# Science the Write Way Grade 1 Estimating and Measuring Length

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Common Core Standards
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Common Core Grade 1 ELA and Science Performance Practice: Estimate and Measure Length

Estimating and Measuring are really just special cases of observing and communicating. Estimating and measuring involve approximating and measuring using both standard and nonstandard units to describe the dimensions of an object or event using observations and communication skills. When students measure some property, they compare the property to a defined referent called a unit. A measurement statement contains two parts, a number to tell us how much or how many, and a name for the unit to tell us how much of what. The use of the number makes a measurement a quantitative observation. When students communicate through reading and writing, it reinforces what they are learning.

This series of activities includes 5 lessons that integrate math, science, and writing.
1. Students begin with a science and math lesson in which they estimate the centimeter length of patterns using their index finger as a unit.
2. Next, students practice estimating and recording the length of parts of their face in the second lesson.
3. In the third lesson, students use writing skills to answer the question, “How did you estimate?” They write a sequence of steps to describe how to estimate.
4. Then students compare and sort papers of different lengths and place the papers of the same lengths in a box in the fourth lesson.
5. In the fifth and final lesson, students use writing skills to answer the question, “How do the lengths of paper compare?”

Included in this packet are teaching notes, teacher background, estimating and measuring posters to read, student recording pages, vocabulary cards, and rubrics for scoring.

The lessons can be previewed at the website: Scienceandkidsactivities.com

The Common Core State Standards addressed are:
CCSS.Math.Content.1.MD.A.1
Order three objects by length; compare the lengths of two objects indirectly by using a third object.
CCSS.Math.Content.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.
CCSS.ELA-Literacy.W.1.3
Write narratives in which they recount two or more appropriately sequenced events, include some details regarding what happened, use temporal words to signal event order, and provide some sense of closure.
CCSS.ELA-Literacy.W.1.8 With guidance and support from adults, recall information from experiences or gather information from provided sources to answer a question.

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