Study Guide 8th grade Number System

Match the following with their solution.

• • - 10

• 23

• 14

The square foot at Sammie's gym has an area of 144 square feet.

What is the length of one side of the pool?

Alaina bought a square frame for her desk that has an area of 81 square inches.

What is the perimeter of the frame?

Express the following decimal as a fraction in simplest form.

0.125

Express the following decimal as a fraction in simplest form.

• - 0.4

0.87 is​ (a)   because​ ​ (b)  

• rational
• irrational
• it is a terminating decimal.
• it is the square root of a perfect square.
• it is a repeating decimal.
• it is the square root of a non-perfect square.

• it is a terminating decimal.
• it is the square root of a perfect square.
• it is a repeating decimal.
• it is the square root of a non-perfect square.
• rational
• irrational

• it is a terminating decimal.
• it is the square root of a perfect square.
• it is a repeating decimal.
• it is the square root of a non-perfect square.
• irrational
• rational