Fractions, Proportions and Ratios
Knowledge
Compare and order fractions, decimals and percentages eg: 0.4, 50%, 4/5
Know how many tenths, hundredths and thousandths are in numbers to 3 decimal places eg 1.873 18 tenths, or 187 hundredths
Know what happens when a number is multiplied or divided by 10, 100, 1000 eg: 1.23 x 100 = 123 6.53? 10 = 0.653
Round decimals to the nearest 100, 10, 1, tenth, hundredth. eg: 9.876 9.88
Recall conversions between common fractions, decimals and percentages eg: 1/8= 0.125 = 12.5%
Know simple powers of numbers to 10 eg: 2 to the power of 3 is 8
Know the divisibility rules for 2,3,4,5,6,8,9,10 eg: 276 is divisible by 3 because 2+7+6 =15
Identify common factors of pairs of numbers eg: highest common factor of 72 & 81 = 9
Identify the lowest common multiple of pairs of numbers eg: the lcm of 6 & 8 = 24
Identify the prime numbers to 20 eg: 2, 3, 5, 7, 11, 13, 17, 19
