Elapsed Time

Calculating elapsed time, or time that has passed, can sometimes be tricky.  Here are two interactive activities to practice finding elapsed time.  The links will direct you to the activity, so to read about elasped time, click on the tab "learner".  Have fun!

http://www.shodor.org/interactivate/activities/ElapsedTime/

http://www.shodor.org/interactivate/activities/ElapsedTimeTwo/

Temperature and Elevation

If you were not able to explain how the temperatures changed as your family traveled up Pikes Peak on the Cog Railway, listen to Bill Nye the Science Guy.  

Subtracting Customary Units of Measurement with Ungrouping

Click on the link below to view an example of subtracting gallons and quarts using ungrouping....not borrowing! 


http://www.showme.com/sh/?h=pm0Dzzk

Adding Metric Units of Measurement using Regrouping

Below is an example of adding liters and kiloliters with regrouping.


http://www.showme.com/sh/?h=mJmf16m

Subtracting Metric Units of Measurement with ungrouping

Click on the link below for an example of subtracting grams and kilograms with ungrouping.


http://www.showme.com/sh/?h=J2tRVXk

Adding Customary Units of Measurement with regrouping

Click on the link below to view an example of adding quarts and pints with regrouping.


http://www.showme.com/sh/?h=b8YcFCi

The Water Cycle

Measurement

Use this information to help with homework:

Length

Customary (US)	Metric
1 foot = 12 inches	10 millimeters (mm) = 1 centimeter (cm)
3 feet = 36 inches = 1 yard	10 cm= 1 decimeter (dm) = 100 mm
1 mile = 5,280 feet	1,000 meters (m) = 1 kilometer (km)

Weight

Customary (US)	Metric
1 pound (lb) = 16 ounces	1,000 milligrams (mg) = 1 gram (g)
2,000 lbs = 1 ton	1,000 grams = 1 kilogram (kg)

Capacity

Customary (US)	Metric
8 ounces (oz) = 1 cup (c)	1,000 milliliters (mL) = 1 liter (L)
2 cups = 1 pint (pt)	1,000 Liters = 1 kiloliter (kL)
2 pints = 1 quart (qt)
4 quarts = 1 gallon

Subtracting Mixed Numbers with Ungrouping

Don't let ungrouping scare you!  Ungrouping is simply changing the form of the same number.  It is similar to getting change for a $10 bill.  If you owe someone $4, but all you have is a $10 bill, you will need to break your bill by changing the form to a $5 and 5 $1 bills.  You still have $10, it's just in a different form.  Now you can give the person you owe $4.  Click on the link below to see an example.

http://www.showme.com/sh/?h=tnDGS9o 

Adding Mixed Numbers

When working with fractions, it is important to always remember to simplify, or reduce, fractions to the lowest term.  Click on the link to view an example.

http://www.showme.com/sh/?h=DhxIWDQ