Estimation and rounding test questions

1

What is \({1,356}\) to the nearest hundred?

2

What is \({213.8}\) to the nearest whole number?

3

Estimate the total cost of five packets of sweets that cost \(\pounds{2.95}\) each, and two drinks costing \(\pounds{1.45}\) each.

4

Estimate what \(\pounds{208}\) is divided between three people.

5

Round \({23.517}\) to one decimal place.

6

Round \({476.357}\) to two decimal places.

7

Which number has three significant figures?

8

Round \({46.673}\) to two significant figures.

9

Round \({0.04518}\) to three significant figures.

10

A number squared makes \({30}\). What is this number correct to one decimal place?