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The lowest point on Earth’s surface is the shore of the Dead Sea, elevation −1,344.99 meters. The highest point, the summit of Mount Everest, is 30,380.42 meters above the Dead Sea. What is the elevation at the summit of Mount Everest?
29,035.43 m
Naief is finding the sum − 7 + (4 3/4) on a number line. Does the result move to the left or the right?
right as it increases
Greg borrowed $100 from his parents. After he did some chores, they reduced the amount of his debt by $25. Write an expression on the board for how much money he owes his parents afterwards.
-100-(-25)
Two rational numbers are each less than 1. Is their product less than 1? Why or why not?
Not necessarily
Name a rational number that will be a terminating decimal
and correct answer
Name a rational number that would be a repeating decimal
and correct answer
Find the decimal form of 7/8
0.875
Find the product
-11/21
What is a rational number?
a/b where b is not zero and a, b are integers
A positive integer would be included in which subset or rational numbers?
Natural numbers
What is an Integer ?
Not a decimal or a fraction
What number is in the set of all whole numbers but not in the set of all natural numbers?
Zero!
What is special about the 8?
It is the Lowest Common Denominator
Explain how we know the result (+ve or -ve) of a multiplication
If the two numbers have the same sign the answer will be +ve. If the two numbers have a different sign then the answer will be -ve.
Mr Richard is 1/4 what nationality?
Scottish
What is the result of a (-ve) - (-ve) ?
It depends on which one has the larger absolute value
What is the result of (+ve) + (-ve) ?
It depends on which one has the larger absolute value
What is the Multiplication property of zero write on the board, algebraic example
a x 0 = 0
What property is this? ?(?+?)=??+??
Distributive Property
What property is this? ?+(−?)=?−?
Additive inverse
How many seconds are there in one hour?
3600
Give an example of a subset. ______ is a subset of _________
______ is a subset of _________
What is a subset?
A set inside another set?
What is a set?
A group of numbers