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Vocab
Add/Subtract Decimals
Multiply/Divide Decimals
Apply Operations to Decimals
Halloween Trivia
100

If it says to find the total, what operation are you using?


remainder, equivalent, multiply, divide, addition

addition

100

.105 +  .213

=.318

100

.65 X .11

= .0715

100
Two friends buy a pound of raisins for $2.93 and a half pound of almonds for $3.75. What is the total cost of raisins and almonds that they bought? 

Addition

$6.68

100

What is the only mammal that can fly?

bat

200

Find the product means to ______. 


remainder, equivalent, multiply, divide, addition

multiply

200

.42 - .19

=.23

200

3.2 X 1.75 

= 5.6

200

I need to spend 40 hours at work to get paid. So far, I have spent 18.5 hours at work. How many more hours do I need to stay at work? 

subtraction

=21.5 hours

200

This popular cartoon ghost has appeared in dozens of films, tv series' and comic books.

Casper

300

Putting a number into equal groups means you need to ______. 


remainder, equivalent, multiply, divide, addition

divide

300

31.95 + 12.54  

=44.49

300

13.49 X .806

= 10.87294
300

A telescope traveled earth at 4.78 miles per second. How many miles would it take it to travel in 3 seconds? 

Multiply

= 14.34 miles

300

How many bones are in the average human skeleton?

1000, 201, 305, 206, 356

206

400

Having the same value. 


remainder, equivalent, multiply, divide, addition

equivalent

400

.837 - .408

= .429

400

7.8 Divided by 6

1.3

400

The boy hikes 6.1 miles in 2.5 hours. How many miles in one hour did he hike?

6.1 divided by 2.5


=2.44 miles/hour

400

How did early New Englanders protect their homes from evil spirits?

locking the doors, lighting candles, hiding their shoes in the wall, leaving all of the lights on

hiding their shoes in the wall

500

amount left over when a number cannot be divided equally. 


remainder, equivalent, multiply, divide, addition

remainder

500

12.15 +  6.832 

= 18.982

500

.56 divided by .025

= 22.4

500

A tailor spends $63.75 to buy 7.5 yards of satin. What is the cost of the satin fabric per one yard?

Divide

$8.50 per yard

500

Where is Transylvania, otherwise known as home to Count Dracula, located?

Romania