Length , Weight and Capacity

Length , Weight and Capacity

In this slide we would about length weight and capacity

LENGTH

• Sandred unit of length is meter (m) . 

• To convert m to cm we will multiply by 100 . To convert cm to m we will divide by 100. 

• To convert km to m we will multiply by 1000 . To convert m to km we will divide by 1000 .

• REMEMBER while converting form higher unit to lower unti we always multiply . and while converting lower unit to higher unit we always divide .

• m stands for meter , km stands for kilometer and cm stands for centimeter .

Some examples are here

Eg.1 Convert into km 
1) 5km  
ans -  $5\times1000\ =\ 5km\$   
Eg.2 Convert into m 
1) 5km 452m 
ans -  $5\times1000\ +\ 452\ =\ 5452m\$  
2) 54m 4500cm 
ans -  $54+4500\div100\ =\ 54+\ 45\ =\ 99m$  
Eg 3. Convert into cm 
1) 45m 456cm 
ans -  $45\times100\ +\ 456\ =\ 4500+456\ =\ 5056cm\$  

WEIGHT

• Standred unit of weight is g .

• weight is always measured in g and Kg .

• To convert g to kg we will divide by 1000 .

• To convert kg to g we will multiply by 1000 .

• g stands for gram and kg stands for kilogram .

Some examples of weight are here .

Eg .1 Convert kg to g 

1) 45kg 456g
ans -  $45\times1000\ +\ 456\ =\ 45,456g\$  

Eg .2 Convert g to kg 
1) 45000g 
ans =  $45000\div1000\ =\ 45kg\$  

CAPACITY

• Standred unit of capacity is L

• Capacity is always measured in L and ml .

• L stands for Liter and ml stands for mililiter .

• To convert L to ml we will multiply by 1000 .

• To convert ml to L we will divide by 1000 .

Some examples of capacity are here .

Eg .1 convert into ml
1) 45L489ml
ans = 45×1000 + 456 = 45,456g   

Eg .2 Convert into L 
1)89000ml 
ans =  $89,000\ \div\ 1000\ =\ 89ml\$   

Word Problems of Length .

Q.1 Car A covers 58km126m and car B cover 58127m . Find which car covers more distance and by how much .

Answer -

Distance covered by car A = 58km 126m

Distance covered by car B = 58km 127m

car covers more length = distance by B - distance by A

58km 127m

-58km 126 m

=00km 001 m .

Car B covers more distance than car A by 1m .

Word Problems of weight .

Q.2 A Family needs 23kg278g of wheat in August , they need 22kg481g of wheat in september and they need 25kg 846g of wheat in month of November . Find the wheat needed by the family in month of september and november .

Answer -

Wheat needed in September = 22kg481g

Wheat needed in November = 25kg 846g

Wheat needed in september and november = 25kg846g-22kg481g

25kg846g

+22kg481g

= 48kg327g

wheat required in month of september and november is 48kg327g .

Word Problems of Capacity

Q.3 Milk in a ilk tank was 25L156ml . milk given to tank A was 12L189ml . Find milk left in the milk tank .

Answer

Milk in tank = 25L156ml

Milk given to tank A = 12L189ml

Milk left in tank = 25L156ml-12L189ml

=25L156ml

-12L189ml

= 12L 967ml

Milk left in tank was 12L967ml .