Solve the following problems.

6+7(56-4)-2

(3*6-1)(1/2 *6)-4+3

2/3(16-4*3)-4*5

Answers:

6+7(56-4)-2 =

**368**

(3*6-1)(1/2 *6)-4+3 =

**50**

2/3(16-4*3)-4*5 =

**-17.33**

Let's try Order of Operations.

Solve the following problems.

6+7(56-4)-2

(3*6-1)(1/2 *6)-4+3

2/3(16-4*3)-4*5

Answers:

6+7(56-4)-2 =**368**

(3*6-1)(1/2 *6)-4+3 =**50**

2/3(16-4*3)-4*5 =**-17.33**

Solve the following problems.

6+7(56-4)-2

(3*6-1)(1/2 *6)-4+3

2/3(16-4*3)-4*5

Answers:

6+7(56-4)-2 =

(3*6-1)(1/2 *6)-4+3 =

2/3(16-4*3)-4*5 =

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It is important the you know the Order of Operations when preparing for the GED math test. If you are unsure of the order, perhaps this will help you remember.

Example: 3+2 * 4

First, multiply the 2 and 4 which equals 8. Then add the 8 to 3. Your answer is 11.

Here is one you can try on your own. 7+6 *3-5

Answer: 20

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My brother in law is laying a cement slab this coming weeking. He needs to know how many cubic yards of cement to order. And quess what..... he called me. Here are the dimensions. Can you help me figure it out?

25 feet in length

15 feet in width

4 in deep

How many cubic yards of cement will he need?

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We are all looking to save on our grocery bill and I am sure you are no different. Let's say we found a great deal (which I did this weekend) and got a turkey for 79 cents a pound. If that turkey was 13 pounds, how much did it cos?

Now let's say we baked it and made some gravy. In our gravy we added 2 cans of soup (1 cream of mushroom and 1 cream of chicken) at 59 cents per can.

Note: We will combine our turkey and gravy.

If our turkey delight made a total of 36 servings, how much did each serving cost?

answer: 32 cents per serving WHAT A DEAL!!

Now let's say we baked it and made some gravy. In our gravy we added 2 cans of soup (1 cream of mushroom and 1 cream of chicken) at 59 cents per can.

Note: We will combine our turkey and gravy.

If our turkey delight made a total of 36 servings, how much did each serving cost?

answer: 32 cents per serving WHAT A DEAL!!

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Susan is putting a circular shaped flower garden in her back yard. The dimensions of her back yard is 30 ft by 15 feet. The radius of her flower garden is 7 feet. What is the area of just the grassy part of her lawn (hint: area of rectangle minus are of circle).

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I want to put in a cement patio and I need to order cement. If the dimensions of my new patio are 15 ft. by 10 ft and I want the cement to be 6 in. deep....... how much cement do I need to order.

Your answer should be in cubic feet.

Answer: 15ft x 10 ft x .5 ft = 75 cubic feet of cement

Your answer should be in cubic feet.

Answer: 15ft x 10 ft x .5 ft = 75 cubic feet of cement

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The square root of 23 is between which two groups of numbers?

4 and 5

2 and 3

6 and 7

Answer: 4 and 5

4 and 5

2 and 3

6 and 7

Answer: 4 and 5

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Joel noticed that the price of gas is now $3.29. Two months ago it was $2.96 per gallon. What was the percent of increase?

Answer: 11.15%

Answer: 11.15%

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solution: In order to solve this problem you must first calculate Anna's 20% discount. Hint: Change the 20% into a decimal. Next, subtract the discount fromthe origional price, this gives you Anna's sale price. Calculate the sales tax, again by changing the percent into a decimal. Finally, add the sale price and sales tax together.

$120 x .2 = $24 (discount)

$120 - $24 = $96

$96 x .055 = $5.28

$96.00 + $5.28 = $101.28 (Anna's final cost)

The sixth line in Pascual's Triangle is 1, 5, 10, 10, 5, 1

Can you figure out the following pattern? 2,5,17....

The pattern is (number) x 4 - 3

Can you figure out the following pattern? 2,5,17....

The pattern is (number) x 4 - 3

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Do you understand the number pattern for Pascual's Triangle? If you don't, you are not alone. Up until now, every time I saw it... I had to think about it. And then, I still may not have figured it out... or should I say remembered what the pattern was.

That is, up until now.

Can you figure out what the next row will be?

How do you remember the difference between associative and commutative?

The Commutative Property of Addition: a + b = b + a

When you commute back and forth to work... you go between two places.

The Associative Property of Addition: a + (b + c) = (a + b) + c

When you associate with friends at a party , it is always at least three.

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2.63, 2.01, 2.63, 3.49, 2.45, 2.61

Mode: 2.63

Median: 2.61

Mode: 1.48

Usborne Dictionary of Math (Great for GED!)

More GED Help

Adding and subtracting decimals is similar to adding and subtracting whole numbers. However, when you add or subtract decimals, it is important that you line up the decimal points. Once your numbers are lined up properly, you can add or subtract just like you would whole numbers.

Problem: Sally went to the store and purchased a can of soda for 75 cents and a bag of chips for $3.99. She gave the cashier a $10 bill. How much change will Sally get back?

Answer: $00.75 + $3.99 = $4.74

$10.00 - $4.74 = $5.26(change)

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