Place Value Power
In the number 482,905,136, what is the place value of the digit 8?
Ten Millions (80,000,000)
Round 4,829 to the nearest hundred.
4,800
Find the sum:
48,295 + 31,412
79,707
Find the difference:
89,450 - 34,210
55,240
In 2023, an ocean aquarium welcomed 142,500 visitors. In 2024, they welcomed 189,200 visitors. How many visitors did they welcome in total over both years?
331,700 visitors
Write the following number in expanded form: 705,040,209
700,000,000 + 5,000,000 + 40,000 + 200 + 9
Estimate the sum by rounding each number to the nearest ten thousand:
48,210 + 31,890
50,000 + 30,000 = 80,000
Find the sum with regrouping:
458,923 + 283,149
742,072
Subtract with regrouping across digits:
73,425 - 28,169
45,256
A city budget was $8,500,000. They spent $3,245,000 on city parks. How much money remains in the budget?
$5,255,000
Compare these two numbers using <, >, or =
642,819,005 ____ 642,891,005
642,819,005 < 642,891,005
Estimate the difference by rounding to the nearest million:
87,410,000 - 32,900,000
87,000,000 - 33,000,000 = 54,000,000
Find the sum of these three numbers:
125,400 + 84,320 + 291,005
500,725
Solve this multi-digit subtraction problem:
84,205,100 - 39,842,354
44,362,746
Airline A flew 12,482,900 miles this year. Airline B flew 18,905,200 miles. About how many more miles did Airline B fly than Airline A, rounded to the nearest million?
7,000,000 miles = 19,000,000 - 12,000,000
What is 10,000,000 less than 352,410,000?
342,410,000
Which estimated sum is larger:
289,100 + 412,050 (rounded to nearest hundred thousand)
OR
59,000 + 602,000 (rounded to nearest ten thousand)
289,100 + 412,050
Estimated: 300,000 + 400,000 = 700,000
Solve this addition problem through the millions:
48,290,145 + 37,852,918
86,143,063
Subtract across multiple zeros:
500,000 - 183,429
316,571
State X has a population of 14,820,500. State Y has a population of 8,945,200. How many more people live in State X than State Y?
5,875,300 people
Write this number in standard form: Three hundred forty-five million, sixty-two thousand, eight hundred one.
345,062,801
A company spent $482,910 on marketing and $319,400 on research. Rounding each amount to the nearest hundred thousand, about how much total money did they spend?
$500,000 + $300,000 = $800,000
Solve this hundred-million addition with multiple regroupings:
384,927,615 + 428,583,497
813,511,112
Solve this hundred-million subtraction across multiple zeros and regroupings:
700,050,200 - 348,291,485
351,758,715
A global corporation earned $450,000,000 in Q1 and $385,250,000 in Q2. Their total expenses for both quarters were $298,400,000. How much net profit did they make?
$536,850,000
Step 1: Total earnings $835,250,000 = 450,000,000 + 385,250,000
Step 2: $835,250,000 - $298,400,000 = $536,850,000