Numbers through 100,000,000 Math Unit Two Lesson Two.
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Transcript of Numbers through 100,000,000 Math Unit Two Lesson Two.
Numbers through 100,000,000
Math Unit Two Lesson Two
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.
What is standard form?
Standard form is the regular way you would write a number.
345,678 1,578,263
12,345,600
Write a number in Standard Form
Word Form
• When we write a number in word form, we write out the words for that number
Seventy-two thousand, three hundred eighty-six
Ten million, three hundred twenty-one thousand, five hundred seventeen
Eighty-five
Write a number in word form
Standard Form Word Form
How do we read a number?
6 1 3 5 2 8 2
How do we read a number?
How do we read a number?
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 saying
How do we use word form?
6 1 3 5 2 8 2
How do we use word form?
2 8 0 7 5 3 0 6 1
Word form to standard form
Six million, two hundred seventy-five thousand, one hundred three
Word form to standard form
Thirty-four million, five hundred sixty thousand, eight hundred twenty-two
Nine million, six hundred fifty-six thousand, three hundred sixteen
1 2 3 4
5 6 7 8
9 10 11 12
13 14 15 16
17 18 19 20
Check-Up!
Choose the word form of the number. 6,601,490
A. six million, six hundred ten thousand, one hundred forty-three
B. six million, six hundred thousand, one hundred ninetyC. six million, six hundred one thousand, four hundred
ninetyD. sixty million, six hundred one thousand, four hundred
ninety
Check-Up!
Choose the word form of the number.
45,600,000
A. forty-five million, sixty thousandC. forty-five million, sixtyB. forty-five million, six hundred thousandD. forty-five million, six thousand
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?
A. 27,440B. 27,443,021C. 2,700,432D. 27,440,321
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?
A. 66,931B. 66,931,070C. 6,931,070D. 66,931,700