Lesson 7: Practice Problems
Problem 1
In the context of elevation, what would
Problem 2
Match the statements written in English with the mathematical statements.
The number -4 is a distance of 4 units away from 0 on the number line.
The number -63 is more than 4 units away from 0 on the number line.
The number 4 is greater than the number -4.
The numbers 4 and -4 are the same distance away from 0 on the number line.
The number -63 is less than the number 4.
The number -63 is further away from 0 than the number 4 on the number line.
Problem 3
Compare each pair of expressions using >, <, or =.
Problem 4 From Unit 7 Lesson 5
Mai received and spent money in the following ways last month. For each example, write a signed number to represent the change in money from her perspective.
Her grandmother gave her $25 in a birthday card.
She earned $14 dollars babysitting.
She spent $10 on a ticket to the concert.
She donated $3 to a local charity
She got $2 interest on money that was in her savings account.
Problem 5 From Unit 7 Lesson 1
Here are the lowest temperatures recorded in the last 2 centuries for some US cities. Temperatures are in degrees Fahrenheit.
Death Valley, CA was -45 in January of 1937.
Danbury, CT was -37 in February of 1943.
Monticello, FL was -2 in February of 1899.
East Saint Louis, IL was -36 in January of 1999.
Greenville, GA was -17 in January of 1940.
Which of these states has the lowest record temperature?
Which state has a lower record temperature, FL or GA?
Which state has a lower record temperature, CT or IL?
How many more degrees colder is the record temperature for GA than for FL?
Problem 6 From Unit 5 Lesson 13
Find the quotients.