Free Printable Unit 2 Review - Real #s, Sq. Roots, Ordering, and Sci. Not.

1.

Which list of numbers is ordered from least to greatest?

a)

$3.34,\ \sqrt{11},\ \frac{17}{5},\ \frac{9}{\sqrt{7}}\$

b)

$\sqrt{11},\ 3.34,\ \frac{9}{\sqrt{7}},\ \frac{17}{5}$

c)

$\frac{9}{\sqrt{7}},\ \frac{17}{5},\ \sqrt{11},\ 3.34$

d)

$\sqrt{11},\ 3.34,\ \frac{17}{5},\ \frac{9}{\sqrt{7}}$

2.

James and three of his friends each ran one mile. The time in hours that each of them took to finish is listed below.

0.21,\ \frac{13}{60},\ 0.19,\ \frac{1}{5}

Order from least to greatest.

a)

$0.19,\ \frac{1}{5},\ 0.21,\ \frac{13}{60}$

b)

$\frac{1}{5},\ 0.21,\ 0.19,\ \frac{13}{60}$

c)

$\frac{13}{60},\ 0.21,\ \frac{1}{5},\ 0.19$

d)

$\frac{13}{60},\ \frac{1}{5},\ 0.19,\ 0.21$

3.

Which expression represents a number that is smaller than 480,000 but larger than 48,000?

a)

$8.0\ \times\ 10^5$

b)

$8.0\ \times\ 10^3$

c)

$8.9\ \times\ 10^4$

d)

$9.8\ \times\ 10^2$

4.

Sara had to determine the largest of the following real numbers.

\left(\sqrt{11}+3\right),\ 6.3,\ \sqrt{39},\ 2\pi

Which of the four real numbers is the largest?

a)

$\left(\sqrt{11}+3\right)$

b)

$6.3$

c)

$\sqrt{39}$

d)

$2\pi$

5.

26 Kilometers is equivalent to 26,000,000 milliliters. Express the milliliters in scientific notation. USE the "^" symbol for exponents (ex. 10^5)

(a)

6.

Which list shows the numbers in order from greatest to least?

a)

$8.0\times10^0,\ 8.1,\ \sqrt{67},\ 8\frac{1}{4}$

b)

$15\times10^1,\ 140,\ 5^3,\ \sqrt{14,161}$

c)

$7.7\times10^1,\ 66,\ \sqrt{112},\ 11$

d)

$3.2\times10^0,\ 3.22,\ \frac{10}{3},\ \sqrt{11}$

7.

Which point on the number line is closest to $\sqrt{21}$ ?

a)

Q

b)

R

c)

S

d)

T

8.

Which statement is true?

a)

$6.5\times10^{-3}\ <\ 0.06\ <\ \frac{2}{3}$

b)

$0.06\ <\ \frac{2}{3}\ <\ 6.5\times10^{-3}$

c)

$0.06\ <\ 6.5\times10^{-3}\ <\ \frac{2}{3}$

d)

$6.5\times10^{-3}\ <\ \frac{2}{3}<0.06$

9.

The number 0 would belong to which of the following sets?

a)

Rational

b)

Irrational

c)

Whole

d)

Natural

e)

Integers

10.

A building is 3.1 x 10² feet high. A new roof increased its height by 5 x 10^-2feet. How high is the building now?

(a)

Unit 2 Review - Real #s, Sq. Roots, Ordering, and Sci. Not.

Total questions: 10

Worksheet time: 6mins

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