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3 Cards in this Set
- Front
- Back
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Algebra Basics
Grade E |
Negative numbers:
+ + makes + + - makes - - + makes - - - makes + |
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Multiplying out brackets
Grade D - single brackets ^3 etc. means squared, or cubed... |
Expand the following...
a) 3(2y + 5) =3 x 2y + 3 x 5 =6y + 15 b) 4a(3b - 2c) = 4a x 3b + 4a x -2c =12ab + 8ac c) -4(3p^2 - 7^3) = -4 x 3p^2 + -4 x 7q^3 = -12p^2 + 28q^3 |
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Fractions, decimals, percentages
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1/2 0.5 50%
1/4 0.25 25% 3/4 0.75 75% 1/3 0.3333 33.1/2% 2/3 0.6666 66.2/3% 1/10 0.1 10% 2/10 0.2 20% 1/5 0.2 20% 2/5 0.4 40% |
