Forming expressions Algebra

Megha is 4 years older than her sister Mani. Find the age of Megha.

• x + 4

• X - 4

• 4x

• 4/x

Answer explanation

x + 4

If the length of cube is p. Then the total length of edges of cube will be __________.

• 6p

• 12p

• 4p

• 36

A bag of crisps cost x pence, a chocolate bar costs y pence and a drink costs 90 pence.

Which expression represents the total cost of 10 bars of chocolate?

• 10 pence

• y pence

• y10 pence

• 10y pence

Dane is y years old.

Becky is 6 years older than Dane.

Which algebraic expression represents how old Becky is?

• y + 6

• y - 6

• 6 - y

• 6y

Dane is y years old.

Cara is 6 years younger than Dane.

Which algebraic expression represents how old Cara is?

• y + 6

• y - 6

• 6 -y

• 6y

Dane is y years old.

Dani is twice as old as Dane.

Which algebraic expression represents how old Dani is?

• y + 2

• y - 2

• 2 - y

• 2y

Dane is y years old.

Becky is 6 years older than Dane.

Freya is 2 years younger than Becky.

Which algebraic expression represents how old Freya is?

• y + 2

• y + 4

• y + 6

• y + 8

The length of a rectangle is x + 5 cm and the width is 4 cm. What is the area of the rectangle?

• 4x + 5

• x + 5 x 4

• 4 ( x + 5 )

• x + 9