GCSE Secondary Maths Age 13-17 - Number: Fractions, Decimals and Percentages - Explained

The video tutorial explains how to round the number 1.59 to one decimal place. It begins by clarifying the concept of rounding to a specific decimal place, then walks through the process of rounding 1.59 by examining the digits involved. The tutorial concludes with the final rounded answer of 1.6, emphasizing the rule that numbers five or more round up.

What does it mean to round a number to one decimal place?

• To have three digits after the decimal point

• To have two digits after the decimal point

• To have one digit after the decimal point

• To have no digits after the decimal point

When rounding 1.59, which digit do you look at to decide if you round up?

• The digit two places after the decimal point

• The digit three places after the decimal point

• The digit after the decimal point

• The digit before the decimal point

If the digit next to the one being rounded is 9, what should you do?

• Add a zero

• Leave it as it is

• Round up

• Round down

What is the final rounded value of 1.59 to one decimal place?

• 1.8

• 1.7

• 1.6

• 1.5

How many marks is the question worth?

• Four marks

• Two marks

• One mark

• Three marks