Pre Algebra Unit 1 Real Numbers

Square Roots

Classifying Numbers

Scientific Notation

Ordering Numbers

Pythagorean/Distance

100

$sqrt81$

is this type of number.

What is a perfect square?

100

$4/3$

is this type of number.

What is a rational number?

100

9.27 x 10⁴ in standard form.

What is a 92,700?

100

This is the largest number in this list.

$12/10, sqrt16, 4 3/4, sqrt7$

What is

$4 3/4$

100

Use the Pythagorean theorem a² + b² = c² to find the missing leg for the triangle with c=5 and b=4.

a = 3

200

$sqrt85$

rounded to the nearest hundredth.

What is 9.22?

200

-7 is this type of number.

What is an integer?

200

3.845 x 10^-5in standard form.

What is 0.00003845?

200

Place this list of numbers in order from least to greatest.

$-3 1/3, -3.3, -pi, -sqrt10, -18/6$

What is

$-3 1/3, -3.3, -sqrt10, -pi, -18/6$

200

Find the distance between the two points:

(4, -5) and (-1, 7)

300

9 is the result of this square root operation.

What is

$sqrt81$

300

$sqrt121$

is this type of number.

What is a whole number?

300

0.004309 in scientific notation.

What is 4.309 x 10^-3?

300

Put this list of numbers in order from greatest to least.

$6.1, 34/5, sqrt48, 64%$

What is

$sqrt48, 34/5, 6.1, 64%$

300

Use the Pythagorean theorem a² + b² = c² to find the missing hypotenuse for the triangle whose legs are 5 and 12.

400

This is a perfect square that falls between 60 and 70.

What is 64?

400

$sqrt200$

is this type of number.

What is an irrational number?

400

45,765,000 in scientific notation.

What is 4.5765 x 10⁷?

400

Order these numbers from greatest to least.

$1.1, sqrt8/3, sqrt3, 1 1/2$

What is

$sqrt3, 1 1/2, 1.1, sqrt8/3$

400

Find the distance between the two points:

(2, -3) and (5, 1)

500

There are this many perfect squares between 2 and 230.

What is 14?

500

Name an irrational number between 10 and 20.

Example:

What is

$sqrt150$

Answers may vary (non-perfect squares)

500

0.000075847 in scientific notation.

What is 7.5847 x 10^-5?

500

Order these numbers from least to greatest.

$-8.1, -(8pi)/3, -8 1/2, -sqrt400/4$

What is

$-8 1/2, -(8pi)/3, -8.1, -sqrt400/4$

500

What is the formula for Pythagorean Theorem?

a²+b²=c²