1. Decimals

2. hundreds
tens
ones .
tenths
hundredths
thousandths

3. Estimating Decimals Estimate – to make a good guess by rounding.
In decimals, always round to the nearest whole number (ones place) unless the directions tell you to do something different.

4. Sum Sum – the answer to an addition problem.
In word problems look for “clues” that tell you to add!
How many altogether
How many in all

5. Difference Difference – the answer to a subtraction problem.
In word problems look for “clues” that tell you to subtract!
How much longer
How much more
How many more