1. How can we convert metric measurements? Do Now: What is the value of the prefixes kilo, centi, and milli?

2. Converting from one to the other In order to convert from one value to another, we can use the following chart. K H D u d c m Move the decimal right or left depending on your conversion. U

3. What do we do when we convert? K H D u d c m From larger to smaller, place the last whole number of what you are converting under the unit you are starting with. Put a zero under the unit you are converting to. Fill in the blanks with zeroes. Remove any decimals and replace with commas (if needed). Example: Let’s say you are converting 4 km to mm. K H D u d c m 4 0 Step 1 4000000Step 2 There are 4,000,000 mm in 4 km

4. What do we do when we convert? K H D u d c m From smaller to larger, place the first number under the symbol you are starting with. Place a decimal under the symbol you are going to. Fill in the spaces with zeroes. For example: Let’s say you are converting 15 mm into meters. K H D u d c m 1 5 0. Step 1 Step 2 0. 0 0 1 5 15 mm = 0.0015 m

5. Some problems adding and converting units

6. Some more problems adding and converting units

7. Now, let’s convert our answers

11. Homework #