Resources and Tools for Elementary Math Specialists and Teachers

Common Core State Standards for Mathematics

Grade(s) 1 resources related to the following standard:
Geometry
Reason with shapes and their attributes.
1. Distinguish between defining attributes (e.g., triangles are closed and three-sided) versus non-defining attributes (e.g., color, orientation, overall size); build and draw shapes to possess defining attributes.

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This narrative document describes the progression of Geometry across the K-6 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 elementary geometry in three categories, namely, geometric shapes and their categories, composing and decomposing geometric shapes, and spatial relations and spatial structuring.
Reference Materials, Article
Grade Level: K, 1, 2, 3, 4, 5, 6+
Resource is part of a PD collection
0
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This interactive Java applet allows users to explore tessellations made from quadrilaterals. The user deforms a square into another quadrilateral, which then tiles the plane. The user can choose two colors for the tessellation. An information window provides data about the shape to be tiled, including: area, perimeter, coordinates for vertices, and side lengths.
Interactive Media
Grade Level: 1, 2, 3, 4, 5
0
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This iOS app is an open-ended tool for exploring a variety of mathematical topics. Learners stretch colored bands around pegs to form line segments and polygons in order to make discoveries about perimeter, area, angles, congruence, and fractions. Users can switch from a 25-peg board to an expanded 150-peg board and fill in the interior of shapes with transparent color.
Interactive Media, Mobile App
Grade Level: K, 1, 2, 3, 4, 5
0
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This page contains 20 problems in geometry from the Port Angeles School District in Washington state. Links to state GLEs and revised standards are provided. Topics covered include shape in plane and solid geometry, bilateral symmetry, and logic.
Problem Set
Grade Level: 1, 2, 3
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The activities in this four-lesson unit enable students to use their knowledge of number, measurement, and geometry to solve interesting problems. Planning and visualizing, estimating and measuring, and testing and revising are components of the ladybug activities. Students design "virtual paths" that enable a ladybug to either hide under a leaf or go through a maze. They develop navigational skills by testing their path and revising it. Two interactive Java applets (Ladybug Mazes and Hiding Ladybug, cataloged separately) support student solutions.
Interactive Media, Unit of Instruction
Grade Level: K, 1, 2
5
(1 Comments)
This document provides descriptions and examples of what each Mathematics Common Core standard means a Grade One student will know, understand and be able to do. This "unpacking" of the standards provides instructional guidelines and was developed to assist North Carolina educators teach the Mathematics Common Core (Standard Course of Study).
Reference Materials
Grade Level: 1
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This interactive Flash lesson helps students to distinguish squares and triangles and be creative in the context of Navajo rug design. The animated pages give printed and voiced instructions in English. A teacher guide (pdf) is available - see #30 at MathActive Lessons for Grades K-2, cataloged separately. Navajo, Spanish, and non-spoken versions of the lesson are available also at the Lessons page.
Activity, Interactive Media
Grade Level: K, 1
4.5
(2 Comments)
This booklet (PDF) of pattern block resources contains activities aligned to the CCSS standards for grades K-2. There are six activities in this booklet, two activities per grade level K-2. Included with each activity are the directions, list of materials, and the blackline masters for teacher and student use.
Activity, Game
Grade Level: K, 1, 2
0
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This interactive game provides practice in discriminating target shapes from others (distractors). The shapes drop from above and must be caught in a basket moved by left/right arrows. Distractors come in other shapes, sizes and colors. The animation and sound could be effective motivators for young students.
Activity, Game, Interactive Media
Grade Level: K, 1
0
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This activity gives students practice drawing straight lines with a ruler and looking for and categorizing shapes, for example, by the number of sides in polygons. The Teachers' Notes page includes suggestions for implementation, discussion questions and ideas for extension.
Activity
Grade Level: K, 1, 2
0
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