Roman Numerals and Arabic Conversions
Decimals, Fractions, and Percentages
Ratio Questions
Order of Operations
Conversions
100

Convert CDV 

C = 100

D = 500

V = 5

500 -100 = 400 + 5 = 405

100

Round your answer to one decimal place

6.5 + 4.752 + 3.6 = 

14.9

100

Enter answer as a reduced exact ratio in the format 1:x

What is 16 minutes to 3 hours

*remember to convert both to the same unit FIRST*

3 hours = 180 minutes

ratio = 16:180

Reduce the ratio:

16:180 Divide both sides by 4 = 4:45

divide each side again by 4 = 1:11.25

100

Solve the equation

(52-10/2) +10x2 = 

Using BEDMAS 

10/2 = 5

(52-5) +10 x 2 =

47+ 20 =

Answer 67

100

Convert to grams . Round to the nearest tenth decimal place.

65.5 kg to g

1 kg = 1000 g

65.5 x 1000 = 65,500 g

65,500.0 g tenth decimal place

200

Convert XVII

X = 10

V = 5

II = 2

Answer 17

200

Round your answer to one decimal place

What is 15% of 215

32.3

200

Reduce ratio to two decimal places 1:x

What is 4 days to 12 weeks?

*Remember to Convert both to the same unit FIRST*



Convert 12 weeks into days

12 weeks x 7 days/week = 84 days

Ratio 4:84

divide both sides by 4 = 1:21

200

Solve the equation

50 x 3 + (12-9)

using BEDMAS

do the brackets first

50 x 3 + (3)

150 +3

Answer = 153

200

round to the nearest hundredths place

Convert 920,000 mg to kg

1 kg = 1,000,000 mg

920,000 mg / 1,000,000 = 

0.92 kg

300

The number 5.5 is represented by  

in Roman numerals

V = 5

ss = 0.5 

vss or VSS

300

Express 65% as a reduced fraction

65/100 = 13/20

300

Solve the following proportion for the unknown variable (x) in the equation 22.5/40 = 70.2/x

Round to the nearest two decimal places 

To solve for x, first cross-multiply the terms in the proportion

22.5/40 = 70.2/x

22.5 x X = 40 x 70.2

22.5 = 2808

isolate x = 2808/22.5

x = 124.80

300

Solve the equation

2 x (5 x 12) - 8 / 2

Using BEDMAS

2 x (60) -8/2

divide 8/2

2 x 60 - 4 =

120 - 4 =

Answer = 116




300

Convert 1000 mcg to mg

Divide 1000 mcg by 1000 

= 1 mg

400

Convert LVI 

L = 50

V = 5

I = 1

50 + 5 + 1 = 56 

400

Express 70% as a reduced fraction

70/100 = 7/10

400

Enter your answer as a reduced ratio 1:x

What is 6 minutes to 2 hours?

*Remember to Convert to the same unit FIRST*

2 hours = 120 minutes

Ratio = 6:120

Divide each side by 6 

Reduced ratio = 1:20

400
Solve the equation

28/7 - 4 + 2 x 9

using BEDMAS

Division first

28/7 = 4

4 - 4 + 2 x 9

4 - 4 + 18

0 + 18

Answer = 18

400

Convert 10,000 mg to mcg

 Multiply 10,0000 by 1000

Answer = 10,000,000

500

Convert MCMXCViii

M = 1000

CM = 900

XC = 90

Viii = 8         Answer: 1998

500

Express 92.5 out of 100 

Round answer to two decimal places

0.93

500

Enter your answer as a reduced ratio rounded to two decimal places format 1:x

What is 8 days to 9 weeks?

First convert 9 weeks into days

9 x 7 = 63 days

Ratio = 8:63

Divide each side by 8 

x = 63/8 = 7.875

Answer = 1:7.88

500
Solve the equation


4 x (5 x 5) - 8/2 =

Using BEDMAS

Brackets first

4 x 25 - 8/2 =

Divide 8/2

4 x 25 - 4 =

100 - 4

Answer = 96



500

Convert 82.5 kg to g

multiply 82.5 kg by 1000 

Answer = 82,500 g

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