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In this lesson, we will learn how to use the concepts of constants, variables, and mathematical relations to solve simple real-word problems.
shows the total number of flowers Yara has in relation to the number of vases she
owns. The variable
represents the number of vases she has, and the variable
represents the total number of flowers.
If Yara has 5 vases, how many flowers does she have?
shows the number of cakes Sameh baked in relation to the number of hours he spent
baking them. The variable
represents the number of hours spent baking the cakes, and the variable
number of cakes baked. How many cakes did Sameh make if he spent 7 hours baking?
shows the relation between the number of socks and the number of shoes Adam owns,
represents the number of socks, and
represents the number of shoes. If Adam has 5 socks, how many shoes
does he have?
Determine whether the following statement is true or false: In
, the variable
can have any value.
Which one of the following expressions does not belong with the others?
shows the number of ice cream cones served by an ice cream truck in a number of hours.
represents the number of hours, and the variable
represents the number of ice cream cones served.
How many ice cream cones were served after 2 hours?
can be used to calculate the total number
of CDs Engy had listened to
after she started working as a music producer.
How many CDs had Engy listened to one day after she started her job?
What terminology do we use to describe the
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