MATHS - Numbers - Rounding

The video tutorial covers two types of rounding: to decimal places and to significant figures. It begins with the basic rules of rounding, explaining how numbers below 5 are rounded down and numbers 5 or above are rounded up. The tutorial provides examples of rounding whole numbers to the nearest ten and decimals to specific decimal places. It also explains rounding to significant figures, using examples to illustrate the process. The video concludes with a summary of the rounding techniques discussed.

What is the result of rounding 43 to the nearest ten?

• 50

• 40

• 30

• 60

If you round 5.32 to one decimal place, what is the result?

• 5.4

• 5.3

• 5.5

• 5.2

Which of the following numbers is rounded to two decimal places?

• 5.32

• 5.321

• 5.33

• 5.3

What is the first significant figure in the number 31,248?

• 3

• 1

• 2

• 4

How would you round 42,085 to two significant figures?

• 42,080

• 42,090

• 42,100

• 42,000