Notations
A point on a graph has an open circle. Is the point included or not?
Not Included
5 divided by 1 equals
5 divided by 1 equals 5
1+4=
1+4=5
7-5=
7-5=2
Zack has 5 more crayons then Matthew, Matthew has 3 more crayons then Vito. If Vito has 50 crayons how many crayons does Zack have?
Zack has 58 crayons.
Write (-2, 8] in inequality notation.
-2<x<8
8 divided by 4 equals
8 divided by 4 equals 2
5+5=
5+5=10
20-10=
20-10=10
A kid has 5 lolly pops. He gets 3 more how many lolly pops does the kid have?
The kid has 8 lolly pops.
This notation uses parentheses and brackets.
Interval notation
20 divided 5 equals
20 divided 5 equals 4
20+10=
20+10=30
50-30=
50-30=20
Alvin has 8 candies he gives 6 candies to his friends, how many candies does Alvin have left?
Alvin has 2 candies left.
Write x>2 in interval notation.
[2, infinity)
100 divided 50 equals
100 divided by 50 equals 2
500+400=
500+400=900
500-70=
500-70=430
If you have 87 treats and give 8 treats to your friends how many treats do you have left?
You will have 79 treats left.
Write (- infinity, infinity) in SET notation.
Fancy R, or all real #'s
120 divided by 20 equals
120 divided by 20 equals 6
5,000+3,000=
5,000+3,000=8,000
5,555,333-300=
5,555,333-300=5,555,033
Olivia has 5 times more candy then her friend, her friend has 6 candies how much candy does Olivia have?
Olivia has 30 candies.