Math Unit Two Lesson Two Objective What will I learn today Use the standard form and word form of a number up to 100000000 Read a number aloud up to 100000000 What is standard form ID: 559954
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Slide1
Numbers through 100,000,000
Math Unit Two Lesson TwoSlide2
Objective: What will I learn today?Use the
standard form and word form of a number up to 100,000,000.Read a number aloud up to 100,000,000.Slide3
What is standard form?
Standard form is the regular way you would write a number. 345,678 1,578,263
12,345,600
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Write a number in Standard FormSlide5
Word FormWhen we write a number in word form
, we write out the words for that numberSeventy-two thousand, three hundred eighty-six
Ten million, three hundred twenty-one thousand, five hundred seventeen
Eighty-fiveSlide6
Write a number in word formSlide7
Standard Form Word FormSlide8
How do we read a number?
6 1 3 5 2 8 2Slide9
How do we read a number?Slide10
How do we read a number?Slide11
How do we write the word form of a number?Step one
-read the number either out loud or in your head.Step two- write the words that match what your are sayingSlide12
How do we use word form?
6 1 3 5 2 8 2Slide13
How do we use word form?
2 8 0 7 5 3 0 6 1 Slide14
Word form to standard form
Six million, two hundred seventy-five thousand, one hundred threeSlide15
Word form to standard form
Thirty-four million, five hundred sixty thousand, eight hundred twenty-twoSlide16
Nine million, six hundred fifty-six thousand, three hundred sixteen
12
3
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5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20Slide17
Check-Up!
Choose the word form of the number. 6,601,490A. six million, six hundred ten thousand, one hundred forty-threeB. six million, six hundred thousand, one hundred ninety
C. six million, six hundred one thousand, four hundred ninety
D. sixty million, six hundred one thousand, four hundred ninety
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Check-Up!Choose the word form of the number
. 45,600,000
A
. forty-five million, sixty thousand
C. forty-five million, sixty
B. forty-five million, six hundred thousand
D. forty-five million, six thousand
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Check-Up!
There were twenty-seven million, four hundred forty thousand, three hundred twenty-one aliens on planet Zodar. What is the standard form of this number?
27,440
27,443,021
2,700,432
27,440,321
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Check-Up!
Sixty-six million, nine hundred thirty-one thousand, seventy doughnuts were sold at Dunkin Donuts last year. What is the standard form of this number?
66,931
66,931,070
6,931,070
66,931,700