Place Value
What is the value of the 5 in 3 457 896
50 000 (fifty thousand)
How many millions make up 10 billion?
10 000 millions
Write 475 058 097 in expanded form
400 000 000 + 70 000 000 + 5 000 000 +50 000 + 8 000 + 90 +7
Round to the nearest million and estimate.
47 389 612 + 26 754 298
74 000 000
A city library recorded 47 389 612 online visits last year and 26 754 298 in-person visits.
How many visits were there in total?
Estimate: 74 000 000
Exact: 74 143 910
What is 100 000 more than 7 465 495 948
7 465 595 948
How many thousands make up 1 million?
1 000 thousands
Write this number in standard form
three billion two hundred twenty-six million thirty-four thousand six hundred seventy-eight
3 226 034 678
Round to the nearest ten thousand and solve:
92 004 507 − 18 675 289
73 320 000
A country’s population was 92 004 507 people in 2020. By 2025, the population dropped by 18 675 289.
What is the population in 2025?
Estimate: 73 000 000
Exact: 73 329 218
178 944 905 What digit is in the ten millions place?
7
How many tens make up 1 000?
100 tens
Write this number standard form
2 000 000 + 700 000 + 60 000 + 400 + 2
2 760 402
Estimate and solve:
842 × 76
67 200
A farmer has 437 apple trees, and each tree produces about 58 apples in the fall.
About how many apples does the farmer harvest?
Estimate: 26 400
Exact: 25 346
What is the value of the 9 in 9 675 304 488
9 000 000 000 (0 billion)
5 7 2 9 1 0 3 6 Using each digit once, what is the highest number that you can make and what is the lowest number that you can make?
97 653 210 (highest)
1 235 679 (lowest)
or
10 235 679 (lowest)
Write this number in number word form
180 402 599
180 million 402 thousand five hundred ninety-nine
or
180 million 402 thousand 599
Estimate and solve:
8424 / 12
840
A factory made 3 892 toy cars and packed them equally into boxes of 8. How many boxes are there?
Estimate: 500
What is 100 000 more than 2 560 432?
2 660 432
How many millions make up 1 trillion
1 000 000 millions
Write this number in standard form
six hundred twenty-one billion three hundred six million four hundred twenty-nine thousand five hundred seven
621 306 429 507
Estimate and solve:
437 x 58
26 400
A video game company sold 83 200 000 copies of one game worldwide. They reported that 59 875 643 copies were sold digitally.
How many copies were sold in stores?
Estimate: 23,000,000
Exact: 23 324 357