Rates, speed, distance and timeIB MYP Maths Extended: Flashcards

What these 13 flashcards ask

State the formula for speed.
State the formula for time.
State the formula for distance.
How do you convert km/h to m/s?
How do you convert m/s to km/h?
Write 2 hours 30 minutes in hours.
Write 0.75 hours in minutes.
State the formula for average speed.
Is average speed the mean of the stage speeds?
State the formula for density.
A metal has density 2.7 g/cm^3. Find the mass of 350 cm^3.
Convert 1.35 kg to grams.
What is a rate?

Exam questions on Rates, speed, distance and time

A cyclist rides $45$ km in $2$ hours $30$ minutes.
At the same average speed, find how long she takes to ride $63$ km. Give your answer in hours and minutes.2 marks
A solid metal block has mass $540$ g and volume $200$ cm $^3$ .
A different piece of the same metal has mass $1.35$ kg. Find its volume.2 marks
A bus makes a journey in three stages: $60$ km at an average speed of $80$ km/h, then a rest stop of $30$ minutes, then $90$ km at an average speed of $60$ km/h.
Find the total time the bus spends travelling, not including the rest stop.3 marks

Written by the Exaim team, led by Shaun Daswani (Head of Upper Secondary, Improve ME Institute; MSc Financial Mathematics, Imperial College London; BSc, UCL) and Jason Daswani (operational lead, Improve ME Institute; LSE).