Rounding
10-1,000
Estimating Sums
Round to 100
Estimating Differences
Round to 100
Estimating Sums
Round to 1,000
Estimating Differences
Round to 1,000
100

Round the number 924 to the nearest tens place value.

What is 920.

100

Estimate the sum (Round these two values to the nearest hundreds place value)

78 + 321 = ?

What is about 400

100 + 300 = 400

100

Estimate the difference (Round these two values to the nearest hundreds place value)

329 - 190 = ?

What is about 100

300-200 = 100


100

Estimate the sum (Round these two values to the nearest thousands place value)

892 + 3,987 = ?

What is about 5,000.

1,000 + 4,000 = 5,000

100

Estimate the difference (Round these two values to the nearest thousands place value)

4,329 - 999 = ?

What is about 3,000

4,000-1,000 = 3,000

200

Round the number 12,362 to the nearest hundreds place value.

What is 12,400. 
200

Estimate the sum (Round these two values to the nearest hundreds place value)

432 + 789 = ?

What is about 1,200.

400 + 800 = 1,200

200

Estimate the difference (Round these two values to the nearest hundreds place value)

2,629 - 864 = ?

What is about 1,700

2,600 - 900 =1,700

200

Estimate the sum (Round these two values to the nearest thousands place value)

789 + 15,903 = ?

What is about 17,000 

1,000 + 16,000 = 17,000

200

Estimate the difference (Round these two values to the nearest thousands place value)

8,789 - 1,464 = ?

What is about 8,000

9,000-1,000 = 8,000

300
Round the number 35,063 to the nearest hundreds place value.
What is 35,100.
300

Estimate the sum (Round these two values to the nearest hundreds place value)

12,354 + 32,104 = ?

What is about 44,400

12,300 + 32,100 = 44,400

300

Estimate the difference (Round these two values to the nearest hundreds place value)

16,063 - 10,246 = ?

What is about 5,900

16,100 - 10,200 = 5,900

300

Estimate the sum (Round these two values to the nearest thousands place value)

75,024 + 45,981 = ?

What is about 121,000.

75,000 + 46,000 = 121,000

300

Estimate the difference (Round these two values to the nearest thousands place value)

242,183 - 27,795 = ?

What is about 214,000 

242,000 - 28,000 = 214,000

400

Round the number 72,309 to the nearest ten-thousands place value.

What is 70,000.

400

Estimate the sum (Round these two values to the nearest hundreds place value)

782,213 + 932,001 = ?

What is about 1,714,200

782,200 + 932,000 = 1,714,200

400

Estimate the difference (Round these two values to the nearest hundreds place value)

321,632 - 238,013 = ?

What is about 83,600

321,600 - 238,000 = 83,600

400

Estimate the sum (Round these two values to the nearest thousands place value)

47,723 + 75,921 = ?

What is around 124,000

48,000 + 76,000 = 124,000

400

Estimate the difference (Round these two values to the nearest hundreds place value)

321,632 - 238,013 = ?

What is about 84,000

322,000 - 238,000 = 84,000

500

Round the number 5,204,403 to the nearest thousands place value.

What is 5,204,000

500

Estimate the sum (Round these two values to the nearest hundreds place value)

1,940,341 + 253,172 = ?

What is about 2,193,500.

1,940,300 + 253,200 = 2,193,500

500

Estimate the difference (Round these two values to the nearest hundreds place value)

6,739,873 - 2,124,613 = ?

What is about 4,615,300

6,739,900 - 2,124,600 = 4,615,300

500

Estimate the sum (Round these two values to the nearest thousands place value)

3,492,942 + 842,910 = ?

What is about 4,336,000

3,493,000 + 843,000 = 4,336,000

500

Estimate the difference (Round these two values to the nearest thousands place value)

12,987,273 - 1,142,423 = ?

What is about 11,845,000

12,987,000 - 1,142,000 = 11,845,000

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