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.
