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The basis for mathematics is to solve problems. We use it in all areas of life.
"In 1945, the mathematician George Polya presented a four-step guideline for solving problems in his book How to Solve It [Pol88]. These four steps are simple and sensible, and they have become a framework for thinking about problem solving."
Visual representations help us problem solve.
Place value is the value of a digit in a number based on its position. It's the foundation of our number system, also known as the base ten or decimal system.
A number line, as its name suggests, is a straight horizontal line with numbers placed at equal intervals along its length. The numbers increase as you move from left to right and decrease as you move from right to left. Zero is considered the origin point.
Rounding numbers up or down makes them easier to work with.
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