Level 1 Maths Facts Flashcards

(44 cards)

1
Q

How do we work out mean?

A

Add all numbers then divide by how many numbers there are.

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2
Q

How many centimetres in a metre?

A

100cm

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3
Q

How do we work out perimeter?

A

Add up all the sides

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4
Q

How many grams in a kilogram?

A

1000g

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5
Q

How do we work out median?

A

Put all numbers in order then find middle number

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6
Q

How many millilitres in a litre?

A

1000ml

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7
Q

How many metres in a kilometre?

A

1000 metres

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8
Q

Calculate 4²

A

16

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9
Q

How do we work out the area of a square or rectangle?

A

Multiply (times) length by width.

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10
Q

How do we work out range?

A

Biggest number subtract (take away) smallest number

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11
Q

How many millimetres in a centimetre?

A

10mm

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12
Q

What is mode?

A

The most common number

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13
Q

Calculate 6²

A

36

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14
Q

How would we work out three quarters (3/4) of 48?

A

36

(Divide by the bottom, times by the top)

48 ÷ 4 = 12

12 x 3 = 36

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15
Q

Calculate 8²

A

64

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16
Q

How do we work out volume?

A

Length x width x height

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17
Q

What’s the first thing we need to know when working with ratio?

A

The value of 1 part

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18
Q

How can we show a check of our answer?

A

Reverse Calculation
or
Estimation

19
Q

What does “percent” mean?

20
Q

What is 2.564789 rounded to 3 decimal places?

21
Q

What is “side elevation”?

A

The view from the side

22
Q

What is “plan view”?

A

The view from above

23
Q

What is “front elevation”?

A

The view from the front

24
Q

How many degrees in a full turn?

25
What is the name for a 90° angle?
Right angle
26
How many degrees on a straight line?
180°
27
What is the name for an angle between 0° and 90°?
Acute
28
What is the name for an angle between 90° and 180°?
Obtuse
29
What is the name for an angle between 180° and 360°?
Reflex
30
What is "symmetry"?
A mirror image of a shape
31
If we have used centimetres to work out an area, in which units should our answer be given?
cm²
32
If we have used metres to work out a volume, in which units should our answer be given?
33
How many minutes in an hour?
60
34
How many days in a year?
365
35
How many weeks in a year?
52
36
What is 1 half as a decimal?
0.5
37
Calculate 12²
144
38
Calculate 11²
121
39
Calculate 10²
100
40
What is half (1/2) as a percentage?
50%
41
What is a quarter (1/4) as a percentage?
25%
42
What is 75% as a fraction?
3/4
43
What is 50% as a decimal?
0.5
44
What is 25% as a decimal?
0.25