Rounding
Comparing
Ordering
Estimating
Forms
100

Round 4 367 to the nearest hundred.

4 400

100

Which is greater: 45 678 or 45 687?

45 687

100

Put these numbers in order from least to greatest: 4 500, 4 050, 4 550

4 050, 4 500, 4 550

100

About how many people are there if the exact number is 48 200?

About 50 000 or 48 000

100

Write 5 432 in expanded form.

5 000 + 400 + 30 + 2

200

Round 28 451 to the nearest thousand.

28 000

200

Fill in the symbol: 72 405 ___ 72 450

<

200

Put these numbers in order from greatest to least: 23 456, 32 456, 23 546

32 456, 23 546, 23 456

200

Estimate 3 842 + 2 167 by rounding each number to the nearest thousand.

6 000

200

Write 70 305 in expanded form.

70 000 + 300 + 5

300

Round 64 782 to the nearest ten thousand.

60 000

300

Which is greater: 309 876 or 309 786?

309 876

300

Order from least to greatest: 105 600, 150 060, 105 060, 150 600

105 060, 105 600, 150 060, 150 600

300

Estimate 8 921 − 3 174 by rounding each number to the nearest thousand.

6 000

300

Write 400 000 + 20 000 + 600 + 8 in standard form.

420 608

400

Round 349 876 to the nearest ten thousand.

350 000

400

Fill in the symbol: 650 099 ___ 650 909

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400

Order from greatest to least: 709 090, 790 900, 709 900, 790 090

790 900, 790 090, 709 900, 709 090

400

Estimate 24 681 + 37 429 by rounding each number to the nearest ten thousand.

60 000 

400

Write 583 204 in written form.

Five hundred eighty-three thousand two hundred four

500

Round 850 499 to the nearest hundred thousand.

900 000

500

Which is greater: 908 765 or 908 756? Explain how you know.

908 765; compare digits from left to right.

500

Put these in order from least to greatest: 900 009, 909 000, 900 900, 909 090, 900 090

900 009, 900 090, 900 900, 909 000, 909 090

500

A stadium has 48 763 seats and another has 31 248 seats. About how many seats are there altogether?

About 80 000

500

What number is represented by 900 000 + 60 000 + 7 000 + 500 + 20 + 4?

967 524

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