Common Core: 6th Grade Math : Multiplying Multi-Digit Decimals

Example Questions

Example Question #1 : Multiplying Multi Digit Decimals

Find the product.

Steven bought 4 cheeseburgers to share.  Each cheeseburger costs $0.79. How much did Steven pay for the 4 cheeseburgers? Possible Answers: Correct answer: Explanation: The easiest way to do this problem is to multiply . Another option is to add . Either way, the correct answer is . Example Question #51 : Fluently Add, Subtract, Multiply, And Divide Multi Digit Decimals: Ccss.Math.Content.6.Ns.B.3 Multiply: Possible Answers: Correct answer: Explanation: We ignore the decimals for the time being, multiplying: Since, between them, the two original factors have a total of two digits to the right of their decimal points, we place the decimal point in the product so that there are two digits to the right. This yields: Example Question #3 : Multiplying Multi Digit Decimals Gina is recylcing bottles. She earns for each plastic bottle she recycles and cents for each glass bottle she recycles. If Gina recycles plastic bottles and glass bottles, how much money does she earn? Possible Answers: Correct answer: Explanation: Multiply the number of plastic bottles Gina recycles by the amount she earns for each plastic bottle, then multiply the number of glass bottles she recycles by the amount she earns for each glass bottle. plastic bottles at each earns glass bottles at each earns Add these earnings together to find Gina's total earnings. Example Question #2512 : Operations Isaiah buys 5 snacks from the vending machine . If each snack is$1.75, how much money does Isaiah spend?

Explanation:

Since each snack costs $1.75, multiply$1.75 by 5 to find the total cost:

Jenny is getting ready for school. She bought school supplies on a tax-free day. She bought notebooks for $1.25 each and crayons for$0.90 each. Jenny bought two more notebooks than crayons. She paid with a ten dollar bill and got $1.05 in change. How many notebooks did she buy? Possible Answers: 4 1 2 5 3 Correct answer: 5 Explanation: Define variables as x = number of crayons and x + 2 = number of notebooks To find out how much she spent, we subtract her change from what she paid with: 10.00 – 1.05 = 8.95 Then we need to solve the problem cost of notebooks plus the cost of crayons equals the total cost. 1.25(x + 2) + 0.90x = 8.95 and solving for x gives 3 crayons and 5 notebooks Example Question #1 : How To Add And Subtract Decimals The above is a menu at the concession stand at a drive-in movie. The stand also offers a Family Chicken Strip Bucket - twenty chicken strips, four medium orders of fries, and four medium sodas for$30.

How much more would the items of the Family Chicken Strip Bucket cost if they were purchased separately?

(Ignore tax)

Explanation:

There are twenty chicken strips in the Family Chicken Strip Bucket, which are the same as in five orders; each order costs $3.99 separately. Each medium order of fries costs$2.79 separately, and each medium soda costs $1.69 separately. The items separately cost a total of Subtract$30; the savings amount to

Multiply: