The Ubiquitous Number Line - PowerPoint PPT Presentation

1 / 10
About This Presentation
Title:

The Ubiquitous Number Line

Description:

From Korean Mathematics Book 2-1-6, pg 62. the time ... From Korean Mathematics Book 3-2-7, p 95. The Ubiquitous Number Line ... Korean Mathematics Book 5 ... – PowerPoint PPT presentation

Number of Views:70
Avg rating:3.0/5.0
Slides: 11
Provided by: truma
Category:

less

Transcript and Presenter's Notes

Title: The Ubiquitous Number Line


1
The Ubiquitous Number Line

From Korean Mathematics Book 1-2-1, p 9
  • Basic Subtraction Model

2
The Ubiquitous Number Line

From Korean Mathematics Book 1-1-5 pg 65
  • Comparison Subtraction Model

3
The Ubiquitous Number Line
the time of the time of
starting cleaning finishing cleaning

From Korean Mathematics Book 2-1-6, pg 62
  • Time modeled on Number Line

4
The Ubiquitous Number Line
Fill in the box with a fraction or decimal.
From Korean Mathematics Book 3-2-7, p 95
Comparison of Fractions with Decimals
5
The Ubiquitous Number Line
Lets find a way to add the numbers 0.5 and 0.3.
0.5 is 5 of 0.1 and 0.3 is 3 of 0.1. The sum of
0.5 and 0.3 is 8 of 0.1. 0.5 0.3 0.8
From Korean Mathematics Book 3-2-7, p 96
Addition of Decimals
6
The Ubiquitous Number Line
Lets think of finding the difference between
0.56 and 0.32.
From Korean Mathematics Book 4-2-6, p 78
Subtraction of Decimals
7
The Ubiquitous Number Line
Using the number line above,
From Korean Mathematics Book 4-2-6, p 78
Subtraction of Decimals
8
The Ubiquitous Number Line
Stanford is making two animal shapes by dividing
in half a wire 5 m in length. Lets find out the
length of the wire for one animal shape. How can
we do the division, 5 2?

From Korean Mathematics Book 5-2-2, pg 26
  • Division of Whole into Fractions on Number Line

9
There are 45 children in the class.
enjoy physical education.
of the remainder like math.
How many like math?
45 students
From Korean Mathematics Book 6-2-9, p 133
Three Step, Mixed Operation
10
Leads to Equations
A stack of wood is 40.5 cm high. Among them are
15 boards which are 0.9 cm thick. The rest are
1.5 cm thick. How many 1.5 cm thick boards are
there?
Identification of x
(0.9 15) (1.5 x) 40.5
From Korean Mathematics Book 6-2-9, p 135
Write a Comment
User Comments (0)
About PowerShow.com