Numbers through 100 000 Math Unit Two Lesson

Numbers through 100, 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. • Read a number aloud up to 100, 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 ninety C. six million, six hundred one thousand, four hundred ninety D. 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 thousand C. forty-five million, sixty B. forty-five million, six hundred thousand D. 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. B. C. D. 27, 440 27, 443, 021 2, 700, 432 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. B. C. D. 66, 931, 070 66, 931, 700