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Oak National Academy
12 questions
An __________ is any positive or negative whole number and zero.
Round 384 to the nearest 10.
Round 30.499999 to the nearest integer.
Round 0.0002832 to 1 significant figure.
When a number is rounded to the nearest integer it is 4. Select the possible unrounded numbers.
Round each number in the calculation to 1 significant figure and calculate the answer. \frac{89.7+9.58}{5.34+4.58}. Give your answer as an integer.
State the smallest and largest integers that round to 680 when rounded to the nearest 10.
State the smallest and largest integers that round to 500 when rounded to the nearest 20.
State the smallest and largest integers that round to 700 when rounded to the nearest 50.
An advert for a magazine says 37 000 people buy the magazine rounded to the nearest 1000. The fewest people who buy the magazine is ___ people.
A plot of rectangular land measure 2.39 km (1 d.p.) by 5.78 km (1 d.p.). Five pupils work out the area of the plot of land. Whose working out and answer shows the most accurate answer to 1 d.p?
A large plot of land has an area of 20 km². A small, rectangular lake with lengths 3.254 km by 4.814 km is planned, leaving the rest of the land as grass. Work out the area of grass to 1 d.p.
