lo: read scales and convert measures. ·use a system to work out increments ·read scales...
TRANSCRIPT
![Page 1: LO: Read scales and convert measures. ·Use a system to work out increments ·Read scales accurately. ·Covert measures once scales have been read. Success](https://reader030.vdocuments.us/reader030/viewer/2022032600/56649da95503460f94a96289/html5/thumbnails/1.jpg)
LO: Read scales and convert measures.
·Use a system to work out increments
·Read scales accurately.
·Covert measures once scales have been read.
Success CriteriaI can...
![Page 2: LO: Read scales and convert measures. ·Use a system to work out increments ·Read scales accurately. ·Covert measures once scales have been read. Success](https://reader030.vdocuments.us/reader030/viewer/2022032600/56649da95503460f94a96289/html5/thumbnails/2.jpg)
![Page 3: LO: Read scales and convert measures. ·Use a system to work out increments ·Read scales accurately. ·Covert measures once scales have been read. Success](https://reader030.vdocuments.us/reader030/viewer/2022032600/56649da95503460f94a96289/html5/thumbnails/3.jpg)
Can you remember the important measures conversions?
1 Kg = 1000g
1 Km = 1000m
1L = 1000ml
1m = 100 cm1 cm = 10mm
Measures_l_ml.ppt
length conversion WWtbaM.ppt
mass_wwtbam.ppt
capacity_wwtbam_LJ.ppt
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Can you remember Mr Heap's system for reading scales?
DirectionEstimateIncrementsFillAccurateMeasurements
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Activity 1
Design reading scales questions for your partner. You will need to give them some measurements to help them and an arrow showing the measurement needed.
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Activity 2 Design word questions to go with the scales. How much/many more...?How much is left...?How much water is needed to make...?What is the difference between...?
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This is the scale on the side of a measuring jar.There is some coloured water in the jar.
How much more water is needed to make 2 litres?
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·Convert measures into the same measurement e.g. kg to g
·Read the question and underline key information
·Choose the correct operation to work it out
·Organise the calculation clearly in my book to get the final answer
LO: To solve problems involving measures.
Success CriteriaI can...
![Page 11: LO: Read scales and convert measures. ·Use a system to work out increments ·Read scales accurately. ·Covert measures once scales have been read. Success](https://reader030.vdocuments.us/reader030/viewer/2022032600/56649da95503460f94a96289/html5/thumbnails/11.jpg)
![Page 12: LO: Read scales and convert measures. ·Use a system to work out increments ·Read scales accurately. ·Covert measures once scales have been read. Success](https://reader030.vdocuments.us/reader030/viewer/2022032600/56649da95503460f94a96289/html5/thumbnails/12.jpg)
Activities
1. Testbase
2. Own measures word problems - 2 step, conversion
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The information is in metres and centimtres it will make it easier to work out if I change it all to one measurement.
What operation is the question asking us to use?
What will the calculation look like?
What is the answer, with the unit as well?
20m = 2000cm
subtration
2000 - 150
1850 cm or 18.5m
There is a fence which is 20 metres long. The wind blows 150 cm of it away. How much of the fence is left?
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There are 3 balls of cotton. Each of pieces of cotton are 3 metres long. How many cm of string are there altogether?
The information is in metres, the answer need to be in cm, so we need to covert the information first.
What operation is the question asking us to use?
What will the calculation look like?
What is the answer, with the unit as well?
3m = 300cm
multiplication
3 x 300
900 cm
![Page 15: LO: Read scales and convert measures. ·Use a system to work out increments ·Read scales accurately. ·Covert measures once scales have been read. Success](https://reader030.vdocuments.us/reader030/viewer/2022032600/56649da95503460f94a96289/html5/thumbnails/15.jpg)
The information is in metres and the answer needs to be in cm I will need to convert the m into cm.
What operation is the question asking us to use?
What will the calculation look like?
What is the answer, with the unit as well?
1.5m = 150cm
multiplication
150 x 3
450 cm
There are 3 rolls of wrapping paper. Each roll has 1.5 m of wrapping paper on it. How many cm is there of wrapping paper altogether?
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Item
Ham
Cheese
Tea
Coffee
Milk
Cost
60 p for 100 grams
£4.80 for 1 kg
90p for 200 grams
£1.20 for 125 grams
75p for 1 litre
How much would it cost for 200 grams of ham?How much would it cost for 500 grams of tea?If you spend £2.40 on coffee how much coffee would they have bought?
Teacher Note: Questions are piled on top of one another.
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What is this device going to measure in?
Grams and Kilograms
300 g
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425g
How many grams?
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0.9 kg
How many kilograms?
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600ml
How many ml?
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250ml
How many ml?
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675ml
How many ml?
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0.5l
How many litre?
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3.5 cm
How many cm?
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2.1 cm
How many cm?
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46 mm
How many mm?
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100 200
What does each line represent?
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100 200
130
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100 200
190
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100 200
230
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100 200
265
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100 200
What does each line represent?
300
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100 200 300
120
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100 200 300
240
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100 200 300
360
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100 200 300
230
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Attachments
capacity_wwtbam_LJ.ppt
mass_wwtbam.ppt
length conversion WWtbaM.ppt
Measures_l_ml.ppt