Chapter 1 Place Value and Number Sense

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Transcript Chapter 1 Place Value and Number Sense

Mrs. Dover’s 4th grade
 Vocabulary
Words
Estimate: an answer
that is close to an
exact number
 Benchmark: A
number used as a
guide for making an
estimate.

 P.2
You can use a lesser
number or an
amount of
something as a
benchmark to
estimate a greater
number or amount.
 Lets do number 1
together.
 Do number 2 in your
notebook
 Teacher
Station : Reteach 1.1
 Student Led Station: Enrich 1.1 (Star
Stickers)
 Smart Board Station:
 Independent Work Station: Homework: LPS
 Vocabulary


Words
Period: Three
numbers written
together, periods
are separated by
comma’s.
178,890
Place value:

There are three
ways to write a
number:
Standard form:
729,000 (Short)
Word form: seven
hundred twenty –
nine thousand
Expanded form:
700,000
+20,000+9,000=
 Numbers
in a period are read together and
separated by a place value word
 Lets try:
167,987
One sixty seven hundred, nine hundred eighty
seven.
 Now you try:
289,678
 Practice
Reading
these numbers
134,937
 Write
763,912
these in
standard Form
 Write them in word
form
 Write them in
expanded form
 Teacher
Station: RT
1.2
 Student Led station:
Enrich 1.2
 Smart Board:
 Independent work
Station: Practice 1.2
 Assemble
a million cube.
Go over questions on p. 7 as a class
Millions
H
T
Thousands
O
H
T
Ones
O
H
T
•How many periods are in the place value chart? How many places
are in each period?
•Group Question: How many ways can you write 2,314,000?
•Notebook Question: How many ways can you write 373,285,275?
O
 Teacher
Station: RT 1.3 & 1.4
 Student Station: Enrich 1.4
 Smart board Station:
 Independent Work Station: 1.3 Practice &
1.4 LPS
 Vocabulary




Words:
Less than ( < ) : Symbol to show that the first
number is less than the second.
More than ( < ) Symbol to show that the first
number is less than the second.
Number Line: a line with numbers written on it
in order.
The symbol looks like pac – man. Pac Man always
eats the larger number.

When ordering
numbers use their
place value to
compare numbers
from greatest to
least.


Line up the one’s place.
Compare the digits
starting from the
greatest place. Compare
the digits in the next
place. Then write the
numbers in order
Look in the book on P.10
Teacher Station: RT
1.5
 Student Work Station:
 Smart Board:
 Independent Work
Station: P.10 1 - 32

 Identify
the problem
 Make a plan
 Follow your plan
 Look back to see if your answer makes sense.
1.6 as a Class
Divide into partners
 Teacher
Station: Practice 1.6
 Student Led Station: Enrich 1.6
 Smart Board:
 Independent Work Station: LPS
 Class
Review: P.16
 Independent Review : P. 17
 Test


Tomorrow!!!!!
10 Multiple choice questions
10 Constructive response questions