Art of Problem Solving: Introducing Ratios - YouTube
How Many Nickels Make a Dollar? - YouTube
Which price is the most cost efficient? Why? There is a 14% sale on the 125. What is the new price?
Learning Ratios - YouTube
Optimization - Minimum time to cross river
There is a 30% sale on the Seafood Bistro. How much is the new price?
Multiplicative Thinking Activities
This video talks about the importance of proportional reasoning in mathematics for students.
▶ Visualizing Proportional Reasoning: Working With Ratios and Proportions - YouTube
10: Shifting students from NZC Level 2 to Level 3 by developing multiplicative strategies | nzmaths
Year 8 Strategy 2 m) - YouTube
Teachertoolsnz - YouTube