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K–2 Diagnostic Assessments

This resource provides two types of diagnostic tools available to K–2 math teachers: a rapid assessment tool and a flexible interview assessment.

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8.02 Confidence Interval for One Mean

In this video, students will learn to construct a confidence interval for a population mean.

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8.03 Visualizing a Confidence Interval

In this video, students will learn to visualize the construction of a confidence interval.

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8.04 Interpreting Confidence Intervals

In this video, students will learn to interpret a confidence interval.

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8.05 Confidence Interval for One Proportion

In this video, students will learn to construct and interpret a confidence interval for one proportion.

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8.06 Factors Affecting the Width of a Confidence Interval

In this video, students will explore how the components of a confidence interval affect its width.

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8.07 Confidence Intervals in the Real World

In this video, students will analyze confidence intervals in the real world.

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7.01 Variability in Sample Proportions, Part 1

In this video, students describe and model variability using a binary population distribution and the sampling distribution of a sample proportion.

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7.02 Variability in Sample Proportions, Part 2

In this video, students learn to describe and model variability using a binary population distribution, and the sampling distribution of a sample proportion.

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7.03 Variability in Sample Means

In this video, students describe and model variability using a continuous population distribution, and the sampling distribution of a sample mean.

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7.04 Using the Central Limit Theorem

In this video, students use the central limit theorem to describe variability using a sample mean.

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9.01 Steps of Hypothesis Testing

In this video, students will learn the steps of hypothesis testing and how to interpret its results.

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9.02 Hypothesis Test for One Mean, Part 1

In this video, students will learn how to perform a hypothesis test for one mean.

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9.03 Hypothesis Test for One Mean, Part 2

In this video, students will learn how to perform a hypothesis test for one mean and interpret its results.

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9.04 Statistical Significance vs Practical Significance

In this video, students will learn the difference between statistical significance and practical significance.

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9.05 Hypothesis Test for One Proportion, Part 1

In this video, students will learn how to perform a hypothesis test for one proportion.

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9.06 Hypothesis Test for One Proportion, Part 2

In this video, students will learn how to perform and interpret a hypothesis test for one proportion.

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9.07 Type I and Type II Errors

In this video, students will learn about the potential impact of Type I and Type II errors.

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3.01 Distance and Displacement

In this video, we explore the difference between distance traveled (an example of a scalar) and displacement (an example of a vector), and we review some basic vector math.

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3.02 Average Speed and Average Velocity

In this video, we explore the difference between speed and velocity, and their relationship to distance and displacement.