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- 1.MD.A.1Order three objects by length; compare the lengths of two objects indirectly by using a third object.
- 1.MD.A.2Express the length of an object as a whole number of length units, by laying multiple copies of a shorter object (the length unit) end to end; understand that the length measurement of an object is the number of same-size length units that span it with no gaps or overlaps. Limit to contexts where the object being measured is spanned by a whole number of length units with no gaps or overlaps.

1.MD.A.2

Express the length of an object as a whole number of length units, by laying multiple copies of a shorter object (the length unit) end to end; understand that the length measurement of an object is the number of same-size length units that span it with no gaps or overlaps. Limit to contexts where the object being measured is spanned by a whole number of length units with no gaps or overlaps.

Mice Measurement

1st Grade Math

Â» Unit:

Time is Money: Hitting all the MD Standards

Big Idea:Watch out for that mouse! Students practice nonstandard measurement by measuring colorful mouse tails, and then putting them in order from shortest to longest or longest to shortest.

Make a Nonstandard Measuring Tool

1st Grade Math

Â» Unit:

Measurement and Time

Big Idea:Measure up! In this lesson, students make and use a nonstandard measuring tool to measure classroom objects.

What's in a Name?

1st Grade Math

Â» Unit:

Inch by Inch, Paperclip by Paperclip

Big Idea:Students love to work with each other's names! In this lesson, students put their names in order from shortest to longest. Then students practice putting sight words in length order.

STEM & Light - Day 1

1st Grade Science

Â» Unit:

Unit 2: Light Waves

Big Idea:Can you solve problems? Let's research how light energy can help us to communicate with others!

The Fishing Trip

1st Grade Math

Â» Unit:

Non Standard Measuring

Big Idea:What good fishing trip isn't without a good story or two? Today the students will solve comparison story problems involving different lengths of fish.

Use a Non-standard Unit to Measure

1st Grade Math

Â» Unit:

Measurement and Time

Big Idea:In this lesson students will use color tiles to measure classroom objects.

Making a Robot: Measurement Project

1st Grade Math

Â» Unit:

Time is Money: Hitting all the MD Standards

Big Idea:Do your kids love doing the robot dance move?! Get them excited about measurement with dancing and a culminating project that is sure to enhance their understanding of nonstandard measurement.

Unit Assessment

1st Grade Math

Â» Unit:

Measurement and Time

Big Idea:Unit Assessment. I use this as a unit assessment for measurement and time.

Using Different Units to Measure Day 2

1st Grade Math

Â» Unit:

Non Standard Measuring

Big Idea:Students continue to measure floor strips with a choice of three different units.

Let's Take a Trip to Our Moon

1st Grade Science

Â» Unit:

Unit 3: Celetial Patterns: The Sun, The Moon and Stars

Big Idea:When you look at the sky, what do you see? Let's take a close-up look at our very own moon!

Scoop and Order, Day 1 of 2

1st Grade Math

Â» Unit:

Inch by Inch, Paperclip by Paperclip

Big Idea:Students create cube trains in this fun kitchen-inspired lesson! Students work with partners to order 3 cube trains from longest to shortest.

Fisherman's Journal: Understanding Measurement

1st Grade Math

Â» Unit:

Inch by Inch, Paperclip by Paperclip

Big Idea:Students explain how to measure fish in this rigorous introduction to measuring length!

Different Unit, Same Length

1st Grade Math

Â» Unit:

Inch by Inch, Paperclip by Paperclip

Big Idea:This lesson doubles as an extension in first grade and as an introduction to 2nd grade measurement. Students notice how different units affect their measurements.

Measuring With Student Steps

1st Grade Math

Â» Unit:

Non Standard Measuring

Big Idea:Bill Murray called it "Baby Stepping" but today we will be student stepping. The students will measure 8 different lines using their own feet!

Classroom Comparisons

1st Grade Math

Â» Unit:

Inch by Inch, Paperclip by Paperclip

Big Idea:Students use a single object to compare other lengths in this school supply lesson.

1.MD.A.1

Order three objects by length; compare the lengths of two objects indirectly by using a third object.

1.MD.A.2

Express the length of an object as a whole number of length units, by laying multiple copies of a shorter object (the length unit) end to end; understand that the length measurement of an object is the number of same-size length units that span it with no gaps or overlaps. Limit to contexts where the object being measured is spanned by a whole number of length units with no gaps or overlaps.