Prime/Composite
Is the number 7 prime or composite?
Prime!
21 dollars
4 x 7 =
28
What are the factors of 3?
1 and 3
Jack bought a toy for 12 dollars. He paid twice as much for his shirt. How much does his shirt cost?
24 dollars
What is a way to reduce math anxiety?
Use relaxation techniques
Is the number 12 prime or composite?
Composite
Steve is 12 years old. His father is 11 times older than him. How old is his father?
132 years old
5 x 9 =
45
What are the factors of 9
1 x 9, 3 x 3
The girls buy cupcakes for 5 dollars. Mom buys a cake that is 4 times more than the cupcakes. How much does the cake cost?
20 dollars!
What is a watershed?
An area where water drains to one point
Is the number 18 prime or composite?
Composite
Steve had 9 times more pieces of candy than Nancy. Nancey has 11 pieces. How many does Steve have?
99
What goes in the blank: 7 x _____ = 91
What are the factors of 39?
1, 39, 3, and 13
Sarah buys a video game for 96 dollars. She buys a toy for 8 dollars. How many more times than the toy did the video game cost?
12 times more!
The land and trees next to rivers.
riparian zone
What makes a number prime?
When the only factors of a number is the same number and 1. Example: 11 is prime because the only factors for 11 is 11 x 1
Jack had 75 dogs. That is 5 times as many dogs as his sister Sam had. How many dogs does Sam have?
15
What goes in the blank? 8 x ______ = 320
40
What are the factors of 45?
1, 3, 5, 9, 15 and 45
Michelle saw 6 columns of markers in a box of 84 markers. How many markers were in each column?
14 markers
How do trees and shrubs in the riparian zone help salmon?
They provide shade and food
What makes a number composite?
When a number has more than two factors!
Example: 14 is composite because it has the factors 1 x 14, 2 x 7
There are 3 kids at a table. Each kid has 5 folders. The whole class needs 5 times the amount of folders that the table has. How many folders do we need in all?
75 folders
What goes in the blank 25 x ______ = 225
What are the factors of 56?
1, 2, 4, 7, 8, 14, 28, and 56
At the blue table there was 4 kids each with three pencils. At the red table, there was 5 kids each with 4 pencils. How many pencils were there all together?
32 pencils
Math anxiety can negatively affect your ____________ memory, the part of your brain that does computation.
working