Distance & Expressions
a = 2, b = -2
What is b + a?
0
-14 + -8
-22
5 - 9
-4
A fish is 5.1 meters below the surface of the ocean. It swims 3.9 meters deeper. What is the fish's distance relative to the surface of the ocean?
-9 feet or 9 feet below the surface
What are the official colors of the rainbow?
ROYGBIG
a = 4, b = -4
What is a - b?
8
90 + (-132)
-42
-13 - 20 - 1
-34
Give a scenario that could be represented by the expression -8 - 10.
Answers vary
What is the world's most popular sport with an estimated 3.5 - 4 billion fans?
Soccer (football in other parts of the world)
Find the distance between -3.45 and 9.
12.45 units
-8 + 13 + (-25) + 4
-16
-5.19 - (-12.8)
7.61
Explain why a "cha-ching" becomes positive.
Ex: 5 - (-9) = 14
the opposite of subtraction is addition
Which month is Mrs. McSweeney's birthday?
July!
Find the distance between -79 and -1
78 units
-6.25 + 9 1/5
2.95 or 2 19/20
4 1/5 - 7 3/10
-3 1/10
Without calculating, explain how you can tell if the value of -9.45 - (-13) is positive or negative.
Positive - explanation given
In the movie The Lion King, what kind of animal is Pumbaa?
warthog
What is a - b - c?
- 10 1/2 + -4 + 1 1/3
-13 1/6
7.89 - 15 1/4
-7.36
A submarine 140.6 feet below the surface of the ocean goes up 15.8 feet. Then, it goes back down 20 feet. What is the submarine's new position relative to the surface of the ocean?
-144.8 feet or 144.8 feet below the surface
What musical artist has the #1 selling album of all time?
Michael Jackson - Thriller