8th grade review "REAL NUMBERS"

Vocabulary

100

A set of whole numbers and their opposites

What is integers

200

The number multiplied by some power of 10, in scientific notation

What is the coefficient?

300

A decimal whose digits end (ex. 0.45)

What is a Terminating decimal?

400

This "system" is made up of rational numbers and irrational numbers

What is the real number system?

500

A number that can be written as a fraction, a decimal, whole numbers, improper fractions, and mixed numbers.

What is a Rational number?

Rational and Irrational

100

-3.048476

What is rational/terminating decimal

200

8.1245786002693482....

What is Irrational (non-repeating)?

300

0.5

What is Rational/decimal

400

Square root of 11

What is Irrational/not a perfect square

500

~3.14 (pi)

What is Irrational/Pi

Scientific Notation

100

43 written in scientific notation

What is 4.3 x 10¹ ?

200

6,263,000 written in scientific notation

What is 6.263 × 10⁶ ?

300

What is 0.00074 written in scientific notation?

What is 7.4 × 10^-4 ?

400

8.69 x 10^-2 written in standard decimal notation

What is 0.0869 ?

500

2.0712 x 10^-5 written in standard decimal notation

What is 0.000020712 ?

What is my estimated value, if placed on a number line

100

What is the approximate value of pi?

What is approximately 3.14?

200

The value of the square root of 44 minus 2?

What is 4.6 (4.63)?

300

The value of the square root of 22 times the square root of 22

What is 22?

400

square root of 41 times 3

What is 19.2?

500

The square root of 17 plus 2

What is approximately 6.12, 6.1 or 6?

This or that.(A mixed bag of things)

100

The value of 6³.

What is 216?

200

The square root of 13 appears between these TWO whole numbers.

What is 3 & 4?

300

The value of the square root of 24

What is 4.898 OR 4.9?

400

10⁰ - 1 is...

What is 0?

500

A square piece of fencing has an area of 1089 sq. meters and one of its side lengths is...

What is 33m?