LIMITS OF ACCURACY | O LEVELS (4024) & IGCSE (0580) | 2025 | Sir Arshad

𝟭 𝗡𝘂𝗺𝗯𝗲𝗿 𝟭.𝟭𝟬 𝗟𝗶𝗺𝗶𝘁𝘀 𝗼𝗳 𝗮𝗰𝗰𝘂𝗿𝗮𝗰𝘆 𝗡𝗼𝘁𝗲𝘀 𝗮𝗻𝗱 𝗲𝘅𝗮𝗺𝗽𝗹𝗲𝘀 1) Give upper and lower bounds for e.g. write down the upper bound of a length data rounded to a specified accuracy. measured correct to the nearest metre. 2)Find upper and lower bounds of the Example calculations include: results of calculations which have used • calculate the upper bound of the perimeter data rounded to a specified accuracy. or the area of a rectangle given dimensions measured to the nearest centimetre. • find the lower bound of the speed given rounded values of distance an

𝟭 𝗡𝘂𝗺𝗯𝗲𝗿 𝟭.𝟭𝟬 𝗟𝗶𝗺𝗶𝘁𝘀 𝗼𝗳 𝗮𝗰𝗰𝘂𝗿𝗮𝗰𝘆 𝗡𝗼𝘁𝗲𝘀 𝗮𝗻𝗱 𝗲𝘅𝗮𝗺𝗽𝗹𝗲𝘀 1) Give upper and lower bounds for e.g. write down the upper bound of a length data rounded to a specified accuracy. measured correct to the nearest metre. 2)Find upper and lower bounds of the Example calculations include: results of calculations which have used • calculate the upper bound of the perimeter data rounded to a specified accuracy. or the area of a rectangle given dimensions measured to the nearest centimetre. • find the lower bound of the speed given rounded values of distance an

𝟭 𝗡𝘂𝗺𝗯𝗲𝗿 𝟭.𝟭𝟬 𝗟𝗶𝗺𝗶𝘁𝘀 𝗼𝗳 𝗮𝗰𝗰𝘂𝗿𝗮𝗰𝘆 𝗡𝗼𝘁𝗲𝘀 𝗮𝗻𝗱 𝗲𝘅𝗮𝗺𝗽𝗹𝗲𝘀 1) Give upper and lower bounds for e.g. write down the upper bound of a length data rounded to a specified accuracy. measured correct to the nearest metre. 2)Find upper and lower bounds of the Example calculations include: results of calculations which have used • calculate the upper bound of the perimeter data rounded to a specified accuracy. or the area of a rectangle given dimensions measured to the nearest centimetre. • find the lower bound of the speed given rounded values of distance an

𝟭 𝗡𝘂𝗺𝗯𝗲𝗿 𝟭.𝟭𝟬 𝗟𝗶𝗺𝗶𝘁𝘀 𝗼𝗳 𝗮𝗰𝗰𝘂𝗿𝗮𝗰𝘆 𝗡𝗼𝘁𝗲𝘀 𝗮𝗻𝗱 𝗲𝘅𝗮𝗺𝗽𝗹𝗲𝘀 1) Give upper and lower bounds for e.g. write down the upper bound of a length data rounded to a specified accuracy. measured correct to the nearest metre. 2)Find upper and lower bounds of the Example calculations include: results of calculations which have used • calculate the upper bound of the perimeter data rounded to a specified accuracy. or the area of a rectangle given dimensions measured to the nearest centimetre. • find the lower bound of the speed given rounded values of distance an