Ways to Show a Number

Standard Form

100

Which of these is written in standard form?

1. 50 thousands

2. twenty million and one

3. 468,212

3. 468,212

200

Write this number in standard form:

fifty one thousand, three hundred twenty five 

51,325

300

Write this number in standard form:

80,000 + 9,000 + 800 + 70 + 9

89,879

400

Write this number in standard form:

2 ten thousands 8 one thousands 4 hundreds 1 ten 6 ones

28,416

500

Write this number in standard form:

8 hundred thousands 9 ten thousands 4 hundreds 5 tens 9 ones 

890,459

Unit Form

100

Which one of these is written in unit form?

1. 52,658

2. 3 hundreds 2 tens 5 ones

3. 50,000 + 8,000 + 900 + 40 + 2

2. 3 hundreds 2 tens 5 ones

200

Write this number in unit form:

76,248

7 ten thousands 6 thousands 2 hundreds 4 tens 8 ones

300

Write this number in unit form:

800 + 60 + 3

8 hundreds 6 tens 3 ones 

400

Write this number in unit form:

5,000 + 400 + 30 + 9

5 thousands 4 hundreds 3 tens 9 ones

500

Which one is equivalent to this unit form: 7 hundreds 4 tens 3 ones

1. 7,403

2. 743

3. 700 + 40 + 30

4. seven thousand, four hundred thirty three

2. 743

Word Form

100

Which one of these is written in word form?

1. 8 hundreds 6 tens 7 ones

2. 87,238

3. 70,000 + 2,000 + 800 + 30 +7

4. five thousand, two hundred forty five 

4. five thousand, two hundred forty five

200

Write this number in word form:

879

eight hundred seventy nine 

300

Write this number in word form:

40,000 + 6,000 + 900 + 20 + 1

forty six thousand, nine hundred twenty one 

400

Write this number in word form:

539, 264

five hundred thirty nine thousand, two hundred sixty four 

500

Write this number in word form:

2 hundred thousands 3 ten thousands 1 thousand 4 tens 6 ones

two hundred thirty one thousand, forty six

Expanded Form

100

Which one of these is in expanded form?

1. 976,237

2. 6 thousands 2 hundreds 1 ten 5 ones

3. 5,000 + 300 + 20 + 4

4. five hundred thirty two 

3. 5,000 + 300 + 20 + 4

200

Write this number in expanded form:

8,367

8,000 + 300 + 60 + 7

300

Write this number in expanded form:

2 thousands, 5 hundreds, 5 tens, 2 ones 

2,000 + 500 + 50 + 2

400

Write this number in expanded form:

two hundred fifty two thousand, four hundred thirty nine

200,000 + 50,000 + 2,000 + 400 + 30 + 9

500

Which one of the following is equivalent to this expanded form: 400,000 + 90,000 + 50 + 8 

1. 4 hundred thousands, 90 ten thousands, 50 tens, 8 ones

2. 499,558

3. four hundred ninety thousand, fifty eight

3. four hundred ninety thousand, fifty eight

Mystery!

100

9 x 8 =

72

200

12 x 10 = 

120

300

14 x 10 = 

140

400

250 x 10

2,500

500

3,400 divided by 10

340