Tag: comparing and ordering of decimals

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Questions Related to comparing and ordering of decimals

Multiple choice maths decimal numbers comparing and ordering of decimals more or less comparing decimals

Of the numbers 0.16, $\displaystyle \sqrt{0.16}$, $\displaystyle (0.16)^{2}$ and $\displaystyle 0.1\overline{6}$ the least number is

  1. $\displaystyle (0.16)^{2}$
  2. $\displaystyle \sqrt{0.16}$

  3. 0.16
  4. $\displaystyle 0.1\overline{6}$
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

0.16 = 0.16
$\displaystyle \sqrt{0.16}=0.4 $  $\displaystyle \Rightarrow 0.0256=\left ( 0.16 \right )^{2}$
$\displaystyle \left ( 0.16 \right )^{2}=0.0256 $  $\displaystyle \Rightarrow 0.0256=\left ( 0.16 \right )^{2}$
$\displaystyle 0.\overline{16}=0.1666....$  $\displaystyle \Rightarrow 0.0256=\left ( 0.16 \right )^{2}$
is the least

Multiple choice maths decimal numbers comparing and ordering of decimals more or less comparing decimals

Which of the following expressions is true?  

  1. 1.3749 < 1.0399

  2. 1.7908 < 1.879

  3. 1.526 < 1.2605

  4. 1.463 < 1.3902
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Option A =1.3749<1.03991.3749<1.0399, it should be 1.3749>1.03991.3749>1.0399

Option B=1.7908<1.8791.7908<1.879, it is true
Option C=1.526<1.26051.526<1.2605 , it should be 1.526>1.26051.526>1.2605
Option D=1.463<1.39021.463<1.3902, it should be1.463>1.39021.463>1.3902
Hence option B is the correct answer

Multiple choice maths decimal numbers comparing and ordering of decimals more or less comparing decimals

The widths of two boards are $8.125$ inches and $8\dfrac {1}{8}$ inches. Which number sentence correctly compares the widths of these two boards?

  1. $8.125 < 8 \dfrac {1}{8}$
  2. $8.125 = 8 \dfrac {1}{8}$
  3. $8.125 > 8 \dfrac {1}{8}$

  4. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

$8\dfrac {1}{8}$ inches = $8.125$ inches.
So, the widths of boards are equal.