Math Unit 4 Review!

Representing Numbers

100

Write the number 436,089 in expanded form.

400,000 + 30,000 + 6,000 + 80 + 9

200

Write the number 436,089 in word form.

four hundred thirty-six thousand eighty-nine

300

Count by 10,000 starting at 6,500 and stopping at 66,500. Record each number.

6,500, 16,500, 26,500, 36,500, 46,500, 56,500, 66,500

400

Pick two numbers from this list and write them in words:

6,500, 16,500, 26,500, 36,500, 46,500, 56,500, 66,500

Example:

6,500: Six thousand five hundred. 16,500: Sixteen thousand five hundred

Thinking about Numbers within 1,000,000

100

Round each number to the nearest 10 and to the nearest 100.

1. 63

2. 350

3. 485

1. 60 and 100
2. 350 and 400
3. 490 and 500

200

Write a number where the value of the 5 is 10 times the value of the 5 in 152,318.

Sample response: 517,908

300

Select all numbers in which the value of the 7 is 70,000.

A:  718,403     B:  178,509.    C:  807,135

D:  789,260     E:  987,631.    F:  978,011

B, F

400

Round the number 569,843 to the:

1. nearest thousand
2. nearest ten-thousand
3. nearest hundred-thousand

1. 570,000

2. 570,000

3. 600,000

Tenths and Hundredths as Fractions and Decimals

100

Order the following numbers from least to greatest:

6.52     6.4     6.39      6.53     6.6

6.39, 6.4, 6.52, 6.53, 6.6

200

Select all the numbers equivalent to 2/10.

A:  0.5

B:  0.2

C:  20/100

D:  25/100

E:  0.20

B, C, E

300

Compare 0.6 and 0.35 using < or >

0.6 > 0.35

400

Order the numbers from least to greatest:

13/10     1.25    7/5    1.46     155/100

1.25       13/10      7/5      1.46      155/100

Sums and Differences

100

Find the value of each expression:

1. 523 + 278

2. 418-235

1. 801

2. 183

200

Find the value using the standard algorithm. 

26,594 + 6,723

Show your reasoning.

33,317

300

Find the value using the standard algorithm:

357,168 - 258,429

Show your reasoning.

98,739

400

Find the value:

100,058 - 86,249

Show your reasoning.

13,809