Maths

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chapter 10 and 7

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38 Terms

1
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To convert mm to cm what do you do?

÷10

2
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to convert cm to mm what do you do?

x10

3
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to convert cm to m what do you do?

÷100

4
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to convert m to cm what do you do?

x100

5
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to convert m to km what do you do?

÷1000

6
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to convert km to m what do u do?

x1000

7
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To convert to bigger units, we...

divide

8
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To convert to smaller units we

multiply

9
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To measure the size of a boat which metric unit would be most sutiable?

metres

10
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What is perimeter?

the outside distance of a shape

11
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What is the formula to calculate a circumference of a circle?

2πr or C = πd

12
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<p>What is a diameter(d)?</p>

What is a diameter(d)?

distance across the centre of a circle

13
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<p><span><strong><span>What is a radius(r)?</span></strong></span></p>

What is a radius(r)?

distance from the centre to the circle

14
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Note: d= 2r

ok!

15
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<p>What is the circumference of this? round to 2 decimals places</p>

What is the circumference of this? round to 2 decimals places

31.41

16
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<p>What is the circumference of this?</p>

What is the circumference of this?

6.2

17
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What is an arc?

a portion of the circumference of a circle

18
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What is the formula for finding the arc length?

l= 0/360 x 2πr

19
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What is the formula for finding the perimeter of a sector?

p= 0/360 x 2πr + 2r

20
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<p>What is the arc length? (round to 2 decimal places)</p>

What is the arc length? (round to 2 decimal places)

11.52

21
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<p>Find the perimeter of this sectors (round to 2 decimals places)</p>

Find the perimeter of this sectors (round to 2 decimals places)

12.19

22
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What is the formula to find the area of a rectangle?

Area= length x breadth

23
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What is the formula of the area of a parallelogram

A= lxb

24
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<p>What is the area of this parallelogram?</p>

What is the area of this parallelogram?

204cm²

25
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<p>What is the area of this parallelogram?</p>

What is the area of this parallelogram?

1.62m²

26
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What is the formula for area of a triangle?

A= ½ b x h

27
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<p>What is the area of this triangle?</p>

What is the area of this triangle?

27m²

28
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<p>Find the area of this composite shape</p>

Find the area of this composite shape

40cm²

29
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What is volume

It is the amount of space inside an object

30
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What is the formula of a rectangular prism?

V= length x breadth x height

31
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<p>What is the volume of this rectangular prism?</p>

What is the volume of this rectangular prism?

84m³

32
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What is the formula of a triangular prism?

V= ½ b x h x h

33
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<p>What is the volume of this triangular prism?</p>

What is the volume of this triangular prism?

9cm³ 

34
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1cm³ is equal to?

1ml

35
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Convert the following into L= 500ml

0.5L

36
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Convert the following into grams= 2.47kg

2470g

37
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<p>What was is indicated on this scale?</p>

What was is indicated on this scale?

4kg

38
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<p>What temperature is indicated on this scale</p>

What temperature is indicated on this scale

37°C