Place Value
Rounding
Comparing & Ordering Numbers
Expanded Form
Estimation
100

What place is the 5 digit in?

735,091

Thousands

100

Round to the nearest ten:

51

50

100

Is this statement true or false?

47>42

True

100

Write the number in expanded form: 

623

600 + 20 + 3

100

Estimate the sum:

61 + 38

100

200

What place value is the 2 in?

1 278 962

hundred thousands

200

Round to the nearest thousands:


83 649

84 000

200

Name a number that is greater than 151 but less than 200

Answers will vary.

200

Write the number in expanded form:

50972

50 000 + 9000 + 700 + 20 

200

Estimate the sum:

475 + 102

600

300
What place is the 9 digit in?


4 890 132

Millions

300

Round to the nearest hundred thousands:

639 028

600 000

300

Place the numbers from least to greatest: 

256, 69, 901, 91, 500

69 < 91 < 256 < 500 < 901

300

What number is represented below?

80 000 + 5000 + 20 + 1

85 021

300

Estimate the difference:

78 - 33

50

400

Write the place AND the value of the 7 digit

832 071

tens, 70

400

Round to the nearest millions:

7 999 111

8 000 000

400

Write the following numbers in order from greatest to least:


153 609, 112 325, 234 289, 156 399

112 325 < 153 609 < 156 399 < 234 289

400

What number is represented below?

4 000 000 + 200 000 + 1000 + 600 + 90

4 201 690

400

Ms. Li had 422 beads for an art project. Then she collected 197 more. Estimate how many beads she will have for her project?

400 + 200 = 600

She will have about 600 beads.


500

Write the place AND the value of the 2 digit

182 053 867

Millions, 2 000 000
500

Round to the nearest ten thousands:

198 925

200 000

500

Name a number that is less than 198 374 but greater than 189 046

Answers will vary.

500
Write the expanded form for:


370 512 964

300 000 000 + 70 000 000 + 500 000 + 10 000 + 2000 + 900 + 60 +4

500

The population of M.B. Sanford is 508 students and the population of Cambridge is 862 students. Estimate the difference.


900 - 500 = 400

There are about 400 more students at Cambridge.

or

The difference in population is about 400 students.


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