Revision 1

F is added to 7

Write the expression

• 7F

• 7 - F

• 7 + F

• F / 7

6 is subtracted from double number G

• 2G - 6

• 6 - 2G

• 2G + 6

• 2G / 6

Ameer saved X L.E his father gave him L.E. 10 .he will have………………

• 10 - X

• X - 10

• 10 + X

• 10 X

The sum of two numbers is 20 and one of them is Y then the other = …………

• Y - 20

• 20 - Y

• 20Y

• 20 + Y

The difference of two numbers is 7 , and the smaller number is Y , then the greater number will be =………………

• Y + 7

• Y - 7

• 7 - Y

• 7Y

Double of D

• 2 + D

• 2D

• 2 - D

• D/2

third of D

• 3 D

•  $\frac{1}{3}\ D$  

• 3 + D

The length of adjacent sides of a parallelogram are x , y then its perimeter is ……………………

• 2x + y

• (X + Y) x 2

• 4XY

Translate the following into mathematical expression : " Subtract 7 from 3 times of the number"

• 7 - 3x

• 3x - 7

• 3y + 7

The sum of what Manal and Nihal have is 10 L.E if Manal has x then Nihal have………………

• 10 + x

• 10 - X

• x + 10