Place Value
Rounding
Estimating
Addition
Multiplying by 10
100

Which place value is the digit 3 in?

345,629

Hundred Thousands

100

Round 2,345 to the nearest thousand.

2,000

100

Estimate the answer to 2,340+345 by rounding to the nearest 100.

2,600

100

Find the sum of 2,261 and 67,781.

70,042

100

1 ten x ____ ten(s)=100

1

200

Which place value is the digit 4 in?

548

Tens
200

Round 34,237 to the nearest ten thousand?

30,000

200

Estimate the answer to 12,352+37,028 by rounding to the nearest thousand.

49,000

200

Find the sum of 431 and 876.

1,307

200

10 x 3 tens=____

300

300

Which place value is the digit 7 in?
2,790

Hundreds

300

Round 2,378 to the nearest hundred.

2,400

300

Estimate the answer to 26,349-12,056 by rounding to the nearest thousand.

14,000

300

Find the sum of 108 and 782.

890
300

1 ten x _____ tens=900

9

400

Which place value is the digit 1 in?

34,561

Ones
400

Round 978 to the nearest ten.

980

400

Estimate the answer to 435,982+236,987 by rounding to the nearest hundred thousand.

600,000

400

Find the sum of 345 and 876.

1,221

400

10 x _____ tens = 800

8

500

Which place value is the digit 2 in? 

324,679

Ten Thousands

500

Round 346,729 to the nearest ten thousand.

350,000

500

Estimate the difference between 34,468 and 2,876 by rounding to the nearest hundred.

31,600

500

Find the sum of 46,802 and 54,983.

101,785

500

3 tens x 40 = 

120 tens = 1,200

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