Numeracy Worksheet - Castlebrae Community High School - 2012 Page 46
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47FHS Numeracy
contents page
Mathematical Dictionary (Key words):
Term
Definition
Add; Addition (+)
To combine 2 or more numbers to get one number (called the sum
or the total)
Example: 12+76 = 88
a.m.
(ante meridiem) Any time in the morning (between midnight and 12
noon).
Approximate
An estimated answer, often obtained by rounding to nearest 10,
100 or decimal place.
Axis
Calculate
Find the answer to a problem. It doesn’t mean that you must use a
calculator!
Data
A collection of information (may include facts, numbers or
measurements).
Denominator
The bottom number in a fraction (the number of parts into which
the whole is split).
Difference (-)
The answer to a subtraction calculation (amount between 2
numbers). Example: The difference between 50 and 36 is 14
50 – 36 = 14
Digit
A single number.
The digits are 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
Discount
Amount of money you save on an item.
Sharing a number into equal parts.
Division ()
24 6 = 4
Double
Multiply by 2.
Equals (=)
Makes or has the same amount as.
Equivalent
Fractions which have the same value.
6
1
fractions
Example
and
are equivalent fractions
12
2
Estimate
To make an approximate or rough answer, often by rounding.
Evaluate
To work out the answer.
Even
A number that is divisible by 2.
Even numbers end with 0, 2, 4, 6 or 8.
Factor
A number which divides exactly into another number, leaving no
remainder.
Example: The factors of 15 are 1, 3, 5, 15.
Frequency
How often something happens. In a set of data, the number of
times a number or category occurs.
Greater than (>)
Is bigger or more than.
Example: 10 is greater than 6.
10 > 6
Gross Pay
The amount of money you earn before any deductions are taken.
Histogram
A bar chart for continuous numerical values.
46
L Watson 2012
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