Topic 1 Place Value

Value

100

What is the value of the underlined number

83,284

80

200

84,794

80,000

300

38,385

8,000

400

48,834

800

500

What is the relationship between the 6s in the number 26,647

the 6 in the thousands place is 6 times greater the value of the six in the hundreds place

Expanded Form

100

Write this number in expanded form

45,392

40,000+5,000+300+90+2

200

Write this number in expanded form

24,934

20,000+4,000+900+30+4

300

26,647

20,000+6,000+600+40+7

400

20,033

20,000+30+3

500

3,450,241

3,000,000+400,000+50,000+200+40+1

Number Name

100

45,753

forty-five thousand, seven hundred fifty-three

200

42,250

forty-two thousand, two hundred fifty

300

239,614

two hundred thirty-nine thousand, six hundred fourteen 

400

9,999

nine thousand, nine hundred ninety-nine

500

41,779

forty-one thousand, seven hundred seventy-nine

Comparisons

100

443,292                   445,692

<

200

Is this correct?

65,215   >    65,512

no

300

292,200      229,200

>

400

Is this correct?

890,242   >  890,224

yes

500

101,111     111,111

<

Rounding

100

round to the tens place

564

560

200

round to the hundreds place

3,456

3,500

300

round to the ten thousands

2,456,341

2,460,000

400

543,897

543,900

500

9,909

10,000