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by

Mr Mattock

on 5 February 2017

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Starter
Examples
What masses do each of these scales show? Give units with each answer.
The speedometer shows the speed a car is travelling in mph. What speed is the car travelling?
L.O. - To read scales with different units.
How many tools can you name that we use to measure things?

What do they all have in common?
Starter
How many tools can you name that we use to measure things?
ruler,
tape measure
, clock,
weighing scale
, measuring jug...

What do they all have in common?
They all have a scale that is read.
The speedometer shows the speed a car is travelling in mph. What speed is the car travelling?
Each dash is 2mph, so 60 + 4 x 2 (or 70 - 2) = 68 mph.
Examples
What masses do each of these scales show? Give units with each answer.
Each dash is 20 grams
so 600 + 2 x 20 = 640 g
Each dash is 0.1 kg
so 4 + 6 x 0.1 = 4.6 kg
Each dash is 40 grams
so 3 x 40 = 120 grams
Activity
Complete the worksheet on reading scales.
Activity
Plenary
(1) 1000 ml

(2) 700 g
(3) 150 g

(4) 5 C
(5) 225 g

(6) 650 ml
(7) 32 C

(8) 750 ml
(9) 13 C

(10) 420 g
(11) 375 ml

(12) 550 g
(13) 650 g

(14) 1 C
(15) 425 ml

(16) 150 g

Activities
Activity

Key
Examples

Worked
Example

Worked
Example

o
o
o
o
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