Ghana curriculum lesson note

Basic 6 Mathematics Term 1 Week 12 Lesson Plan

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Week 12: Lesson Plan
Subject: Mathematics
Class: Basic 6
Strand: NumberSub-strand: Ratio And Proportion
Indicator (code): B6.1.4.2.3 Use various strategies to solve, proportional reasoning problems involving, rates and scalesContent Std (code): B6.1.4.2 Understand the concept of, proportion and its relationship to ratios and, rates. Use proportional reasoning and rates to, solve real world and mathematical problems
Performance Indicator: Learners can use various strategies to solve proportional reasoning, problems involving rates and scalesCore Competencies: Problem Solving skills; Critical Thinking;
T.L.R.(s): bottle tops in two colours, beans and maize grains, exercise booksKeywords: Ratio, Scales, Rates
Phase 1: Starterpreparing the brain for learning
Take learners through math mental to solve the following.
Phase 2: Mainnew learning including assessment
Guide learners to use diagrams to explain the concept of rate a ratio that compares two different quantities measured in different units; e.g. the ratio → cost: weight = 8:2 = 4:1. This ratio is the unit ratio and show the rate for selling a unit or 1kg of the meat. Guide learners to work out rates and use them in solving problems. E.g. A litre of sachet water costs 40p. Find the cost of (i) 12 litre (ii) 7 liters (iii) 9 liters Learners to use diagrams to explain the concept of scale as a ratio that compares two different sizes – an object and its model; e.g. plan of a house or room. Here is the plan of a bedroom. The scale is 1:100, which means that 1cm in the drawing represents 100 cm in the actual Room. what is the actual length of (i) the room if it measures 41 2 cm; (ii) the bed if it measures 1.8cm?] Learners to use diagrams to explain the concept of scale as a ratio that compares two different sizes – an object and its model; e.g. plan of a house or room. Here is the plan of a bedroom. The scale is 1:100, which means that 1cm in the drawing represents 100 cm in the actual room. What is the actual length of (i) the room if it measures 41 2 cm; (ii) the bed if it measures 1.8cm?] Work out scales and use them in solving problems; e.g. If 10cm on a map stands for 10km, what distances on the map stands for (i) 1km (ii) 7km (iii) 41km? For this activity, learners use bottle tops in two colours, beans and maize grains and exercise books to build and compare concrete ratios before recording equivalent ratios and solutions.
Phase 3plenary / reflections
Give learners task to complete whiles you go round to guide those who don’t understand. Give remedial learning to those who special help. Give learners task to complete whiles you go round to guide those who don’t understand. Give remedial learning to those who special help. Give learners task to complete whiles you go round to guide those who don’t understand. Give remedial learning to those who special help. Give learners task to complete whiles you go round to guide those who don’t understand. Give remedial learning to those who special help. Give learners task to complete whiles you go round to guide those who don’t understand. Give remedial learning to those who special help.

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