Give an example of a subset.
______ is a subset of _________
______ is a subset of _________
What is the result of (+ve) + (-ve) ?
It depends on which one has the larger absolute value
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
What is the result of a (-ve) - (-ve) ?
It depends on which one has the larger absolute value
What is a set?
A group of numbers
What is special about the 8?
It is the Lowest Common Denominator
A positive integer would be included in which subset or rational numbers?
Natural numbers
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
How many seconds are there in one hour?
3600
What is an Integer ?
Not a decimal or a fraction
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 product
-11/21
What is a rational number?
a/b where b is not zero and a, b are integers
Find the decimal form of 7/8
0.875
What property is this?
?+(−?)=?−?
Additive inverse
Two rational numbers are each less
than 1. Is their product less than 1? Why or why not?
Not
necessarily
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.
What number is in the set of all whole numbers but not in the set of all natural numbers?
Zero!
Mr Richard is 1/4 what nationality?
Scottish
What is a subset?
A set inside another set?
What property is this?
?(?+?)=??+??
Distributive Property
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)
What is the Multiplication property of zero
write on the board, algebraic example
a x 0 = 0