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Comparing Lengths Using Objects
CCSS.MATH.CONTENT.1.MD.A.1

## Information about the videoComparing Lengths Using Objects

### Contents

In this video, Freddie is enjoying his toys and picnic when suddenly a mysterious trash can asks to see his longer sandwich. Since Freddie doesn’t have a ruler, he has to use the pencils he has to measure. Let’s help Freddie find the longer sandwich using non standard units of measurement!

### Standard and Non Standard Measurement

What is the difference between standard and non standard measurements? Standard units of measurement are units that are commonly used to measure such as inches and feet. The next section will explain non standard units of measure.

### What are Non Standard Units of Measurement?

What is nonstandard measurement? Nonstandard units of measurement are units of measurement that are not typically used. Some tools we can use for measurement with nonstandard units are a skateboard, shoe, or in this case pencils, since they are all the same length!

Why is nonstandard measurement important? You may not always have a ruler or measuring tape closeby, however non-standard measurement can help us collect data about length, width, and height.

### Non Standard Measurement Examples

What is an example of a non standard unit of measurement? We can use pencils to measure the length of a desk, a book, and a computer screen! ### How do you Measure Length Using Nonstandard Units?

Here is an example of how to use non standard units to measure length and compare using two sandwiches.

First, line up the end of the pencil with the end of the sandwich. We need to make sure the eraser is lined up exactly with the end of the sandwich, so we measure it correctly!  It looks like we need to use more than one, so we line up the ends of the next pencils with no spaces in between.  Now that we’ve measured the sandwiches, let’s compare lengths to see which one is longer! The peanut butter and jelly sandwich is two pencils long and the nut butter and marshmallow sandwich is three pencils long, so this sandwich is longer!

### Nonstandard Measurement Summary

We can use objects around us to help us measure. When measuring with an object such as a pencil:

• First, line up the end of the pencil with the end of the object, making sure the eraser is lined up exactly with the object, so we measure it correctly!
• Then think: 'how many pencils long is the object?'.
• Sometimes we need more than one pencil to measure, so we line up the end of the next pencil with no space in between.
• The length we measure with the pencils can be used to compare two objects.

Want some more nonstandard measurement practice? On this website there is a nonstandard measurement worksheet and nonstandard measurement worksheets along with other activities, and exercises.

### TranscriptComparing Lengths Using Objects

Transkripte - DACH Prozess Transkripte - DACH Prozess 100% 10 C2:J100

"Vroom Vroom (...) Beep Beeeeep! "Pssst over here!" "Can I help you? Wait, why is the trash can talking?!" "Nevermind that, it looks like you have some really yummy sandwiches... would you mind if I take a closer look at the LONGER sandwich you have there?" "I guess that's okay... but I'll have to use some pencils to help me measure them since that's all I have here..." Let's help Freddie with "Comparing Lengths using Objects". When finding the length of an object, we are looking for the distance between one end of the object to the other. Here Freddie has two sandwiches and needs to figure out which is longer. He doesn't have a ruler, but we can use the length of different objects around us to help measure... like a skateboard, (...) shoe, (...) or in this case (...) pencils, since they are all the same length! We can use pencils to measure the length of a desk, (...) a book, (...) and a computer screen! (...) Let's start by measuring the peanut butter and jelly sandwich using the length of pencils! First, line up the end of the pencil with the end of the sandwich. We need to make sure the eraser is lined up EXACTLY with the end of the sandwich, so we measure it correctly! It looks like we need to use more than one pencil to measure the sandwich, (...) so we line up the end of the next pencil HERE with no space in between. Now THINK, 'how many pencils long is the sandwich?' (...) The peanut butter and jelly sandwich is two pencils long. Next, we measure the nut butter and marshmallow sandwich using the same pencils. First, line up the end of the pencil with the end of the sandwich. We need to make sure the eraser is lined up EXACTLY with the end of the sandwich, so we measure it correctly! It looks like we need to use more than one, so we line up the ends of the next pencils HERE (...) and HERE with no spaces in between. Now ask yourself, 'how many pencils long is the sandwich?' (...) Let's count together! One, (...) two, (...) three! The nut butter and marshmallow sandwich is three pencils long. Since the peanut butter and jelly sandwich is two pencils long (...) and the nut butter and marshmallow sandwich is three pencils long... this sandwich is LONGER! Freddie gives the nut butter and marshmallow sandwich to the trash can. "Nom nom nom!" Before we see what happens next, let's remember! We can use objects around us to help us measure... like a skateboard, (...) shoe, (...) or in this case (...) pencils, since they are all the same length! When measuring with an object such as a pencil... first, line up the end of the pencil with the end of the object... making sure the eraser is lined up EXACTLY with the object, so we measure it correctly! Then THINK, 'how many pencils long is the object?'. Sometimes we need more than one pencil to measure, so we line up the end of the next pencil HERE with no space in between. The length we measure with the pencils can be used to compare two objects. "Oh! Hello Freddie, I was just..." "Zuri it was you this whole time!? If you wanted some of my sandwich I would have just shared it with you!" To enable screen reader support, press ⌘+Option+Z To learn about keyboard shortcuts, press ⌘slash

"Vroom Vroom (...) Beep Beeeeep! "Pssst over here!" "Can I help you? Wait, why is the trash can talking?!" "Nevermind that, it looks like you have some really yummy sandwiches... would you mind if I take a closer look at the LONGER sandwich you have there?" "I guess that's okay... but I'll have to use some pencils to help me measure them since that's all I have here..." Let's help Freddie with "Comparing Lengths using Objects". When finding the length of an object, we are looking for the distance between one end of the object to the other. Here Freddie has two sandwiches and needs to figure out which is longer. He doesn't have a ruler, but we can use the length of different objects around us to help measure... like a skateboard, (...) shoe, (...) or in this case (...) pencils, since they are all the same length! We can use pencils to measure the length of a desk, (...) a book, (...) and a computer screen! (...) Let's start by measuring the peanut butter and jelly sandwich using the length of pencils! First, line up the end of the pencil with the end of the sandwich. We need to make sure the eraser is lined up EXACTLY with the end of the sandwich, so we measure it correctly! It looks like we need to use more than one pencil to measure the sandwich, (...) so we line up the end of the next pencil HERE with no space in between. Now THINK, 'how many pencils long is the sandwich?' (...) The peanut butter and jelly sandwich is two pencils long. Next, we measure the nut butter and marshmallow sandwich using the same pencils. First, line up the end of the pencil with the end of the sandwich. We need to make sure the eraser is lined up EXACTLY with the end of the sandwich, so we measure it correctly! It looks like we need to use more than one, so we line up the ends of the next pencils HERE (...) and HERE with no spaces in between. Now ask yourself, 'how many pencils long is the sandwich?' (...) Let's count together! One, (...) two, (...) three! The nut butter and marshmallow sandwich is three pencils long. Since the peanut butter and jelly sandwich is two pencils long (...) and the nut butter and marshmallow sandwich is three pencils long... this sandwich is LONGER! Freddie gives the nut butter and marshmallow sandwich to the trash can. "Nom nom nom!" Before we see what happens next, let's remember! We can use objects around us to help us measure... like a skateboard, (...) shoe, (...) or in this case (...) pencils, since they are all the same length! When measuring with an object such as a pencil... first, line up the end of the pencil with the end of the object... making sure the eraser is lined up EXACTLY with the object, so we measure it correctly! Then THINK, 'how many pencils long is the object?'. Sometimes we need more than one pencil to measure, so we line up the end of the next pencil HERE with no space in between. The length we measure with the pencils can be used to compare two objects. "Oh! Hello Freddie, I was just..." "Zuri it was you this whole time!? If you wanted some of my sandwich I would have just shared it with you!" Turn on screen reader support