Adding and Subtracting Integers Visual Number Talk for deepening understanding of the behaviours of adding negative numbers.
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Investigate subtracting negative numbers by finding the difference in temperature using the thermometer as a linear model number line.
In this visualization video, we re-introduce the zero principle to subtracting positive and negative integers. By showing black and red squares combining and...
In this post, we continue our work around integers from a visual perspective. You should definitely use the other integer posts first prior to attempting this task as...
In this video, we introduce the idea of subtracting integers by using simple subtraction of a positive by a positive (black squares) and negative subtracting a negative...
Last time, we added positive and negative integers using black and red squares. Now we will show the red squares first and students see that the rules are the same.
Adding and subtracting integers can be a challenge for many students. When students struggle with this idea, we often resort to memory tricks. Unfortunately, when...
Build a deeper understanding of the behaviours of multiplying and dividing positive and negative integers through a visual number talk.
Explore a real world integer multiplication context involving temperature where the rate is negative (decreasing hourly temperature) over time.
Investigate subtracting negative numbers by finding the difference in temperature using the thermometer as a linear model number line.