module 1 lesson 4 place value, rounding, and algorithms for addition and subtraction topic: place...
TRANSCRIPT
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Module 1 Lesson 4Place Value, Rounding, and Algorithms for Addition and
SubtractionTopic: place value of multi-digit whole numbers
4.nbt.1 4.nbt.2 4.oa.1
This PowerPoint was developed by Beth Wagenaar and Katie E. Perkins.The material on which it is based is the intellectual property of Engage NY.
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Topic: Place Value of Multi-Digit Whole Numbers
•Objective: Read and write multi-digit numbers using base ten numerals, number names, and expanded form
Lesson 4
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Skip Counting Fluency3 Minutes
• Count by fours forward and backward to 48, focusing on the crossing ten transitions.
Lesson 4
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Place Value Fluency4 Minutes
Lesson 4
Millions Hundred thousands
Ten thousands
Thousands Hundreds Tens Ones
=====
Say the number in unit form.
Say the number in standard
form.
5 0 0 0 00
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Place Value Fluency4 Minutes
Lesson 4
Millions Hundred thousands
Ten thousands
Thousands Hundreds Tens Ones
=====
===
5 0 0 0 03
Say the number in unit form.
Say the number in standard
form.
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Place Value Fluency4 Minutes
Lesson 4
Millions Hundred thousands
Ten thousands
Thousands Hundreds Tens Ones
=====
===
5 0 3 0 00
Say the number in unit form.
Say the number in standard
form.
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Place Value Fluency4 Minutes
Lesson 4
Millions Hundred thousands
Ten thousands
Thousands Hundreds Tens Ones
=====
===
0 3 0 05
Say the number in unit form.
Say the number in standard
form.
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Place Value Fluency4 Minutes
Lesson 4
Millions Hundred thousands
Ten thousands
Thousands Hundreds Tens Ones
= === =====
0 3 5 001
Say the number in unit form.
Say the number in standard form.
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Place Value Fluency4 Minutes
Lesson 4
Millions Hundred thousands
Ten thousands
Thousands Hundreds Tens Ones
====
== =====
===
0 5 0 324
Say the number in unit form.
Say the number in standard
form.
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Base Hundred UnitsSay the numbers below in standard form.
3 hundreds =
9 hundreds =
537
hundreds =
864 hundreds =
30 hundreds =
10 hundreds =
21 hundreds =
33 hundreds =
19 hundreds =
Lesson 4
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Base Thousand UnitsSay the numbers below in standard form.
5 thousands =
9 thousands =
537 thousands =
347 thousands =
220 thousands =
10 thousands =
100 thousands =
20 thousands =
10 thousands =
Lesson 4
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Base Ten Thousand UnitsSay the numbers below in standard form. 7 ten
thousands =
9 ten thousands =
467 ten
thousands =
521 ten thousands =
962 ten thousands =
12 ten thousands =
200 ten thousands =
40 ten
thousands =
17 ten thousands =
Lesson 4
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Base Hundred Thousand UnitsSay the numbers below in standard form. 4 hundred
thousands =
8 hundred thousands =
92 hundred
thousands =
618 hundred thousands =
854 hundred thousands =
18 hundred thousands =
500 hundred thousands =
70 hundred
thousands =
19 hundred thousands =
Lesson 4
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Application Problem6 Minutes
Hundred thousands
Ten thousands
Thousands Hundreds Tens Ones
There are about forty-one thousand Asian elephants and about four hundred seventy thousand African elephants left in the world. About how many Asian
and African elephants are left in total?
Lesson 4
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Application Problem6 Minutes
There are about forty-one thousand Asian elephants and about four hundred seventy
thousand African elephants left in the world. About how many Asian and African elephants are left in
total?
Lesson 4
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Concept Development 26 Minutes
Materials: Personal white boards
Lesson 4
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Problem 1Write a four-digit number in expanded form.
1,708Hundred
thousandsTen
thousandsThousands Hundreds Tens Ones
• On your place value chart write the following number: 1,708.• What is the value of the 1?
1,000
.• What is the value of the 7? .
• What is the value of the 0? .• What is the value of the 8?
700 8
• What is the value of 1,000 and 700 and 8?• So 1,708 is the same as 1,000 plus 700 plus 8.• Write a number sentence to show that equation.
• 1,000 + 700 + 8 = 1,708
Lesson 4
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Problem 2Write a five-digit number in expanded form.
27,085Hundred
thousandsTen
thousandsThousands Hundreds Tens Ones
7,000 80 5
• Why is there no term representing the hundreds?• With your partner write an addition sentence.• Now read the expanded sentence with me.
• You said, “twenty-seven thousand, eighty five.”• What did you notice about where I placed a comma in both the standard form and the word form?
20,000
Show the value of
each digit at the
bottom of your
place value chart.
Lesson 4
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Problem 3Transcribe a number in word form to standard and expanded form.
Two hundred seventy thousand, eight hundred fifty Hundred
thousandsTen
thousandsThousands Hundreds Tens Ones• Read this number. Tell your
partner how you can match the word form to the standard form?
• Everything you say, you should write in words.
• The comma helps to separate the numbers in the thousands from the numbers in the hundreds, tens, and ones.
• Write this number in your place value chart.
• Now, write this number in expanded form. Tell your partner your equation.
200,000 + 70,000 + 800 + 50 equals 270,850.
Repeat with sixty-four thousand, three.
Lesson 4
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Problem 4Convert a number in expanded form to word and standard form.
700,000 + 8,000 + 500 + 70 + 3 Hundred
thousandsTen
thousandsThousands Hundreds Tens Ones
7 8, 5 7 3
• Read this number statement. On your own, write this number in your place value chart.
Seven hundred eight thousand, five hundred seventy-three.
Repeat with 500,000 + 30,000 + 10 + 3.
7 0 8, 5 7 3• My sum is 78,573. Compare your
sum with mine.
• Read this number in standard form with me.
• Write this number in words. Remember to check for correct use of commas and hyphens.
Lesson 4
Your 7 is in the wrong place! The
value of 7 is 700,000. You have
it as 70,000.
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Problem Set10 Minutes
Lesson 4
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Student DebriefLesson Objective: Read and
write multi-digit numbers using base ten numerals,
number names, and expanded form.
• Compare the numbers in Problems 1 and 2. What do you notice?
• As you completed the chart on Page 2, what number words were tricky to write? Which number words can be confused with other number words? Why? What strategies did you use to spell number words?
• Timothy and his dad read a number word in two ways. What other numbers can be read more than one way? Which way of reading a number best helps you solve? When?
• Two students discussed the importance of zero. Nate said that zero is not important, while Jill said that zero is extremely important. Who is right? Why do you think so?
• What role can zero play in a number? • How is expanded form related to the standard form of
a number? • When might you use expanded form to solve?
15 minutesLesson 4
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Exit TicketLesson 4
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Home
work!!
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