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Oak National Academy
12 questions
__________ shows how precise a number or measurement is.
Match each number to its rounded value.
A square plot of grass has a length of 2.89 m to 2 decimal places. Select the correct estimate for the area of the square grass plot.
Match each number to its rounded value.
Which of the following are correct, quick estimate calculations for {4.56\times8.95} \over {0.498}?
Match each calculation to its correct approximate answer.
__________ is the simplifying a number by 'cutting off' one or more of the digits and replacing them with zeros if necessary to preserve place value.
Match each number with its truncated value to 1 significant figure.
Truncate 49.999999 to 3 significant figures. Select the correct response.
Jacob thinks of a number. Truncated to 1 s.f. Jun's number is 100. Jun's number is a multiple of 8 and it is 105 when rounded to the nearest 5.
Match the appropriate treatment of the answer (exact, rounded to truncated) to each context.
In computer science, ‘INT’ or ‘int’ is used to truncate a number so to only give the integers. For example, INT(56/10) has an output of 5. Match each computer instruction to its output.
