7.4.15 (optional)
star
star
star
star
star
Last updated over 1 year ago
12 questions
1
1. Jada measured the height of a plant in a science experiment and finds that, to the nearest 1/4 of an inch, it is 4 and 3/4 inches. a) What is the largest the actual height of the plant could be?
1. Jada measured the height of a plant in a science experiment and finds that, to the nearest 1/4 of an inch, it is 4 and 3/4 inches.
a) What is the largest the actual height of the plant could be?
1
1. Jada measured the height of a plant in a science experiment and finds that, to the nearest 1/4 of an inch, it is 4 and 3/4 inches. b) What is the smallest the actual height the plant could be?
1. Jada measured the height of a plant in a science experiment and finds that, to the nearest 1/4 of an inch, it is 4 and 3/4 inches.
b) What is the smallest the actual height the plant could be?
1
1. Jada measured the height of a plant in a science experiment and finds that, to the nearest 1/4 of an inch, it is 4 and 3/4 inches. c) How large could the percent error in Jada's measurement be?
1. Jada measured the height of a plant in a science experiment and finds that, to the nearest 1/4 of an inch, it is 4 and 3/4 inches.
c) How large could the percent error in Jada's measurement be?
2
2. Water is running into a bathtub at a constant rate. After 2 minutes, the tub is filled with 2.5 gallons of water. Write two equations for this proportional relationship. Use w for the amount of water (gallons) and t for time (minutes).
2. Water is running into a bathtub at a constant rate. After 2 minutes, the tub is filled with 2.5 gallons of water. Write two equations for this proportional relationship. Use w for the amount of water (gallons) and t for time (minutes).
1
3. Noah picked 3 kg of cherries. Jada picked half as many cherries as Noah. How many total kg of cherries did Jada and Noah pick?
3. Noah picked 3 kg of cherries. Jada picked half as many cherries as Noah. How many total kg of cherries did Jada and Noah pick?
1
4. The reading on a car's speedometer has 1.6% maximum error. The speed limit on a road is 65 miles per hour.a) The speedometer reads 64 miles per hour. Is it possible that the car is going over the speed limit?
*Show your work/reasoning in the space provided.
4. The reading on a car's speedometer has 1.6% maximum error. The speed limit on a road is 65 miles per hour.
a) The speedometer reads 64 miles per hour. Is it possible that the car is going over the speed limit?
*Show your work/reasoning in the space provided.
1
4. The reading on a car's speedometer has 1.6% maximum error. The speed limit on a road is 65 miles per hour.b) The speedometer reads 66 miles per hour. Is the car definitely going over the speed limit?*Show your work/reasoning in the space provided.
4. The reading on a car's speedometer has 1.6% maximum error. The speed limit on a road is 65 miles per hour.
b) The speedometer reads 66 miles per hour. Is the car definitely going over the speed limit?
*Show your work/reasoning in the space provided.
4
5. Here is a shape with some measurements in cm. a) Complete the table showing the area of different scaled copies of the triangle.
5. Here is a shape with some measurements in cm.
a) Complete the table showing the area of different scaled copies of the triangle.
1
5b. Is the relationship between the scale factor and the area of the scaled copy proportional?
*Show your reasoning in the space provided.
5b. Is the relationship between the scale factor and the area of the scaled copy proportional?
*Show your reasoning in the space provided.
1
Exit TicketA fisherman weighs an ahi tuna (a very large fish) on a scale and gets a reading of 135 pounds. The reading on the scale may have an error of up to 5%. What are TWO possible values for the actual weight of the fish?
Exit Ticket
A fisherman weighs an ahi tuna (a very large fish) on a scale and gets a reading of 135 pounds. The reading on the scale may have an error of up to 5%. What are TWO possible values for the actual weight of the fish?
1
What is 5% of 135?
What is 5% of 135?
2
The possible values for the weight of the fish with an error of 5% and a reading of 135 is _______ on the low end and _______ on the high end.