Free Printable Review for Unit 1 test

1.

change the fraction to a decimal

a)

0.75

b)

3.4

c)

4.3

d)

3

2.

Change the decimal to a fraction. 0.125

a)

b)

c)

d)

3.

convert this decimal to a fraction 0.2525....

a)

$\frac{25}{99}$

b)

$\frac{25}{100}$

c)

$\frac{1}{4}$

d)

$\frac{99}{25}$

4.

Simplify the expression using exponents x³3³x⁵3⁶

a)

3x¹⁷

b)

3⁹x⁸

c)

3⁸x⁹

d)

3¹⁷x

5.

Simplify this expression using exponents.

a)

8⁵x¹⁰y

b)

8⁵x⁷y³

c)

8⁵x⁷y¹⁰

d)

8²²xy

6.

Express using exponents.

a)

3²x⁶

b)

34x⁶

c)

12x⁶

d)

12x²

7.

Simplify using exponents

a)

4¹²

b)

4⁷

c)

4⁵

d)

4²

8.

Simplify using exponents

a)

3⁶x⁹y⁹

b)

3⁶x⁶y⁶

c)

3⁵x⁶y⁶

d)

3^-1xy

9.

write using positive exponents 2^-4

a)

b)

c)

d)

10.

Simplify using positive exponents.

a)

b)

c)

d)

11.

Write in standard form 2.54x10³

a)

2540

b)

0.00254

c)

254000

d)

0.000254

12.

Write in Scientific Notation 0.000435

a)

4.35x10⁴

b)

4.35x10⁵

c)

4.35x10^-4

d)

4.35x10^-5

13.

Answer the question in Scientific notation. (3.9x10²)(2.3x10⁶)

a)

8.97x10⁸

b)

89.7x10⁸

c)

8.97x10⁷

d)

6.2x10⁸

14.

Write the answer in Scientific Notation

a)

0.2375x10¹²

b)

2.375x10¹¹

c)

2.375x10¹²

d)

0.2375x10¹¹

15.

what is the square root of this number 144

a)

12

b)

11

c)

13

d)

144

16.

What is the cube root of this number -27

a)

3

b)

-3

c)

9

d)

-9

17.

What is the estimate for this square root?

a)

6

b)

-6

c)

7

d)

4

18.

What is the estimate for this cube root?

a)

-5

b)

5

c)

4

d)

11

19.

Write this fraction as a decimal $2\ \frac{2}{5}$

a)

4.5

b)

2.4

c)

2.25

d)

4.25

20.

Evaluate this expression $\left(4^2\right)\cdot\left(5^3\right)$

a)

120

b)

125

c)

2000

d)

48

21.

Evaluate the expression $\frac{4^5}{4^3}$ .

a)

$4^2$

b)

$4^8$

c)

8

d)

16

22.

Simplify this expression using positive exponents. $\frac{\left(3^3x^4y^5z^7\right)^3}{\left(3^2x^5y^4z^9\right)^3}$

a)

$\frac{3y}{xz^2}$

b)

$3^{-3}x^{-3}y^3z^{-6}$

c)

$\frac{y^3}{3^3x^3z^6}$

d)

$\frac{y^3}{27x^3z^6}$

23.

Write answer in scientific notation $\left(2.5x10^4\right)\ +\left(3.6x10^3\right)$

a)

$2.86x10^4$

b)

28,600

c)

$1.1x10^1$

d)

11

24.

Write answer in scientific notation. $\left(3.6x10^7\right)-\left(2.4x10^5\right)$

a)

35,760,000

b)

$3.586x10^7$

c)

$3.576x10^7$

d)

$3.576x10^2$

25.

Evaluate this expression $3\sqrt{4}$

a)

12

b)

6

c)

3.46

d)

$\frac{3}{4}$

26.

Order these numbers from least to greatest. $6.8,\ \sqrt{45},\ 8,\ \sqrt{56},\ 7$

a)

$\sqrt{45},\sqrt{56},\ 6.8,\ 7,\ 8$

b)

$\sqrt{45},\ 6.8,\ \sqrt{56},\ 7,\ 8$

c)

$\sqrt{45},\ 6.8,\ 7,\ \sqrt{56},\ 8$

d)

$\sqrt{45},\ 6.8,\ 7,\ \sqrt{56},\ 8$

Review for Unit 1 test

Total questions: 26

Worksheet time: 3hrs 30mins

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