Slide 1 : Class - 3 Equations and variables
What is an equation? : What is an equation? An equation is a condition on a variable.
It always has an equality sign.(=)
Identify equations : Identify equations
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Very good !! : Very good !! Let’s go ahead!!
Solve for the variable : Solve for the variable 1)5+a = 16
a=?
2)6-f=2
f=?
3)7-t=4
t=?
Slide 8 : Solve for the variable – multiplication and division
Write variable equations to represent word problems : Write variable equations to represent word problems
Slide 10 : Tina has 24 apples in a basket.She gives some apples to her sister.Only 13 apples are left with her.Set up an equation to find out the number of apples she gave to her sister.
Slide 11 : If 3 is added to a number , the sum is 12 .Set up an equation to find the number.
Slide 12 : Mother;’s age is 4 times the age of Sona. If mother is 48 years old , set up an equation to find Sona’s age.
Slide 13 : Krisha distributes 40 choclates on her birthday to her friends.Each friend gets 2 choclates.Set up an equation to find the number of friends she distributed her choclates.
Any doubts??? : Any doubts???
Slide 15 : Thank you!!