7th Grade Math Review !

7th gradeAlgebra

50

Simplify:  

   a + 3b - 9 + a - 3b + 5

2a - 4

100

Simplify:

     -2(x + 9)

-2x - 18

200

Simplify:

      -3(x - 4) + 9x

6x + 12

300

Solve for x:

         4x - 4 = 8

x = 3

400

Solve for x: 

      -3x - 6 = 21

x = -9

500

Solve for x:

         -3x - 8 = -11

x = 1

7th GradeProperties

50

Name the property:

    a(b + c) = ab + ac

What is the Distributive Property?

100

The order of operations

What is PEMDAS?

200

3x(x+2)

3x² +6x

300

The distance from zero on a number line.

What is the absolute value?

400

What property says I can add and multiply in any order?

Communitive Property

500

What is 25% of $250?

$62.50

Number Theory

50

Counting numbers including zero.

What are whole numbers?

100

Whole numbers and their opposites.

What are Integers?

200

A number that can be written as a ratio, a/b, where b is not zero.

What are rational numbers?

300

Is the following number a rational number?

     0. 123123123...

Yes!  Repeating decimals are rational!

400

Is the following number a rational number:

           0. 145437865...

0. 145437865... is NOT rational.  This number goes on forever but does not have a repeating pattern.

500

Convert 4/5 to a decimal. Is this terminating or repeating?

0.8 Terminating

7th-grade Math

50

how do you write 94% as a decimal?

0.94

100

The sum of three angles in any triangle.

What is 180 degrees?

200

simplify the equation:

5(2+9b)

10+45b

300

25% is _________ as a fraction, when simplified.

1/4

400

What does 20 x 100 + 30 x 10 + 80/2 + 5  equal?

2345

500

Calculate [10 x 20² + 2(3 x 50) + (-105/-5)]

4321

Random Math

50

10% of 1000 is this.

100

100

7² + 8² + 9²

194

200

Place in order from least to greatest:

5, -8, 2, -10, 1, -1

-10, -8, -1, 1, 2, 5

300

-2.45 - (-5.783) = ?

3.333

400

3 1/2 divided by 3/4

12 2/3

500

Enter the value of x that makes the equation true.

4x -5 + 2x - 6 = - 53

x = -7