Time, Distance, Speed And Other Compound Measures

Question 1

How to convert seconds into minutes?

Answer 1

Seconds/60. Then minus the whole number which is the minutes and then multiply decimals by 60.

Question 2

How to add time?

Answer 2

And the minutes together then the hours. Don’t forget to carry the hours over if necessary.

Question 3

Adding time on a calculator.

Answer 3

Use the time button 0’ “

So 9 (0’ “)35 (0’ “) + 2 (0’ “) 15 (0’ “) = 11:50

Question 4

How to subtract time?

Answer 4

Use the addition method. When need to round a time to the nearest hour to make calculation easier.

Question 5

How to multiply time?

Answer 5

Multiply hours and minutes separately (like addition method) and then dived minutes by 60 if need be.

Question 6

How to divide time.

Answer 6

Convert time into minutes and then divide by the fraction you want.

Question 7

What is a compound measure?

Answer 7

A way of comparing how one quantity is changed when another one does.

The word “Per” is used to compare units of measurement.

Question 8

How is the relationship of D S T represented?

Answer 8

It is represented in a triangle:

D at the tip and S A at the bottom.

If to letters appear side by side it means multiply and if one is below the other it means divide.

Question 9

Formula for average speed

Answer 9

Total distance travelled/total time taken