Topic 2: Comparing Numbers and Absolute Valuefor use before Thinking With Mathematical Models Investigation 1Rational numbers are numbers that can be expressed as one integerdivided by another non-zero integer.
If they are
correct, the hidden letters spell a word.
Vocabulary
• rational numbers • irrational numbers • absolute valueAt a GlanceRemind students that the prefix ir means “not,” so irrational means “notrational.”Tell students that every rational number corresponds to a point on thenumber line.
( is
approximately 3.14, so just to the right of 3.)•Compare and using ?.( ? ) When solving Problem 2.1, have f...
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