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To Assess my Understanding of Ratio and Proportion 27-Nov-18
Today’s Title. Today’s Date To Assess my Understanding of Ratio and Proportion 27-Nov-18 To Assess my Understanding of Types of Number ? / 09 / 15 Copy down the Title and Date and underline them. Starter Activity Complete the ‘Heard the Word Grid.’ Are there any key words that you have learnt or have a better understanding of now than you did at the start of this unit of work?
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5 4 3 2 1 Ratio and Proportion. I can use ratio to compare one amount to another. I can simplify a ratio. I can compare prices of products to find the ‘best buy.’ I can divide an amount into a given ratio. I can solve problems using ratio in appropriate situations. I understand and can use proportionality. I can find formulae describing direct or inverse proportion and use them to solve problems.
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Equivalent Simplify Divide Direct Proportion Indirect Proportion
Key Words / symbols Never heard before? Heard of but not sure what it means? Know what it means and can explain it in context Jot down your ideas here... Equivalent Simplify Divide Direct Proportion Indirect Proportion
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1 Question Answer Fluency What is the ratio of black counters to white counters? Problem Solving A movie theatre sold 50 tickets, 40 of these were child tickets and the other 10 were adult tickets. Circle the ratio of the number of child tickets to the number of adult tickets? 50: : : :40 Reasoning True or false? ‘When you write a ratio the largest number has to be written first.’ Give a reason for your answer.
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Answers and Working Out
2 Question Answers and Working Out Fluency Write 24 : 18 in its simplest form. Problem Solving 28 pupils are going on a visit. They are in the ratio of 3 girls to 4 boys. How many boys are there? Reasoning Convince me that 100g of butter is better value for money than 500g. cookies. 100g butter £0.40 500g butter £2.10
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Answers and Working Out
3 Question Answers and Working Out Fluency The ratio of yogurt to fruit puree used in a recipe is 5 : 2 If you have 250g of yogurt, how much fruit puree do you need? Problem Solving Potting compost is made from loam, peat and sand in the ratio 7:3:2. A gardener used 1.5 litres of peat to make compost. How much loam did she use? How much sand did she use? Reasoning The ratio of boys to girls in a class is 4 : 5. There are more than 10 pupils in the class. How many pupils could there be in the class? How do you know?
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Answers and Working Out
4 Question Answers and Working Out Fluency Which pack is better value for money? Pack A - 26 Cookies for £1.30 Pack B - 36 Cookies for £1.49 (You must show your working out.) Problem Solving Reasoning Here are the ingredients needed to make 16 gingerbread men. Apple Crumble for 2 people 10 ounces apples 4 ounces flour 2 ounces sugar 1 ounce butter 1 teaspoon baking powder 1 ounce = 28 grams David uses 140 grams of butter. How many people he is making apple crumble for? Jack has 162g of butter. Explain why he does not have enough butter to make 24 gingerbread men. 180 g flour 40 g ginger 110 g butter 30 g sugar
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5 Question Answer and Working Out Fluency Find the missing numbers in this table. Problem Solving If of a tank can be filled in 2 minutes, how many minutes will it take to fill the whole tank? Reasoning A farmer has enough cattle feed to feed 300 hens for 20 days. Convince me that if he buys 100 more hens, the same amount of feed will only last for 15 for days. Pints Litres 5 2.8 14 36
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Use the space below to set yourself a question similar to the ones you were able to answer confidently. Use the space below to answer the question that you have set yourself My own question… My answer…
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5 4 3 2 1 Ratio and Proportion. I can use ratio to compare one amount to another. I can simplify a ratio. I can compare prices of products to find the ‘best buy.’ I can divide an amount into a given ratio. I can solve problems using ratio in appropriate situations. I understand and can use proportionality. I can find formulae describing direct or inverse proportion and use them to solve problems.
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My teachers probing question
My answer What I will do to act upon my ‘Even Better If’’ comment Strategy Tick the strategy you will use. Complete a mymaths lesson or booster pack Use a revision guide or text book Ask my teacher to explain during a lesson Ask a peer to explain during a lesson Ask someone at home to help Attend a revision session at school Attend homework club Something else (describe your strategy here) Dialogue marking sheet.
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