Adding, Subtracting, and Rounding Decimals

To conclude our unit on decimals, we discussed how to add, subtract, and round them.  The biggest things to remember are:
1) Always line up the numbers by their place value and the decimal.
2) Use place holders "0's" to fill in where needed.  (Always at to the end, NEVER move a number away or closer to the decimal to add a zero!)

When we started discussing adding and subtracting decimals, I found this power point and changed it to match the needs of our classroom. Adding and Subtracting Decimals

Once we practiced with our elbow partners we then divided the class into two groups and played Decimal Jeopardy.  This can be found here: Decimal Jeopardy