# Written Numbers in Expanded Forms

Please assist with attached math problems.

1 Write this number in expanded form

a. 247,089

b. What digit tells the number of thousands

c. What digit tell the number of ten thousands

2 Write this number in words $8,886

3 Name the property of addition and explain your choice.

a. 3+(0 + 6) = (3 + 0) + 6

b. 0 + a = a

4 Perform addition or subtraction

a. 12,325

+ 36,403 (round answer to nearest thousands)

b. 53,488

- 25,649 (show your check by adding)

5 Business and Finance

In Jason's monthly budget, he set aside $375 for housing and $165 less than that for food.

How much did he budget for all bills?

6 Multiply or Divide

a. 2458

x 132

b. 892 divided by 48

7 Evaluate:

a. (5 + 2)2 + 20

b. (30/5) - (12 / 3)

c. 43 ● 2

8 Label the following True or False

a. (5mi)2 = 25mi ________

b. (7in2 ) = 7in2 ________

9 Find the perimeter and area of the figures below this table.

Ch 2- 10 List the factors of each of the following numbers: a. 21 b. 38

11 Prime numbers that differ by 2 are called twin primes. (Examples are 3 & 5 or 5 &7)

Find one pair of twin primes between 85 & 105.

12 Find the Prime factorization of each number. a. 225 b. 88

13 Find GCF for these numbers:

105 and 175

14 Statistics. Of the 5 starters on a basketball team, 1 fouled out of a game

What fraction names the part of the starting team that fouled out?

15 Change the following to mixed numbers or whole numbers

151 and 105

12 15

16 Change following to improper fractions

2 2 and 126 1

9 4

17 Statistics. Jeff Bagwell of the Houston Astros has 104 hits in305 times at bat. Matt Williams of a Arizona team has 88 hits in 275 times at bat. Do they have the same batting average

18 Multiply or Divide

a. 3 1/3 x 9/11

b. 7/2 x 5 1/3 x 5/14

c. 1 2/3 divided by 8/7

19 Crafts. A recipe calls for 1/3 cup of sugar for each serving. How much sugar is needed for 9 servings?

20 Science and medicine. Lauren was born on 04/28/83. How many minutes had she been alive on her birthday in 2003. (Don't forget leap years)

Use these figures to solve this item:

9. Find a) the perimeter

b) the area

#### Solution Summary

The expert writes the numbers in expanded forms. What digit tells the number of thousands are determined.