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1; mental math can be used to multiply two digit numbers mental

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1; mental math can be used to multiply two digit numbers mental

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1) to figure out the discount off from your favorite jacket
2) to figure out how much you pay for interest in credit card

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How to use mental math in real-life situations

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#1; mental math can be used to multiply two digit numbers mentally.
#2; mental math can also be used for real life problems, like when going shopping and calculating the prices for items.

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Ricardo Garcia

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1) It can help you estimate the cost of items
2) It can help you answer numerical questions faster

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1) It can help if you ever need to find our how much a sale is worth
2) To do your own taxes

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1.You can use mental math to see how much you pay instead of someone trying to take your money.
2.

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1. Mental math can be use when calculating the percentage of a discount.
2. Another way to use mental math is when you have a coupon.

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Do math when you see discount cost less also help count.

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ex.1 One way you can use mental math is if you get a job as a cashier and you can learn how to ring someone up properly.
ex.2 If you are at a store and need to see how much off a shirt is

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1.A example of mental math can be a discount at a shoe store when they have it at 10% off.
2.Another example is when you buy things by coupons.

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$100 shoes with 50% discount= $50

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one way mental math can be used in a real life problem is at the grocery store when you looking for discounts. Another example would be when your mom is saving coupons and decide's to use them you can see hoe much that coupon is taking off the original price.

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One example can be discounts at a clothing store, such as 10% off an item and making the mental math in your head.
Another example could be leaving a tip for a waiter/waitress. You need to be able to calculate how much your giving him/her.

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Mental math helps us students to develop raliable and effecient methods to develop codable methods such as multilplying or dividing in some situation in a store or work.

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the mental calculation helps us to do many tasks as example, some account that we want to do in the work in a store etc.

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One way to use mental math would be when figuring out the discount prices in a store.  Another way to use mental math would be when splitting a bill with friends.

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you can use the math when you measure your time. another example is when you manage your salary .

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you can use mental math when you go to footlocker and get  these shoes on discount for 30 percent from the original price

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Mental Math can be used when at a grocery store when they have sells/discounts so you know your price at the end and will be able to make sure you know its correct.

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You can use mental math when you go to the mall and estimate the discount off from the jacket.

Also, you can estimate how much your interest is when paying for your credit card.

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You can find mental math very helpful when you go to the mall or when you go for example when there is a discount of 20%off an item that cost 100$the item now cost 80$

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Mental math is doing quick but not exact math . It may help in many situations ,for example you do a job and 40% of the profit made is yours you want to know how much you are getting , lets say they got paid 1000 so you convert the percent in a decimal times the amount and that is the percent of the total 40= .40%  *1000 = 400 so 400 dollars is your pay easy to do mentaly . another example you go to a restorant and they charge 15% of the check fot the waitress or waiters tip . so you pay 38 we round it to 40 and want to now how much will they charge of tips  , so we convert the percent in to a decimal then times it by the total 15%+.15 * 40 =it is 6 dollar so it will be 40 =6 dollar of tips your total will be 46 dollars quick to do i the mind

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Saul Marquez

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Mental math help in many situations. For example we mentally add the cost of two items to determine the total amount we owe.

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when theres a discount on shoes

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you use mental math when you count and add the hours you worked for the week

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when black Friday comes around

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When you're shopping and you see  discounts .
When companies describe the increase or decrease of their profit levels.

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you use mental math when u go to the grocery store or when you're shopping at the mall u have to use addition subtraction and division when something is like 10 percent off.you also have to round an estimate on how much u are spending

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Being able to do the mental math at the grocery store or any store to get stuff for a good price

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If you have 100, 10/100 is 10% so you just use mental math to calculate a percentage like if you have 200 10% of 200 is twenty percent.

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you need to be able to do mental math to know you're getting the right amount of change and know if you are paying the right amount of money taken off when you're buying something that's on sale

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You use mental math when you wanna pay your bills off.

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When you go to the store to buy a chocolate bar and it is 20% off, you compare how much money you have to how much the bar is worth along with its reduced price.

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when you go shopping

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so you can compare the prices.

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example: when comparing prices monthly to see what is cheaper after a year. 

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example: when comparing prices monthly to see what is cheaper after a year. 

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Saul

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*When you have to give a customer change.( Mentally Subtracting)
*Splitting A bill with Friends. (Mentally Dividing)

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you use mental math when buying clothes at the store when trying to get the most items for a good price. another example is using coupons on groceries.

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When you go to a store and see a 10% off sign, you have to be able to make sure that they charge you the right amount and give you the right amount of change back.
#2  And when you leave a tip for your server at a restaurant, you need to know how much you are giving them.

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You use mental math when you need change. For example You  have a 20 dollar bill and you want to change it for smaller bills. Another example would be estimating 50 percent off some 100 dollar shoes.

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we need it to make sure we are getting the correct amount of change

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Eliana Alvarado         example #1: use mental math when you go shopping for clothes ,you estimate how much you would spend 

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Eliana Alvarado         example #1: use mental math when you go shopping for clothes ,you estimate how much you would spend 

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example #2 : you can also use mental math to see if an item is a certain percent discounted from the original price , you can be able to estimate the new price.

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Example 1: Estimating ingredient for a recipe using your mental math of what you know and estimating how much you need to mke the best guess

Example 2: Trying to catch a sale at the mall so your checking the sale percentage from what you know.