These financial activities are recorded as various actions on positive and negative integers, all affecting the net worth of the business. Students view the Powers of Ten video, developed to show how one's view of the world is affected by changes in the order of magnitude of one's position. Students explore absolute values as the distance between two points on a number line and compare this to subtraction. Students measure the circumference and diameter of 15 to 20 round objects, recording the results in a table. They discuss why pi is represented in the drawing as the slope of the line.
Students construct line segments of varying irrational lengths on a geoboard or dot paper.
Through exploring these common irrational numbers that arise in problem situations, students learn that not all numbers can be represented as a ratio of two integers. They plot the numbers on the horizontal scale, and their square roots on the vertical scale. In 3 years, her Dad will be 3 times as old as she. Develop number sense necessary for estimation. Then her pet would be returned to her.