Curated Video
Subtracting Numbers Using the Number Line
This video teaches learners to subtract more efficiently, by counting back using a number line.
Curated Video
Counting Up to Subtract
“Counting Up to Subtract” demonstrates how to use the counting up strategy to subtract within 20.
Curated Video
Multiplication with Positive and Negative Integers: Noticing Patterns
In this video, the teacher explains how to multiply positive and negative integers by noticing patterns. They use the example of water temperature in a swimming pool decreasing 2 degrees every hour to demonstrate the concept. By...