## Common Core State Standards for Mathematics

Grade(s) K resources related to the following standard:
Measurement and Data
Classify objects and count the number of objects in each category.
3. Classify objects into given categories; count the numbers of objects in each category and sort the categories by count.

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In this 5-lesson unit primary students identify attributes of buttons and other objects in their classrooms. Throughout the unit students learn to collect data about objects, display the data (Venn diagrams, pictographs, and bar graphs), and analyze the data to determine what this tells us about buttons and/or other objects. Each of the five lesson plans includes necessary student/class worksheets, questions for students, extension ideas, and assessment ideas. Lessons 2 and 3 reference stories that are an important part of the skill development: "The Button Box" by Margarette Reid and "The Elves and the Shoemaker" story.
Lesson Plans, Unit of Instruction
In this interactive application students playing at the easiest level count the number of each type of animal at the zoo on an island and choose the correct number to complete the list. The middle level has the student clicking on the number of each animal as shown in the bar graph. The hardest level requires students to interpret the data displayed in the bar graph. A worksheet is included in PDF format to be used for student work.
Activity, Interactive Media
In this 8-lesson unit students use buttons to explore logical and numerical relationships that form the conceptual basis for understanding addition and subtraction operations. Topics include counting, ordinal numbers (and relative position), classification (attributes), relationships between numbers, addition of sets, commutativity of addition, sums to 10, fact families (including subtraction), three models of subtraction ("take away", comparative, missing addend), and bar graphs. Includes student activity sheets and a link to an online graphing applet.
Activity, Instructor Guide/Manual, Lesson Plans, Unit of Instruction
This iOS app (\$) is a collection of 18 activities providing practice with a wide range of early math skills involving number, shape, and measurement.
Activity, Interactive Media, Mobile App
Grade Level: Pre-K, K, 1, 2
In this lesson plan students learn to create bar graphs using unifix cubes, translate this representation to graph paper, and then compare the data that has been collected and displayed. Students are encouraged to make up their own questions about the data (favorite juice) and to practice with multiple sets of data. Sample questions for students and extension ideas are included. The lesson contains links to a PDF of graph paper and the Bar Grapher tool which is cataloged separately in this database.
Activity, Lesson Plans
Grade Level: Pre-K, K, 1, 2
This narrative document describes the progression of Categorical and Measurement Data across the K-5 grade band. It is informed both by research on children's cognitive development and by the logical structure of mathematics. The document discusses the most important goals for data collection, display, and analysis; beginning with categorical data in grades k-2 and progressing to measurement data in grades 2-5.
Reference Materials, Article
Grade Level: K, 1, 2, 3, 4, 5
In this interactive application students must sort food into three drawers; they can sort by size (large, medium, and small) shape (triangle, circle, and square), or color (red, blue, and green). Once they have sorted the food in all three ways they are provided with a new set of food to sort.
Activity, Interactive Media