Sally wants to bake cookies and the recipe calls for 2 1/2 cups of flour. She looks in her pantry and finds that she only has 1 1/4 cup. How much flour does Sally still need?

a. 2 1/2 + 1 1/4

b. 2 1/2 - 1 1/4

c. 2 1/2 x 1 1/4

d. 1 1/4 - 2 1/2

answer: b

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## Wednesday, August 25, 2010

## Monday, August 16, 2010

Susan is planning on attending college. The tuition including room and board is $15, 423.00 for the school year. If she receives $9, 420.00 in assistance, how much does she still need to pay? What percentage of the total cost will she need to pay?

Solution: This problem is asking for two answers. To answer the first question, you need to take the total tuition and subtract the assistance. $15, 423.00 - $9420.00 = $6003.00

Susan will need to pay $6003.00.

To answer the second question (what percentage of the total tuition will Susan pay), you need to translate it into a question, then solve.

$6003.00 is what percentage of $15, 423.00?

$6003.00 = Wp x $15, 423.00

$6003.00 ÷ $15, 423.00 = 0.3892 which is 38.92%

Susan will need to come up with almost 40% of the cost of tuition.

Solution: This problem is asking for two answers. To answer the first question, you need to take the total tuition and subtract the assistance. $15, 423.00 - $9420.00 = $6003.00

Susan will need to pay $6003.00.

To answer the second question (what percentage of the total tuition will Susan pay), you need to translate it into a question, then solve.

$6003.00 is what percentage of $15, 423.00?

$6003.00 = Wp x $15, 423.00

$6003.00 ÷ $15, 423.00 = 0.3892 which is 38.92%

Susan will need to come up with almost 40% of the cost of tuition.

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## Wednesday, August 04, 2010

**GED Math: Basic Math Facts**

The arithmetic facts (addition, subtraction, multiplication, division) are the building blocks of math. Knowing your basic facts well..... creates the foundation needed to succeed in learning GED Math.

**Free math flashcard download.**

**The answer to an addition problem is the

**SUM**.

**The answer to a multiplication problem is called the

**PRODUCT**.

Learn the fact families of addition and subtraction together.

3 + 4 = 7

4 + 3 = 7

7 - 3 = 4

7 - 4 = 3

Learn the fact families of multiplication and division together.

4 x 5 = 20

5 x 4 = 20

20 ÷ 5 = 4

20 ÷ 4 = 5

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