Hoot+Owls+-+7th+Grade

=Hello ladies,= Here are a few problems I found. Feel free to edit where needed. Should I have also included answers?

Janie Cunningham =1.= ==

D. 4000 m²
4.

Mr. McCrea is building a toy box like the one shown below. What is the volume of the toy box in cubic feet?

Becca Cook


 * 5. Mr. Terry, the science teacher, brings in a cast of brachiosaur thigh bone. He picks 10 students and divides them into groups A and B. Each student measures the length of the thigh bone, but does not reveal his or her result until all measurements are taken. The table below shows the final results. **

** Measurements of Brachiosaur Femur (cm) **


 * ** Group A ** || ** Group B ** ||
 * ** 155.3 ** || ** 157.1 ** ||
 * ** 155.5 ** || ** 159.0 ** ||
 * ** 156.0 ** || ** 157.4 ** ||
 * ** 155.7 ** || ** 155.9 ** ||
 * ** 156.0 ** || ** 156.9 ** ||
 * After the table is made, Mr. Terry says the femur’s actual length is 157.3 centimeters. **

** a. **** Which group’s measurements are more accurate? Explain. **


 * b. **** Which group’s measurements are more precise? Explain. **


 * 6. Marcel’s mom is baking a dish for dinner. She put the dish in the oven at 5:35. The dish needs to be covered and baked for 45 minutes. Then the dish needs to be uncovered and baked for an additional 10 minutes. What time will the dish be done baking? **


 * 7. Chris made 16 quarts of salsa. **
 * a. How many cups of salsa did Chris make? **
 * b. How many gallons of salsa did Chris make? **


 * 8. Michelle is cutting fabric to make a seat cover for a round stool. If the diameter of the stool is 14 inches, what is the total area of the piece of fabric she will need? **
 * Area of circle = (pi)radius squared **** Pi = 3.14 **

** a. **** 617.40 square inches **
 * b. **** 439.60 square inches **
 * c. **** 308.87 square inches **
 * d. **** 153.86 square inches **


 * 9. How many square millimeters is equal to 5 square meters? **

** a. **** 5,000 square millimeters **
 * b. **** 500,000 square millimeters **
 * c. **** 5,000,000 square millimeters **
 * d. **** 50,000,000 square millimeters **


 * 10. What is the measurement of a reflex angle with an adjacent angle measuring 27 degrees? **


 * 11. What is the surface area and volume of a rectangular prism that has a length of 18 inches, a width of 16 inches, and a height of 6 inches? **
 * Surface Area = square feet **
 * Volume = ___cubic feet **


 * 12. There are three timers for each race car in a drag race at Ozark International Raceway. The results for the first four places are given. **
 * First Place: 4.13s, 4.26s, 4.11s **
 * Second Place: 4.31s, 4.19s, 4.23s **
 * Third Place: 4.24s, 4.37s, 4.45s **
 * Fourth Place: 4.39s, 4.35s, 4.50s **

** a. **** The first-place timers **
 * What group of timers was the most precise? **
 * b. **** The second-place timers **
 * c. **** The third-place timers **
 * d. **** The fourth-place timers **