MathsroarJul 3, 20202 min readLCM and HCFLCM means Lowest Common Multiple and HCF means Highest Common Factor. There sre 4 parts to this: Basic LCM: Find the LCM of 4, 6 and 8....
MathsroarJun 17, 20201 min readIndicesAdvance warning - I cannot type indices properly, so I am just doing x^2 for x squared, etc. For those who are new entirely to this...
MathsroarJun 15, 20201 min readDividing fractionsHello again! Today we're going to look at dividing fractions. Please note that any mixed numbers will need to be converted to improper...
MathsroarJun 14, 20201 min readImproper fractions to mixed numbersWe've managed to convert mixed numbers to imoproper fractions, so let's try it the other way around. Our question is: Write 13/6 as a...
MathsroarJun 13, 20201 min readMixed numbers to improper fractionsSometimes we might get a question like this: Convert 3 1/4 into an improper fraction. First we multiply the number (3) by the denominator...
MathsroarJun 7, 20201 min readMultiplying fractionsOk, let's say we're given this question: Calculate 1/2 x 1/3 First of all, we multiply the numerators (the numbers on top): 1 x 1 = 1 And...
MathsroarMay 30, 20201 min readCalculating percentage increaseSo, let's say we're given this question: Poppy has £6. Her mum gives her an extra £2. Calculate the percentage increase in Poppy's money....
MathsroarMay 20, 20201 min readSets with Venn diagramsWelcome to the harder sets content, using Venn diagrams. So, we get this question: List the elements of a) A b) A ⋂ B c) A ⋃ B Ok,...
MathsroarMay 17, 20201 min readSets - basicSo, we have the set A. The things in set A are called ELEMENTS of set A. Let's say: A = {months of the year with less than 31 days} List...
MathsroarMay 15, 20201 min readAdding and subtracting fractionsThis looks hard, but is actually really simple. Try this: 3/8 + 1/4. Give your answer in its simplest form. First, we need a common...
MathsroarMay 15, 20201 min readPercentages, fractions and decimalsFirst of all, we need to know how to convert between percentages, fractions and decimals: Percentage - divide by 100 - Decimal - place...
MathsroarMay 4, 20201 min readDividing in a given ratioLet's say we're given this question: Divide £108 in the ratio 4:5. So, we now add 4 to 5. 4 + 5 = 9. Now we divide 108 by 9. 108/9 = 12....