Numeracy · Guided Practice

Rounding

22 questions with answers and video solutions. Try each one before revealing the answer.

1
How many significant figures does 208 have?

No hints on this one — its full written solution is with the answer.

2
How many significant figures does 30082 have?

No hints on this one — its full written solution is with the answer.

3
How many significant figures does 0.02 have?

No hints on this one — its full written solution is with the answer.

4
How many significant figures does 0.000805 have?

No hints on this one — its full written solution is with the answer.

5
How many significant figures does 125.50 have?

No hints on this one — its full written solution is with the answer.

6
How many significant figures does 2040 have?

No hints on this one — its full written solution is with the answer.

7
How many significant figures does 98.2 have?

No hints on this one — its full written solution is with the answer.

8
How many significant figures does 450 have?

No hints on this one — its full written solution is with the answer.

9
How many significant figures does 1.00023 have?

No hints on this one — its full written solution is with the answer.

10
How many significant figures does 0.999 have?

No hints on this one — its full written solution is with the answer.

11
How many significant figures does 9.99 have?

No hints on this one — its full written solution is with the answer.

12
Round 208 to 2 significant figures.

No hints on this one — its full written solution is with the answer.

13
Round 30082 to 3 significant figures.

No hints on this one — its full written solution is with the answer.

14
Round 0.02 to 1 significant figure.

No hints on this one — its full written solution is with the answer.

15
Round 0.000805 to 2 significant figures.

No hints on this one — its full written solution is with the answer.

16
Round 125.50 to 2 significant figures.

No hints on this one — its full written solution is with the answer.

17
Round 2040 to 2 significant figures.

No hints on this one — its full written solution is with the answer.

18
Round 98.2 to 1 significant figure.

No hints on this one — its full written solution is with the answer.

19
Round 450 to 1 significant figure.

No hints on this one — its full written solution is with the answer.

20
Round 1.00023 to 3 significant figures.

No hints on this one — its full written solution is with the answer.

21
Round 0.999 to 2 significant figures.

No hints on this one — its full written solution is with the answer.

22
Round 9.99 to 2 significant figures.

No hints on this one — its full written solution is with the answer.

Practice questions courtesy of Maths.scot. Full written solutions are on his site — the links above go straight to them.