Determine square roots of rational numbers

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Examples
Lessons
  1. Use the graph below to determine a rational number with a square root between 4 and 5.
    Determine square roots of rational numbers
  2. Use the side lengths below to estimate and calculate the area of each square.
    1. 5.2 cm
    2. 0.027 km
  3. Find out if each of the following rational numbers is a perfect square.
    1. 8116\frac{{81}}{{16}}
    2. 0.1
    3. 0.01
    4. 514\frac{5}{{14}}
  4. Evaluate.
    1. 361\sqrt {361}
    2. 2209\sqrt {2209}
    3. 0.0169\sqrt {0.0169}
    4. 5.76\sqrt {5.76}
  5. Calculate.
    1. 56\sqrt {56} , to the nearest tenth
    2. 3.7\sqrt {3.7} , to the nearest hundredth
    3. 0.96\sqrt {0.96} , to the nearest hundredth
    4. 0.066\sqrt {0.066} , to the nearest hundredth