These Year 10 units, estimation, rounding and bounds multiple choice questions check your understanding of units, estimation, rounding and bounds with 10 questions for pupils aged 14-15. Each question has four answers, and the right one is explained as soon as you choose.
Year 10 units, estimation, rounding and bounds multiple choice questions: the 10 questions
3.2 km in metres is
4.572 to 2 decimal places is
0.07396 to 2 significant figures is
A number 6 rounded to the nearest integer has error interval
1 m\(^2\) equals
2500 rounded to 1 significant figure is
Which gives a good estimate of \(\dfrac{4.8\times6.1}{0.9}\)?
(Higher) \(x=2.4\) to 1 d.p. The lower bound of \(x\) is
(Higher) A length is 15 cm to the nearest cm. The upper bound is
(Higher) \(a=4\) and \(b=5\), both to the nearest integer. The smallest possible value of \(ab\) is
How to use these Year 10 units, estimation, rounding and bounds multiple choice questions
First, read each question carefully before you look at the four answers. Then work the answer out on paper, so that you do not simply guess. After that, read the explanation, even when you are right. If you score less than 7 out of 10, go back to the units, estimation, rounding and bounds lesson.
Finally, practise more with the units, estimation, rounding and bounds worksheet and the quiz. Moreover, all the pages of this chapter work together, so you can move between them at any time. For example, many pupils read the lesson on Monday, practise on Wednesday and test themselves on Friday.


















