176 results in Skills Audits for Maths and Stats - search across all projects.
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Rewriting a trigonometric expression of the form Acos(θ)±Bsin(θ) to either Rsin(θ+α) or Rcos(θ+α) by calculating R and α.
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Rewriting a trigonometric expression of the form Asin(θ)−Bcos(θ) to Rsin(θ−α) by calculating R and α.
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Match the graphs to the functions. No randomisation. Multiple choice.
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Find the diagonal or one side of a rectangle using Pythagoras' theorem.
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Find the volume of a prism with a trapezium as a cross section from a diagram.
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Find the volume of a semicylinder from a diagram.
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Calculate the volume of different 3D shapes, given the units and measurements required. The formulae for the volume of each shape are available as steps if required.
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Calculate the volume of different 3D shapes, given the units and measurements required. The formulae for the volume of each shape are available as steps if required.
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Finding the area of a circle when given the diameter of the circle.
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Draws a triangle based on 3 side lengths and randomises asking for hypotenuse or not.
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Find the missing angle in a triangle using the fact that the angles add to 180 degrees.
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Basic calculation from a sum given in Sigma notation.
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Rewrite the expression mx2+nx+k(x+a)(x2+bx+c) as partial fractions in the form Ax+a+Bx+Cx2+bx+c.
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Simplifying first is essential in terms of managing expressions that might need factorising.
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A question to practice simplifying fractions with the use of factorisation (for binomial and quadratic expressions).
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Simplify the sum of two algebraic fractions where spotting factorising of both numerators and denominators can reduce the work massively.
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Simplify (qx+a)/(rx+b) +/- (sx+c)/(tx+d)
x is a randomised variable. a,b,c,d,q,r,s,t are randomised integers. a,b,c,d run from -5 to 5, including 0. q,r,s,t run from -3 to 3, and can be 0 if the constant term is nonzero, but are mostly 1.
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Factorising a quadratic expression of the form a2x2−b2 to (ax+b)(ax−b), using the difference of two squares formula.
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Factorise a quadratic equation where the coefficient of the x2 term is greater than 1 and then write down the roots of the equation
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Rearrange expressions in the form ax2+bx+c to a(x+b)2+c.
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Solving a quadratic equation via factorisation (or otherwise) with the x2-term having a coefficient of 1.
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Factorise three quadratic equations of the form x2+bx+c.
The first has two negative roots, the second has one negative and one positive, and the third is the difference of two squares.
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Rearrange a specific formula. No randomisation.
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Solving a pair of simultaneous equations of the form a1x+y=c1 and a2x2+b2xy=c2 by forming a quadratic equation.
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Solving a pair of linear simultaneous equations, giving answers as integers or fractions.
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Substitute values into an algebraic expression and calculate the result.
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Solve linear equations with unkowns on both sides. Including brackets and fractions.
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Fiind the Highest Common Factor of two algebraic expressions involving a coefficient and powers of x and y.
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Expand two brackets involving powers of x.
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Expanding two linear brackets multiplied together.