Math Club parodies the Matrix and Batman to explore the concept that subtraction is merely addition by adding the opposite.
Does subtraction exist? Take the red gift card and find out.
Addition and subtraction are two sides of the same coin and can be used to explain lots of things: elections, good and bad feelings, even retelling the plot of the Dark Knight. When the Matrix asks you to add long strings of positive and negative numbers for homework, we explain a neat little trick to help you out.
CCSS.Math.Content.7.NS.A.1c Understand subtraction of rational numbers as adding the additive inverse, p -- q = p + (--q).... apply this principle in real-world contexts.
Tagged under: CCSS.Math.Content.7.NS.A.1c,Subtracting adding positive negative numbers,subtracting signed numbers,additive inverse,Matrix parody,batman parody,PBS,Math,Pre-Algebra,Subtracting negative numbers
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