7th grade Math Review

Front

Temperature at the beginning of the week: 14°F. Decrease during the week: 25°F. What was the temperature by the end of the week?

Back

-11 degrees F

Front

Equation for submarine's depth at 6:00 p.m. if it was 200 feet below sea level at noon and 3/4 as deep at 6:00 p.m.

Back

-200(3/4) = -150

Front

Back

Front

12 friends go ice skating and pay $83.40 in total. How much does each person pay if they share the cost equally?

Back

6.95

Front

Alex is driving 246 miles using 13 gallons of gas. What is the unit rate in miles per gallon?

Back

18.9 mpg

Front

Enrollment at Northtown Middle School last year: 640 students. This year: 560 students. By what percent did the enrollment decrease?

Back

12.5%

Front

Lauren purchased three t-shirts from Gap $24.99 each. The sales tax in North Carolina is 6.5%. What is the total cost of Lauren's t-shirts? Round your answer to the nearest hundredth.

Back

$79.84

Front

What is the constant of proportionality?

Back

$9

Front

Which statement below accurately represents the graph? Options: $100 is earned for each hour worked, $200 earned for every 2 hours worked
is the unit rate, $500 is earned for every 8 hours worked, $300 is earned after working 4 hours

Back

$500 is earned for every 8 hours worked

Front

Which graph is proportional? Options: A, B, C and D

Back

All of the graphs are proportional