27 results authored by Ioannis Lignos - search across all users.

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• Question

This question provides a list of data to the student. They are asked to find the mean, median, mode and range.

• Question

Addition, multiplication and division of fractions.

• Question

Multiplication of $2 \times 2$ matrices.

• Question

Understanding order of operations on a calculator and using power and root keys.

• Question

Addition, subtraction and multiplication of 2 x 2 matrices and multiplication by a scalar.

(Last three parts of original question removed.)

• Question

Converting binary number to decimal.

• Question

Given a number evaluate simple power, negative power, to one half.

• Question

Permutation of n objects; choosing e.g. 3 from 5.

• Question

A box contains $m$ white balls and $n$ black balls. A ball is drawn out of the box at random. What is the probability that the ball is black/white?

• Question

Shows how to define variables to stop degenerate examples.

• Question

Solve $p - t < \text{or}> q$

• Question

Understanding of intersection and union symbols.

• Question

Understanding order of operations on a calculator and using power and root keys.

• Question

Given a number evaluate simple power, negative power, to one half.

• Question

Simple Linear Equation.

$\dfrac{n}{a} \pm b = c$

• Question

Testing addition, multiplication and division involving negative numbers.

• Question

Understanding order of operations on a calculator and using power and root keys.

• Question

Footballer expects to score in a/b matches.

• Question

Find a% of b using a calculator. Suggested method to use decimal equivalent.

• Question

Solve $p - t < \text{or}> q$

• Question

A box contains $m$ white balls and $n$ black balls. A ball is drawn out of the box at random. What is the probability that the ball is black/white?

• Question

Converting a length in m to mm, cm and km.

• Question

Addition, multiplication and division of fractions.

• Ioannis's copy of Implication
Needs to be tested
Question

Implication sign and 'if, then' construction.

• Question

Implication sign and 'if, then' construction.

• Question

Solve $p - t < \text{or}> q$

• Question

Topics covered are calculating the mean, median, mode and standard deviation.

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