Rounding decimals to whole numbers Alfie asks Which

Rounding decimals to whole numbers Alfie asks, “Which of the following numbers will round down to 0 and round up to 1? Explain your reasoning. ” 0. 4, 0. 2, 0. 7, 0. 9, 0. 6, 0. 5, 0. 7, 0. 1, 0. 4 to 0. 2, 0, 0. 5, 0. 9 up 0. 6 to 1 Click to show answers. When rounding to the nearest whole number, any number less than 0. 5 (not including 0. 5) is rounded down. Any number greater than or equal to 0. 5 is rounded up.

Rounding in Real Life Fatima and Laura write some real life questions where rounding may be used. With a partner, suggest a question using the following measures where the measure is rounded to the nearest whole number. In each case, give the answer. £ 23. 40 is collected for a charity. How much is raised, rounded to the nearest pound? 68. 5 cm A stick is 68. 5 cm long. How long is the stick to the nearest centimetre? 4. 8 l 12. 1 kg A bucket has a capacity of 4. 8 l. What is the capacity of the bucket to the nearest litre? A bag of potatoes weighs 12. 1 kg. What is the weight of the bag to the nearest kilogram? 179. 4 km A cyclist cycles 179. 4 km. How far did the cyclist cycle to the nearest kilometre? 45. 2 ml A glass contains 45. 2 ml of water. How much water is there in the glass to the nearest millimetre? 26. 7 m A pupil throws a ball 26. 7 m. How far was the ball thrown to the nearest metre?