# 9.02 Hours, minutes and seconds

Lesson

## Ideas

Can you skip count by 6s?

### Examples

#### Example 1

Complete this pattern by skip counting by 6s.

6,\,⬚,\,18,⬚,\,⬚,\,36,\,⬚,\,⬚,\,54,\,60

Worked Solution
Create a strategy

Add 6 to each number to find the next number.

Apply the idea

The completed sequence is: 6,\,12,\,18,24,\,30,\,36,\,42,\,48,\,54,\,60

Idea summary

We can skip count to complete a pattern.

## Hours, minutes, and seconds

Seconds, minutes, and hours all are units of time. It takes:

• 60 seconds to make up 1 minute,

• 60 minutes to make up 1 hour.

Let's look at how to convert between seconds, minutes, and hours.

### Examples

#### Example 2

Write the missing number in the box.

There are seconds in 1 minute.

Worked Solution
Create a strategy

Recall how many seconds are in 1 minute.

Apply the idea

There are 60 seconds in 1 minute.

Idea summary

Time conversions:

\begin{aligned} 1 &\text{ Week } &=&& 7 &\text{ Days} \\ 1 &\text{ Day } &=&& 24 &\text{ Hours} \\ 1 &\text{ Hour } &=&& 60 &\text{ Minutes} \\ 1 &\text{ Minute } &=&& 60 &\text{ Seconds} \end{aligned}

### Outcomes

#### MA2-13MG

reads and records time in one-minute intervals and converts between hours, minutes and seconds