vocabulary standard form – a number written with one digit for each place value. 123 789 word form...

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Vocabulary Standard form – A number written with one digit for each place value. 123 789 Word form – A number written in words. One hundred twenty-three thousand, seven hundred eighty-nine

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Page 1: Vocabulary Standard form – A number written with one digit for each place value. 123 789 Word form – A number written in words. One hundred twenty-three

Vocabulary

• Standard form – A number written with one digit for each place value.

123 789• Word form – A number written in words.

One hundred twenty-three thousand,seven hundred eighty-nine

Page 2: Vocabulary Standard form – A number written with one digit for each place value. 123 789 Word form – A number written in words. One hundred twenty-three

Vocabulary

• Expanded form – A way to write numbers that shows the place value of each digit.

100 000 + 20 000 + 3 000 + 700 + 9 = 123 709

Page 3: Vocabulary Standard form – A number written with one digit for each place value. 123 789 Word form – A number written in words. One hundred twenty-three

ReviewNumbers are divided into periods

690 492

Tho

usan

ds

One

sO

nes

Periods are separated by Periods are separated by commas.commas.

Page 4: Vocabulary Standard form – A number written with one digit for each place value. 123 789 Word form – A number written in words. One hundred twenty-three

Remember that each period hasthree place values within the period

6 9 0 4 9 2

Thousands Ones

Ones

Tens

Hundre

ds

Ones

Tens

Hundre

ds

Page 5: Vocabulary Standard form – A number written with one digit for each place value. 123 789 Word form – A number written in words. One hundred twenty-three

Tip

690 492

Do not use “and” when writing whole numbers. The word “and” will be used

when you are reading numbers with decimals.

Six hundred and ninety-thousand,Six hundred and ninety-thousand,

and four hundred and ninety-two.and four hundred and ninety-two.

Page 6: Vocabulary Standard form – A number written with one digit for each place value. 123 789 Word form – A number written in words. One hundred twenty-three

How to write large numbers in word form

690 492

Thousand Ones

Write the numbers as you would read them:1st Start with the period farthest to the left and write it in word form.

2nd Continue with the period to the right and write it in word form. Continue this process till you reach the ones period.Six hundred ninety thousand four hundred ninety two

Page 7: Vocabulary Standard form – A number written with one digit for each place value. 123 789 Word form – A number written in words. One hundred twenty-three

Write this number

4 268

Four thousand, two hundred sixty-eight

Page 8: Vocabulary Standard form – A number written with one digit for each place value. 123 789 Word form – A number written in words. One hundred twenty-three

Write this number

305 108

Three hundred five thousand, one hundred eight

Page 9: Vocabulary Standard form – A number written with one digit for each place value. 123 789 Word form – A number written in words. One hundred twenty-three

Standard form is a numberwritten with one digit for each place value

305 108

Three hundred five thousand, one hundred eight

Page 10: Vocabulary Standard form – A number written with one digit for each place value. 123 789 Word form – A number written in words. One hundred twenty-three

What is the standard form of thisnumber?

63 490

Sixty-three thousand, four hundredninety.

Page 11: Vocabulary Standard form – A number written with one digit for each place value. 123 789 Word form – A number written in words. One hundred twenty-three

What is the standard form of this number?

Twenty-two thousand, two hundred

22 200

Page 12: Vocabulary Standard form – A number written with one digit for each place value. 123 789 Word form – A number written in words. One hundred twenty-three

The expanded form of the number is used to show the place value of each

digit

6 823

6,000 + 800 + 20 + 3

The expanded form of

is

Page 13: Vocabulary Standard form – A number written with one digit for each place value. 123 789 Word form – A number written in words. One hundred twenty-three

What is the expanded form of?

973 104

900 000 + 70 000 + 3 000 + 100 + 4

Page 14: Vocabulary Standard form – A number written with one digit for each place value. 123 789 Word form – A number written in words. One hundred twenty-three

What is this number in expandedform?

7 021 500

7 000 000 + 20 000 + 1 000 + 500

Page 15: Vocabulary Standard form – A number written with one digit for each place value. 123 789 Word form – A number written in words. One hundred twenty-three

What about decimals?

When writing decimals in word form, use the word “and” to

represent the decimal point. 5.2

five and two tenths

Page 16: Vocabulary Standard form – A number written with one digit for each place value. 123 789 Word form – A number written in words. One hundred twenty-three

1 5 . 7 9 8

TENS

ON

ESTEN

THS

HU

ND

RED

THS

THO

USA

ND

THS

Page 17: Vocabulary Standard form – A number written with one digit for each place value. 123 789 Word form – A number written in words. One hundred twenty-three

FIFTEEN

15.27

AND

TWENTY SEVEN HUNDRETHS

FIFTEEN AND TWENTY SEVEN HUNDRETHS

Page 18: Vocabulary Standard form – A number written with one digit for each place value. 123 789 Word form – A number written in words. One hundred twenty-three

THIRTY

30.027

AND

TWENTY SEVEN THOUSANDTHS

THIRTY AND TWENTY SEVEN THOUSANDTHS

Page 19: Vocabulary Standard form – A number written with one digit for each place value. 123 789 Word form – A number written in words. One hundred twenty-three

SEVEN HUNDRED FIFTY SIX

756.339

AND

THREE HUNDRED THIRTY NINE THOUSANDTHS

SEVEN HUNDRED FIFTY SIX AND THREE HUNDRED THIRTY NINE THOUSANDTHS

Page 20: Vocabulary Standard form – A number written with one digit for each place value. 123 789 Word form – A number written in words. One hundred twenty-three

THREE HUNDRED

300.3

ANDTHREE TENTHS

THREE HUNDRED AND THREE TENTHS

Page 21: Vocabulary Standard form – A number written with one digit for each place value. 123 789 Word form – A number written in words. One hundred twenty-three

Let’s Review!

Page 22: Vocabulary Standard form – A number written with one digit for each place value. 123 789 Word form – A number written in words. One hundred twenty-three

• Standard form – A number written with one digit for each place value.

• Word form – A number written in words.

• Expanded form – A way to write numbers that shows the place value of each digit.

• When writing decimals in word form, use the word “and” to represent the decimal point.