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Decimals

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CONTENTS

ITEM TYPE NUMBER
Working with decimals Workout 42 slides
Working with decimals Library 16 questions
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SAMPLE FROM THE WORKOUT

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SLIDE 1 - QUESTION 1

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SLIDE 2 - SOLUTION

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SAMPLE FROM THE LIBRARY

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QUESTION [difficulty 0.1]

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SOLUTION

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DEPENDENCIES

174: Understanding fractions
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176: Decimals
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178: Percentages

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CONCEPTS

ITEM
LEV.
0.1 as 1/10 and 0.01 as 1/100 368.1
Word expressions to decimals 368.3
Decimals to fractions 368.5
Decimals and fractions of an interval 368.7
Estimation of measurement 368.9
Estimation of measurement 369.1
0.001 = 1/1000 369.3
Sequences with decimals 369.5
0.5 = 1/2 369.7
0.25 = 1/4 369.9
Fractions of money 370.5
Addition of decimals 371.1
Subtraction of decimals 373.3
Sums of measurements using decimals 373.9
Money calculations with decimals 374.1

RAW CONTENT OF THE WORKOUT

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Decimals Write the following as decimals SLID12 RULER 13 SLIDE 25 Work out ? ? ? ? ? ? ? ? ? ? SLIDE 26 ? ? ? ? ? ? ? ? ? ? SLIDE 25 B Work out ? ? ? ? ? ? ? ? ? ? SLIDE 26 B ? ? ? ? ? ? ? ? ? ? SLIDE 27 Work out ? ? ? ? ? ? ? ? ? ? SLIDE 28 ? ? ? ? ? ? ? ? ? ? SLIDE 27 B Work out ? ? ? ? ? ? ? ? ? ? SLIDE 28 B ? ? ? ? ? ? ? ? ? ? SLIDE 29 ? At the rapid hairdressers Bill’s hair was cut in 95 seconds. But Graham’s hair was cut in half the time. How long did it take to cut Graham’s hair? ? A packet of boiled sweets cost 40p. There were 80 sweets in the packet. How much did each boiled sweet cost? ? Guy ran a sprint in 22 seconds. Speedy ran the same sprint in of Guy’s time. How long did Speedy take? ? A pizza at one supermarket cost £5. At the rival supermarket the same pizza was only of the price. What did the pizza cost at the rival supermarket? SLIDE 30 ? At the rapid hairdressers Bill’s hair was cut in 95 seconds. But Graham’s hair was cut in half the time. How long did it take to cut Graham’s hair? ? A packet of boiled sweets cost 40p. There were 80 sweets in the packet. How much did each boiled sweet cost? 0.5p ? Guy ran a sprint in 22 seconds. Speedy ran the same sprint in of Guy’s time. How long did Speedy take? ? A pizza at one supermarket cost £5. At the rival supermarket the same pizza was only of the price. What did the pizza cost at the rival supermarket? SLIDE 29 B ? At the rapid hairdressers Bill’s hair was cut in 95 seconds. But Graham’s hair was cut in half the time. How long did it take to cut Graham’s hair? ? A packet of boiled sweets cost 40¢. There were 80 sweets in the packet. How much did each boiled sweet cost? ? Guy ran a sprint in 22 seconds. Speedy ran the same sprint in of Guy’s time. How long did Speedy take? ? A pizza at one store cost $5. At the rival store the same pizza was only of the price. What did the pizza cost at the rival store? SLIDE 30 B ? At the rapid hairdressers Bill’s hair was cut in 95 seconds. But Graham’s hair was cut in half the time. How long did it take to cut Graham’s hair? ? A packet of boiled sweets cost 40¢. There were 80 sweets in the packet. How much did each boiled sweet cost? 0.5¢ ? Guy ran a sprint in 22 seconds. Speedy ran the same sprint in of Guy’s time. How long did Speedy take? ? A pizza at one store cost $5. At the rival store the same pizza was only of the price. What did the pizza cost at the rival store? SLIDE 31 Example Work out ? ? ? ? ? ? ? ? ? ? SLIDE 32 ? ? ? ? ? ? ? ? ? ? SLIDE 33 Example Work out ? ? ? ? ? ? ? ? ? ? SLIDE 34 ? ? ? ? ? ? ? ? ? ? SLIDE 35 ? ? ? ? ? ? ? ? SLIDE 36 ? ? ? ? ? ? ? ? SLIDE 36 ? ? ? SLIDE 37 ? ? ? SLIDE 38 Find the missing measurements ? ? ? ? SLIDE 39 ? ? ? ? SLIDE 41 ? Entrance tickets to a zoo. Adult: £5.75 Child: £3.25 Two adults visit this zoo with their child. How much does it cost for them to enter? ? Art materials Block of paper: £8.25 Paints: £4.90 Paint brush: £3.75 If I buy one of each of these, what must I pay? ? Cinema Adult ticket: £4.99 Child ticket: £2.99 Popcorn: £1.55 One adult, three children, two bags of popcorn. What is the total bill? SLIDE 42 ? Entrance tickets to a zoo. Adult: £5.75 Child: £3.25 Two adults and one child: ? Art materials Block of paper: £8.25 Paints: £4.90 Paint brush: £3.75 One of each: ? Cinema Adult ticket: £4.99 Child ticket: £2.99 Popcorn: £1.55 One adult, three children, two bags of popcorn. SLIDE 41 B ? Entrance tickets to a zoo. Adult: $5.75 Child: $3.25 Two adults visit this zoo with their child. How much does it cost for them to enter? ? Art materials Block of paper: $8.25 Paints: $4.90 Paint brush: $3.75 If I buy one of each of these, what must I pay? ? Cinema Adult ticket: $4.99 Child ticket: £$.99 Popcorn: $1.55 One adult, three children, two bags of popcorn. What is the total bill? SLIDE 42 B ? Entrance tickets to a zoo. Adult: $5.75 Child: $3.25 Two adults and one child: ? Art materials Block of paper: $8.25 Paints: $4.90 Paint brush: $3.75 One of each: ? Cinema Adult ticket: $4.99 Child ticket: $2.99 Popcorn: $1.55 One adult, three children, two bags of popcorn.