Tag: multiplication methods

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Multiple choice maths ways to multiply and divide mental multiplication multiplication methods multiplication of numbers

The property satisfied by the division of whole number is

  1. closure property

  2. commutative property

  3. associative property

  4. none of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
OPTION A- A set is closed under an operation if performance of that operation on members of the set always produces a member of that set. For example, the positive integers are closed under addition, but not under subtraction: is not a positive integer even though both 1 and 2 are positive integers.

OPTION B- Division of the whole numbers is not commutative. If a and b are the two whole numbers, then a ÷ b ≠ b ÷ a.

OPTION C- The associative property states that you can add or multiply regardless of how the numbers are grouped. By 'grouped' we mean 'how you use parenthesis'. In other words, if you are adding or multiplying it does not matter where you put the parenthesis. 

So the correct answer is none of these, option D.

Multiple choice maths ways to multiply and divide mental multiplication multiplication methods multiplication of numbers

One symbol represents 5 ballons then number of symbols to be drawn to represent 60  ballons is

  1. 5

  2. 60

  3. 10

  4. 12
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

$\Rightarrow$  $1$ symbol represents $5$ balloons.

$\Rightarrow$ Number of symbols represents $60$ balloons $=\dfrac{60}{5}$
                                                                               $=12$
$\therefore$  Required answer is $12$.