Precision / Accuracy
Tolerance/ Percent
Proportions
dimensional analysis 1 unit
dim analysis 2 units
100

8.95 cm or 8.951 cm

What is 8.951 cm

100
Find the range of acceptable values for:


16 +/- 1.95

What is 14.05 - 17.95

100
The recipe calls for 1.5 cups of flour to make 12 servings.  You need to make the recipe for 40 people, how much flour will you need? 

what is 5 cups

100

convert 180 oz to lbs

What is 11.25 lbs

100

Convert 55 miles per hour to feet per second

What is 80.7 mph

200

You weigh a 10 lb weight on 2 scales:

scale a: 9.995 lb

scale b: 10.01 lb

which is accurate?

What is scale a

200

out of the 190 people in the sophomore class only 40% participate in fundraisers. How many participate in fundraisers? 

what is 76

200

the ratio of cups of sugar to number of servings for a recipe is 0.5:9.  You need to have 60 servings, how much sugar do you need?

what is 3.3 cups
200

convert 5 years to seconds

What is 157,680,000 sec

200

convert 40 cm/ second to meters/hour

What is 1440 m/hour

300

1 mile or 5280 feet

What is 5280 ft

300

Find the range of acceptable values:

150 +/-  4.5%

what is 143.25 - 156.75

300

the ratio of boys to girls in a classroom is 12:5. If there are 60 kids in a room, how many girls would you expect to see?

What is 18  

300

Convert 80 yards to inches

What is 2880 inches

300

Convert 45 yards/ min to inches per hour

What is 97,200 inches per hour

400

you weight a 1 lb block on a scale

scale a: 16.001 oz

scale b:15.998 oz

which is accurate

What is scale a

400

Mrs. Grindle has 90 students on Wednesday. Of these students 30% were absent. How many students attended class?

what is 63 students

400

the ratio of desks to tables in a room is 20:3. if there are 40 tables in the school, how many desks would you expect to find?

What is 267

400

Convert 576 inches to yards

What is16 yards

400

convert 45 km/ hour to meters per min

What is 750 meters per min

500

2.975 m or 2.9759 m

What is 2.9759 m

500

If the acceptable tolerance of a staple is 0.006, and the staple is supposed to be .35 inches wide. 

Would a staple that is .343 be used? why/why not

What is no because the range is .344 to .356

500

The ratio of cups of feed to number of rabbits is 3:5. If you have 20 rabbits how much feed do you need to give them?

What is 12 cups

500

Convert 1700 mm to meters

What is 1.7 meters

500

convert 12 inches per second to miles per week 

What is 4.8 miles per week?