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# Upper and Lower Bounds. Intervals and Segments Video Tutorial

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2.2Upper and Lower Bounds. Intervals and Segments

In this Math video tutorial on Approximations we look into the field of Upper and Lower Bounds. Intervals and Segments and cover the following points:

• What are the lower and upper bounds in numbers?
• How to quickly express an estimated value of a mathematical expression using rounding?
• Using the concepts of upper and lower bound in practice to find the minimum and maximum value of any quantity
• What are intervals and segments? How are they expressed?
• How to show intervals and segments in a number line?
• What are half-intervals and half-segments? How are they expressed in symbols? How do we display them in a number line?
• How do we show rounding on a number line?

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2. Approximations Math tutorial: Upper and Lower Bounds. Intervals and Segments. Read the Upper and Lower Bounds. Intervals and Segments math tutorial and build your math knowledge of Approximations
3. Approximations Revision Notes: Upper and Lower Bounds. Intervals and Segments. Print the notes so you can revise the key points covered in the math tutorial for Upper and Lower Bounds. Intervals and Segments
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6. Continuing learning approximations - read our next math tutorial: Rounding and Significant Figures