Measuring and Comparing Lengths Together
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Measuring and Comparing Lengths Together
Grade 1 Mathematics Learning to measure and compare objects
Which Object is Longest?
Look at these three objects Which one do you think is the longest? Which one is the shortest? How can we be sure?
What Does Length Mean?
Length means how long something is We can measure length to compare objects Measuring helps us know for sure Today we'll use special tools to measure
Our Measuring Tools
Paper clips Linking cubes Crayons String
How to Measure with Paper Clips
Line up paper clips end-to-end No gaps between clips No overlaps Count how many clips long the object is
Measuring Rules
{"left":"Start at one end of the object\nLine up tools with no gaps\nLine up tools with no overlaps","right":"Count carefully\nRecord your answer\nCheck your work"}
Group Measurement Challenge
Work in groups of 4 Measure 3 different objects Use your chosen measuring tool Record the length of each object Put objects in order from shortest to longest
Think About Your Measuring
How did you decide which object is longest? What measuring tool did you use? Was it easier with paper clips or cubes? Why do you think that?
Sharing Our Discoveries
Each group shares their results Show how you ordered your objects Explain your measuring method Tell us which was shortest and longest
What We Learned Today
Measurement helps us compare objects accurately Length is how many units long something is We can use different tools to measure Working together makes learning fun!