1. Copyright © Texas Education Agency, 2011. All rights reserved.1 Using a Ruler The key to accurate measurement!

2. Copyright © Texas Education Agency, 2011. All rights reserved.2 Step 1 Select a type of ruler Fractional Decimal Metric

3. Copyright © Texas Education Agency, 2011. All rights reserved.3 Step 2 Begin at the side of your object to be measured and line up the end of the ruler with the edge (make sure they are exactly even)

4. Copyright © Texas Education Agency, 2011. All rights reserved.4 Step 3 Pull/lay ruler straight across area to be measured (be sure to pull the ruler snug— you don’t want any slack)

5. Copyright © Texas Education Agency, 2011. All rights reserved.5 Step 4 Check whole number unit nearest the edge of the object

6. Copyright © Texas Education Agency, 2011. All rights reserved.6 Step 5 Mark or record measurement results