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Question Describe which number is greater based on the position of the number on the number line.

Answer 1 – NS. 7a 8 is greater because it is located to the right of 2 on a number line.

Question Describe which number is greater based on the position of the number on the number line.

Answer 1 – NS. 7a 3 is greater because it is located to the right of -1 on the number line.

Question Graph 3 degrees below Celsius on the number line.

Answer 1 – 30 6 NS. 7b See the graph below.

Question Show what the value of is using the number line below.

Answer 1 – 40 6 NS. 7c is 13 units from 0.

Question Veronica and Alex live in Alaska. Veronica says, “The heat wave is coming. The forecast for tomorrow is -7°.” Today’s temperature is - 2°. Alex says, “That’s not right, the temperature is dropping.” Who is right and why?

Answer 1 – 50 6 NS. 7d Alex is correct because the heat wave is not coming. Today’s temperature is -2°, while tomorrow’s temperature will be -7°. The temperature is actually getting colder (decreasing).

Question Compare 20 and using one of the following:

Answer 2 – 10 6 NS 7c

Question Compare ½ and -2 using one of the following:

Answer 2 – 20 6 NS 7a ½ > -2

Question Compare and 9.5 using one of the following:

Answer 2 – 30 6 NS 7a < 9.5

Question Use -½, 2⅔, and 0.75 with the following comparison symbol:

Answer 2 – 40 6 NS 7a 2⅔ > -½ 0.75 > -½ 2⅔ > 0.75

Question Use -⅜, -⅘, , -0.8 with the following comparison symbol:

Answer 2 – 50 6 NS 7a -⅜ < -⅘ -⅜ < < -⅘ < -0.8

Question Liz and Greg were selling lemonade on a windy summer day. They lost $10.34 after they paid for supplies. Write and explain losing $10.34.

Answer 3 – 10 6 NS 7c -$10.34 Liz and Greg lost $10.34 after paying for lemonade supplies.

Question Madeline and Lilly just finished a round of golf. Madeline finished 5 under par while Lilly finished 1 under par. Who won the golf match?

Answer 3 – 20 6 NS. 7c Madeline won because in golf the lowest score wins.

Question Byron is leading a submarine excursion to photograph the wreckage of a lost ship in the Atlantic Ocean. When the submarine reaches the lost ship, Bryon’s computer reads and elevation of "-800 meters." Write the absolute value to represent how far Byron is below sea level.

Answer 3 – 30 6 NS 7c 800 meters

Question Bryant is a doctoral student that lives with his parents. Bryant must pay rent and utilities to his parents each month. In May, Bryant gets a bill from his parents that lists the charges for the month that reads “-$534.” What does that amount represent?

Answer 3 – 40 6 NS. 7c Bryant owes his parents $534.

Question Palemon and Angelica are friends from high school. Since graduation, they have both put on some extra weight, but now they weigh exactly the same. During winter break they begin tracking their weight each week on a computer application. After 10 weeks, Palemon’s weight reads “-9 lbs” and Angelica’s weight reads “-5 lbs.” What do the readings mean? Who has lost more weight?

Answer 3 – 50 6 NS. 7d Palemon has lost 9 pounds and Angelica has lost 7 pounds. Palenmon has lost more weight.