Tag: ways to multiply and divide

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Questions Related to ways to multiply and divide

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

Suman quickly estimated the product of $796\times 19$ in the following manner. He rounded each number to the nearest ten.
He multiplied these new numbers together.
What was Suman's estimate?

  1. $14,000$
  2. $15,010$
  3. $15,200$
  4. $16,000$
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

$796\xrightarrow {\text {rounded to nearest tens}}800$
$19\xrightarrow {\text {rounded to nearest tens}}20$
$\therefore 800\times 20=16,000$

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

In a school, there are 704 desks to place into 22 classrooms. If the same number of desks is placed in each classroom, how many desks will be there in each room ?

  1. 32

  2. 34

  3. 42

  4. 44
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

In a school, there are $704$ desk to place into $22$ classrooms.

If the same number of desks is placed in each classroom, then

desks will be there in each room

$=\dfrac{704}{22}$

$=32$

 

Hence, this is the answer.