7th Grade Diagnostic Test

Write the following phrase as an algebraic expression:

the sum of m and 8

• n +8

• m+8

• m-8

• 8-m

Which of the following is the simplified form for 3x+7x-2y+5y?

• 10x+3y

• 4x+3y

• 10x-3y

• -10x+3y

In the equation 3x=9, x=?

• 4

• 9

• 3

Choose the value of y to be true the equation 3y-9=12

• 3

• 9

• 12

• 7

Which is the value for t, to be true the equation above

• 25

• 5

• 35

• 15

Find the area for this parallelogram (formula A=base X heigth )

• 24 cm

• 24 square cm

• 24 square meters

• 24

1. Find the area of the triangle below (formula A= baseXheigth/2

• 108 sq units

• 10 sq units

• 108.8 sq units

• 108.2 sq units

Identify which is the perimeter in the figure below

• A

• B

Identify which of the following figures is a polygon

• 
• 
• 
• 

Fin the perimeter of the following figure

• 24

• 24 m

• 24 cm

• 22 cm