2026 Grade 10 Essential Mathematics Lesson Plans – Week 1-Week 14 Term 2

It covers the following strands and sub-strands:

• 2.0 Measurements and Geometry
  • 2.3 Trigonometry
    • Identify sides of right-angled triangles relative to a given angle
    • Determine sine ratio of acute angles
    • Determine cosine ratio of acute angles
    • Determine tangent ratio of acute angles
    • Apply SOH CAH TOA ratios in real-world problem solving
    • Relate trigonometric ratios to angles of elevation
    • Measure height using clinometers and tape measures
    • Relate trigonometric ratios to angles of depression
    • Solve problems involving sine, cosine, and tangent in architecture and engineering
  • Area of Polygons
    • Trigonometric formula for area of a triangle (1/2 ab sin C)
    • Calculating area of rhombuses and parallelograms
    • Area of regular pentagons and hexagons
    • Decomposing irregular polygons into standard triangles and rectangles
    • Investigating perimeter and area relationships
    • Societal impact of polygon area calculations (city planning, agriculture)
  • Circle Sectors and Segments
    • Definition and area formula of a circle sector
    • Relationship between sector angle and circle fraction
    • Area of segments bounded by chords and arcs
    • Applications of sectors in visual data (pie charts)
    • Solving problems involving arched designs and tank levels
  • Surface Area and Volume of Solids
    • Surface area of cones using sector nets
    • Surface area of square-based pyramids
    • Surface area of spheres and solid hemispheres
    • Solving multi-step problems for domes and tents
    • Distinguishing surface area from volume and capacity
    • Volume relationships between cylinders and cones
    • Volume of pointed solids and spheres
• Commercial Arithmetic
  • Budgeting and Transactions
    • Defining budgets for managing income and expenses
    • Personal and household budgeting (needs vs wants)
    • Interpreting bank statements and digital mobile money ledgers
    • Analyzing credits and debits in business transaction logs
    • Reading structured financial data from spreadsheets and tables
  • Profit, Loss, and Commissions
    • Conditions for profit and loss based on cost and selling price
    • Calculating percentage profit and loss for comparison
    • Multi-step business scenarios involving bulk buying and manufacturing costs
    • Applying discounts and paying commissions
    • Converting currency and factoring in commission fees