solving ratio problems: finding the value of a ratio
• Solving proportion problems: finding the value of a proportion

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
• Types of data: qualitative, quantitative
• Measures of central tendency: mean, median, mode
• Measures of variation: 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 graph data

Topic 9: Mensuration

• Definition of mensuration: the measurement of areas and volumes
• Calculating areas: using formulas for triangles, quadrilaterals, and polygons
• Calculating volumes: using formulas for cylinders, cones, and spheres

Topic 10: Trigonometry

• Definition of trigonometry: the study of triangles
• Trigonometric ratios: sine, cosine, tangent
• Solving trigonometric problems: using trigonometric ratios

These are just some of the topics and notes on General Mathematics for JSS 2.