English

Measure the length of the floor of your classroom in meters. Also, measure the width. So how many children can sit in one square meter? - Mathematics

Advertisements
Advertisements

Question

Measure the length of the floor of your classroom in meters. Also, measure the width.

  • So how many children can sit in one square meter?
Short Note

Solution

Number of children in one square meter

=  `"Total Number of children"/ "Area of the floor"`

= `80/40`

= `1/2`

shaalaa.com
  Is there an error in this question or solution?
Chapter 11: Area and its Boundary - Area and its Boundary [Page 151]

APPEARS IN

NCERT Math - Magic [English] Class 5
Chapter 11 Area and its Boundary
Area and its Boundary | Q B) 3. | Page 151

RELATED QUESTIONS

Let ABCD be a parallelogram of area 124 cm2. If E and F are the mid-points of sides AB and
CD respectively, then find the area of parallelogram AEFD.


If ABCD is a parallelogram, then prove that
๐‘Ž๐‘Ÿ (Δ๐ด๐ต๐ท) = ๐‘Ž๐‘Ÿ (Δ๐ต๐ถ๐ท) = ๐‘Ž๐‘Ÿ (Δ๐ด๐ต๐ถ) = ๐‘Ž๐‘Ÿ (Δ๐ด๐ถ๐ท) = `1/2` ๐‘Ž๐‘Ÿ (||๐‘”๐‘š ๐ด๐ต๐ถ๐ท) .


If P is any point in the interior of a parallelogram ABCD, then prove that area of the
triangle APB is less than half the area of parallelogram.


A point D is taken on the side BC of a ΔABC such that BD = 2DC. Prove that ar(Δ ABD) =
2ar (ΔADC).


In square ABCDP and Q are mid-point of AB and CD respectively. If AB = 8cm and PQand BD intersect at O, then find area of ΔOPB.


Let ABC be a triangle of area 24 sq. units and PQR be the triangle formed by the mid-points of the sides of Δ ABC. Then the area of ΔPQR is


ABCD is a parallelogram. P is any point on CD. If ar (ΔDPA) = 15 cm2 and ar (ΔAPC) = 20 cm2, then ar (ΔAPB) =


The figure obtained by joining the mid-points of the adjacent sides of a rectangle of sides 8 cm and 6 cm is ______.


If AD is median of ΔABC and is a point on AC such that
ar (ΔADP) : ar (ΔABD) = 2 : 3, then ar (Δ PDC) : ar (Δ ABC)


ABCD is a rectangle with O as any point in its interior. If ar (ΔAOD) = 3 cm2 and ar (ΔABOC) = 6 cm2, then area of rectangle ABCD is


In the given figure, ABCD and FECG are parallelograms equal in area. If ar (ΔAQE) = 12 cm2, then ar (||gm FGBQ) = 


Find the area of a rectangle whose length and breadth are 25 m and 16 cm.


Find the area of a square, whose side is: 4.5 cm.


Find the area of a square, whose side is: 4.1 cm.


Each side of a square is 7 m. If its each side be increased by 3 m, what will be the increase in its area.


Length of a rectangle is 30 m and its breadth is 20 m. Find the increase in its area if its length is increased by 10 m and its breadth is doubled.


By counting squares, estimate the area of the figure.


Which has the smaller area - two five-rupee notes together or a hundred rupee notes?


What is the area of the rectangle? ________ square cm


The King was very happy with carpenters Cheggu and Anar. They had made a very big and beautiful bed for him. So as gifts the king wanted to give some land to Cheggu, and some gold to Anar. Cheggu was happy. He took 100 meters of wire and tried to make different rectangles.

He made a 10 m × 40 m rectangle. Its area was 400 square meters. So he next made a 30 m × 20 m rectangle.

  • What is its area? Is it more than the first rectangle?

Cheggu’s wife asked him to make a circle with the wire. She knew it had an area of 800 square meters.

  • Why did Cheggu not choose a rectangle? Explain.

Each line gives a story. You have to choose the question which makes the best story problem. The first one is already marked.

  • A shopkeeper has 204 eggs. He puts them in egg trays. Each tray has 12 eggs.
    a) How many more eggs will he need?  
    b) How many fresh eggs does he sell?  
    c) How many egg trays does he need?  

How will you decide? Discuss.


Find the area of the following figure by counting squares:


Find the area of the following figure by counting squares:


Find the area of the following figure by counting squares:


Find the area of the following figure by counting squares:


Find the area of the following figure by counting squares:


Share
Notifications

Englishเคนเคฟเค‚เคฆเฅ€เคฎเคฐเคพเค เฅ€


      Forgot password?
Use app×