Today s Title Today s Date To Learn Through Inquiry

Today’s Title. Today’s Date To Learn Through Inquiry 16 -Mar-18 Copy down the title and the date and underline them. Answer the self assessment questions and identify your start point on the Learning Journey ? / 09 / 15 To Learn through Inquiry.

5 4 3 2 Ratio and Proportion. 1 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 solve problems using ratio in appropriate situations. I understand can use proportionality. I can find formulae describing direct or inverse proportion and use them to solve problems. I can divide an amount into a given ratio. Use the self assessment questions to decide what your Starting Point (SP) is for this unit of work.

Write 16 : 12 in its simplest form. 28 pupils are going on a visit. They are in the ratio of 3 girls to 4 boys. How many boys are there? What is the ratio of black counters to white counters. Three bars of chocolate cost 90 p. How much would six bars cost? How much would twelve bars cost? The angles in a triangle are in the ratio 6: 5: 7. How do you go about finding the missing Find the sizes of the three angles. numbers in this table? Miles Kilometres 5 8 ? 20 36 ? Can you do it in a different way?

Ask a question or make a statement about this prompt. You can use the sentence starters to help you.

Four Problems The Zoo Keeper’s Problem, The Painter’s Problem, The Cafe Owner’s Problem and The MP 3 Player Problem. Each problem is made up of some easier questions and some harder questions. Choose which problem and which questions you want to answer. Use the boxes to help you answer the questions.

The Zoo Keeper’s Problem Eel A 5 cm Eel B 10 cm Eel C 15 cm Eel D 25 cm

Eels are fed in proportion to their length. They are fed: Vitamin Mix, Fish Food Frog Mash and Shell Fish Question 2 If Eel A gets 2 g of Vitamin Mix. How much does Eel C get? Question 1 If Eel A gets 2 g of Vitamin Mix how much does Eel B get? Question 3 If Eel B gets 12 g of fish food, how much does Eel C get? Question 4 If Eel C gets 9 g of Frog Mash how much does Eel D get?

The Painter’s Problem What is the cheapest way to buy • 1 litre? • 5 litres ? • 10 litres? • 15 litres? £ 8 per 1. 5 l pot £ 3 per 500 ml pot Buy 3 pots and get the cheapest half price

The Cafe Owner’s Problem Trina owns a Cafe. One of the House Specialities is its homemade fruit squash. This is Trina’s fruit squash recipe: For 6 People • 300 g chopped oranges • 1500 ml lemonade • 750 ml orange juice Question 1 Trina made fruit squash for ten people. How many millilitres of lemonade did she use? Question 2 Trina’s colleague Jim used two litres of orange juice for the same recipe. How many people was this enough for?

The MP 3 Problem The new model of an MP 3 player holds 1/6 more music than the previous model. The previous model holds 5000 tracks. Question 1 How many tracks does the new model hold? Question 2 The previous model cost £ 119. 99 and the new model costs £ 144. 99. Is this less than or greater than the proportional change to the number of tracks? Justify your answer.

No hands up questioning. Mini White Boards Ready!!!!!!

What’s the missing number? How do you know? 2 10 4

What’s the missing number? How do you know?

What’s the missing number? How do you know?

What’s the missing number? How do you know?

What’s the missing number? How do you know?