# Math

Math (X) - Primary (X) - Professional (X) - PBST (X)

## Geometry and Spatial Relations: It's a Perfect Fit (Part 2)

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In this resource group, teachers can focus on the topic of geometry and spatial relations by having students identify and describe numerical relationships found among pattern block shapes. Students learn to join pattern block pieces together to cover a region. This resource group is part of the Mathline Elementary School Math Project.

## Number Sense and Computation: An Apple a Day

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Using this resource group, teachers can focus on the topic of number sense and computation by having students make estimates to analyze the number of apples per acre. Students learn to take samples and use benchmarks to make reasonable estimates. This resource group is part of the Mathline Elementary School Math Project.

## Geometry and Spatial Relations: It's a Perfect Fit (Part 1)

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Using this resource group, teachers can focus on the topic of geometry and spatial relations and, in particular, on identifying, describing, and classifying two-dimensional shapes. Students are challenged to duplicate two-dimensional shapes and sort a collection of shapes according to their attributes. This resource group is part of the Mathline Elementary School Math Project.

## Number Sense and Computation: To Half or Half Not

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In this professional development video, teachers can focus on the topic of number sense and computation by creating equivalent fractions that represent one-half through the use of geoblocks. This video can be used in conjunction with the To Half or Half Not Lesson Plan.

## Patterns and Relationships: The Magic Box

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Using this resource group, teachers can focus on the topic of patterns and relationships. Students learn to recognize, describe, create and extend repeating and arithmetic patterns. This resource group is part of the Mathline Elementary School Math Project.

## Geometry and Spatial Relations: It's a Perfect Fit (Part 3)

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In this professional development video, teachers focus on the topic of geometry and spatial relations by combining geoblocks to make three-dimensional shapes. This video can be used in conjunction with the "It's a Perfect Fit (Part 3)" lesson plan, as well as the "It's a Perfect Fit (Part 1 and Part 2)" videos and lesson plans.

## Statistics: Creatures Features

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Using this resource group, teachers can focus on the topic of statistics. Students research and classify animals of the temperate forest; make a circle graph; collect, display (using a bar graph or line plot), interpret, and analyze a set of data. This resource group is part of the Mathline Elementary School Math Project.

## Geometry: Tiling the Plaza

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In this professional development video, teachers focus on the topic of geometry by having students arrange pattern blocks to create tessellations and explore geometric patterns. This video can be used in conjunction with the Tiling the Plaza lesson plan.

## Patterns and Relationships: Peddling Petals

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Using this resource group, teachers can focus on the topic of patterns and relationships by having students create, extend, and describe arithmetic patterns found in floral table designs. This resource group is part of the Mathline Elementary School Math Project.

## Probability: Chances Are (Part 3)

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In this professional development video, teachers focus on the topic of probability by identifying the likelihood of an event based on a set of data relating to mystery spinners. This video can be used in conjunction with the Chances Are (Part 3) lesson plan, as well as the Chances Are parts 1 and 2 videos and lesson plans.

## Probability: Chances Are (Part 1)

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Using this resource group, teachers can focus on the topic of probability by having students identify the likelihood of an event using a walk-on probability scale. Students learn to describe events that are certain, impossible, likely, and unlikely to occur. This resource group is part of the Mathline Elementary School Math Project.

## Measurement: It Takes Ten

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In this professional development video, teachers focus on the topic of measurement by having students estimate and measure in a variety of lab experiments. This video can be used in conjunction with the It Takes Ten lesson plan.

## Measurement: Bubble Mania

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In this professional development video, teachers focus on the topic of measurement by having students measure the diameter, circumference, and area of circles made by a bubble print. This video can be used in conjunction with the Bubble Mania lesson plan.