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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.

Order Length

1st Grade Math

Â» Unit:

Measurement and Time

Big Idea:The long and the short of itâ¦.. In this introductory lesson to ordering lengths, students will be able to compare objects by length using the vocabulary longest and shortest.

Unit Assessment on Measurement Concepts

1st Grade Math

Â» Unit:

Non Standard Measuring

Big Idea:Move over Van Halen because today we are all going to "Jump." So go ahead and jump as students solve an assessment piece and story problems involving jump lengths. If you are under 30, please Google Van Halen before proceeding.

Indirect Measurement

1st Grade Math

Â» Unit:

Measurement and Time

Big Idea:Made to measure! In this lesson students will be able to use the transitive principle for indirect measurement as they compare the lengths of the objects to each other.

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.

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.

Measurement: Comparing Dinosaurs

1st Grade Math

Â» Unit:

Measurement

Big Idea:First Graders need to use direct and indirect comparisons to measure objects. Today they will use their new knowledge of dinosaurs to find the longest of the giant lizards.

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.

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.

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.

Scoop and Order, Day 2 of 2

1st Grade Math

Â» Unit:

Inch by Inch, Paperclip by Paperclip

Big Idea:Students play a well loved game again, while upping the rigor to ordering lengths without any scaffolds!

Classroom Design Plans

1st Grade Math

Â» Unit:

Inch by Inch, Paperclip by Paperclip

Big Idea:Students pretend to be interior designers in this hands on measurement lesson! They think about how to represent classroom objects in relation to each other as they create a classroom design plan.

Shoe Organization: Measure and Order

1st Grade Math

Â» Unit:

Inch by Inch, Paperclip by Paperclip

Big Idea:Students pretend to be shoe salesmen as they organize shoes from shortest to longest and review key measurement concepts.

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.