4th Grade, Place Value

Addison wants to purchase a shirt that costs $18 and pants that cost $32. About how much will Addison spend? (Estimate)

$20 + $30 = $50

A pair of pants costs $32 and a shirt costs $18. About how much more money do the pants cost than the shirt? (Estimate)

$30 - $20 = $10

digit

0, 1, 2, 3, 4, 5, 6, 7, 8, or 9; used for writing numbers

12,548,120 rounded to the nearest hundred thousand

12,500,000

12,548,120 rounded to the nearest hundred

12,548,100

12,548,120 rounded to the nearest ten thousand

12,550,000

two hundred eight million, thirty-two million, five hundred ninety

208,032,590

twenty-eight million, thirty-two thousand, fifty-nine

28,032,059

20,000,000 + 8,000,000 + 300,000 + 2,000 + 50 + 9

28,302,059

twenty-eight million, three hundred twenty thousand, five hundred nine

28,320,509

What is the place value of the 9 in the number 98,461 ?

ten thousands

What is the place value of 6 in this number: 98,461

tens

expanded form

the sum of each digit's place value

greater than

used to show that a number has greater value >

less than

used to show that a number has less value <

place value

what a digit is worth based on its position

What is the relationship among the values of the 4s in 447 ?

The 4 in the hundreds place is ten times the value of the 4 in the tens place.

What is the relationship among the values of the 4s in 14,428 ?

The 4 in the thousands place is ten times the value of the 4 in the hundreds place.

What is the value of the 6 in the number 98,461 ?

60

What is the value of the 9 in the number 98,461 ?

90,000

value

How much a digit is worth

estimate

a close guess of the actual value, or number

millions period

a period that includes millions, ten millions and hundred millions

thousands period

a period that includes thousands, ten thousands and hundred thousands

rounding

an estimate that's based on place value

period

place value groups separated by commas; each group has ones, tens, and hundreds.