Mathematics

Organizational and Self-Advocacy Strategies

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Listen to math and special needs teachers discuss the strategies geared toward teaching students organizational skills. Learn how to promote self advocacy among special needs students (such as asking for help when needed).

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.

Confidence Intervals | Against All Odds: Unit 24

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Learn how a battery manufacturer uses confidence intervals in this 10-minute video from the Against All Odds statistics series. Host Pardis Sabeti leads students through the steps of using margin of error and point estimate to determine confidence intervals in a real-world application. On-screen graphics and equations demonstrate the math used to determine standard deviation from a sample size.

Sampling Distributions | Against All Odds: Unit 22

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Discover how taking multiple samples allows statisticians to visualize the sampling distribution of the sample mean in this video from Against All Odds. Host Pardis Sabeti uses real-world examples to show how to calculate the sample mean from population samples and sampling distributions.

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.

Perfect Picnic with a Pig - Peg + Cat | PBS KIDS Lab

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Use this video to help children compare the sizes of animals, and match them with objects of similar size. Peg, Cat, and their friends on the farm sing a song.

Utiliza este juego para ayudar a niños a comparar los tamaños de los animales , y relacionarlos con objetos de tamaño similar. Peg, Cat , y sus amigos en la granja cantan una canción.

Comparing Two Means | Against All Odds: Unit 27

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Comparing the activity and calorie expenditure levels of Western office workers and African hunter gatherers adds some surprising new data to the science of obesity in this video from the Against All Odds statistics series. Host Pardis Sabeti leads students through a real-world example that compares two means.

Measurement and Geometry | Angles: Complementary and Supplementary

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Understanding complementary and supplementary angles will help you solve for an unknown angle measurement. If the measure of two angles added together equals 90o, the angles are complementary. A supplementary angle is formed when the sum of the measures of two angles equals 180o.

These resources are part of KET's Measurement and Geometry collection.

This video segment originally appeared in KET’s GED Connection series.

This video is available in both English and Spanish audio, along with corresponding closed captions.

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.

Explore with a Friend (Odd Squad) | Teaching Tips

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A 1st grade teacher creates three learning centers in the classroom and groups her students around specific measurement tasks. Working in small groups, children move between the learning centers to play the “Blob Chase” game, read books, and measure the distance between points using nonstandard measuring tools.