Show:
Rounding
Comparing/Ordering
Place Value
Estimating Sums, Difference, and Products
Find the Mistake
100

Round to the nearest hundred:

444

400

100

Which number is greater?

33,699 or 34,699

34,699

100

What place is the digit 5 in?

345,340

thousands

100

Estimate the sum of 9,242 +2,544

12,000

100

Estimate the sum.

4,529 + 4,784

4,000 + 5,000 = 9,000

The first number is rounded incorrectly. It should be

5,000 + 5,000= 10,000

The 5 in the hundreds place tells the 4 in the thousands place to round up.

200

Round to the nearest thousand:

1,680

2,000

200

Which number is least?

984,726;  1,377,002; 98,726

98,726

200

What is the value of the digit 7?

972,644

70,000

200
Estimate the difference.

8,655-3,987

5,000

200

Compare.

1,784,299 < 1,783,299

3,000 is greater than 4,000. The sign should be >

300

Round to the nearest hundred:

1,299

1,300

300

Put these numbers in order from least to greatest:

325,600; 342,800; 324,600

324,500; 325,600; 342,800

300

What is the value of the digit 6?

3,682,499

600,000

300

Estimate the sum.

2,983 + 2,389 + 4,047

9,000

300

Round to the nearest thousand

64,588

60,000

They rounded to the ten thousand place.

It should be 65,000

400

Round to the nearest thousand:

24,999

25,000

400

Order from greatest to least:

1,699,202;  2,966,101;   1,699,102

2,966,101;  1,699,202;  1,699,102

400

How much larger is the digit 5 in the first number than the digit 5 in the second number? (Hint:how is each place value spot related; think of the value of these digits.)

732,500

733,050

10 times larger

50 x 10=500

400

Estimate the difference.

9,425 - 2,221 - 2,811

4,000

400

Estimate the difference.

5,480 - 1,520=3,960

4,000

They rounded the difference, not the numbers used to subtract (the subtrahends)

5,000 - 2,000= 3,000

500

Round to the nearest thousand:

588,300

589,000

500

What number comes next in the series:

350,000;   400,000;   450,000;   500,000; ________

550,000

500

Follow the directions to make a new number from this number: 923,678

-the 6 in the thousands place

-the 3 in the ones place

-the 8 in the hundreds place

926,873

500

Estimate the product.

8,526 x 5

45,000

500

What is the largest number that can be rounded to 400,000 when rounded to the hundred thousands place?

350,000

You need the smallest number possible in the ten thousands place to allow the 4 in the hundred thousands place to stay as a 4.

449,999