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20 Cards in this Set
- Front
- Back
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expand |
multiply out the brackets |
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term |
each part of an expression eg 3t + 4a is 2 terms |
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simplify |
combine the terms to make the expression simpler |
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solve |
opposite to the opposite side to find a value |
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factorise |
put in brackets |
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express as a product of prime factors |
use a prime factor tree |
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to find 10% |
divide by 10 |
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to find 1% |
divide by a 100 |
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to find 20% |
double 10% |
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3/10 ( 3 tenths) is the same as... |
0.3 or 30% |
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40% is the same as... |
0.4 or 4/10 (4 tenths) or 2/5 (2 fifths) |
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0.7 is the same as... |
70% or 7/10 (7 tenths) |
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change a decimal to a percentage by... |
timesing by 100 |
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change a percentage into a fraction by... |
writing as a fraction over 100 20% is 20/100 which is 1/5 |
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a ratio of 2:3 (we say 2 to 3) as fractions... |
is 2/5 (2 fifths) and 3/5 (3 fifths) |
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¾ and ¼ is the same as the ratio... |
3:1 (3 parts to 1 part) |
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a² means... (a squared means...) |
a x a |
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√9 is... (square root of 9 is...)
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3 |
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to find the 4th term in 3n+2... |
replace n with 4 |
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a sequence that goes up in 5's must start with... |
5n |
