A number line is a straight line for representing the position of numbers relative the origin (the number 0). Intervals are usually marked with ticks and labels. Number lines come in so many different formats and varieties. Classroom number lines are hung on the wall of a class while individual number lines can fit on a desk and sometimes and can collapse or break into segments for more compact storage. Number lines can come in integer, decimal, or fraction formats. Number lines are incredibly flexible and versatile manipulatives that can be used for locating numbers, comparing numbers, fractions and mixed numbers, decimals, integers, absolute value, addition, subtraction, inequalities, multiples, common denominators, and more.
Allow students to do things that are difficult or impossible with physical number line manipulatives. The virtual number line can toggle between decimal and fraction format. Users can easily zoom in and out, so¸ the manipulative supports a very large range of numbers. Colored markers and resizable arrows can be added and moved around with ease. There are also special modes for inequalities, multiples and for working with a double number line.
WHAT TO TEACH
- Locating numbers on the number line
- Fractions and mixed numbers
- Equivalent Fractions
- Comparing and Ordering
- Adding and Subtracting Integers
- Adding and Subtracting Fractions
- Absolute Value
- Graphing Inequalities
- Commutative Property
- Common Denominator
- Multiplying and Dividing
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