Reports of a fireball streaking through the sky are never a good sign after losing contact with a rocket.

Video: Equal Groups (Repeated Addition Using Arrays)

Grade Levels: 2nd Grade - 3rd

Grade

For 2nd Grade, using repeated addition to find the number of objects in an array sets the foundation for...

The video discusses how to use graphs to find solutions for systems of equations, both linear and quadratic. The speaker explains how to plot the equations onto graph paper and identify the point of intersection as the solution. They...

In this video, students learn how to represent equal groups using arrays. We explain the concept of equal groups and demonstrates how to use multiplication equations and arrays to visually organize and represent these groups. Through...

In this lesson, students will learn how to solve word problems by visualizing equal groups. By understanding the concept of equal groups and knowing how to identify the number of groups, the amount in each group, and the total, students...

In this video, students learn how to represent equal groups using multiplication. The teacher explains the concept of equality and demonstrates how to write equations to show equal groups. Through examples of softballs in boxes and...

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In this video, the teacher explains how to write multiplication expressions to represent illustrations by counting equal groups and objects in each group. The students learn to identify equal groups and use multiplication to find the...

The video is a math lesson that teaches students how to solve word problems related to equal groupings by listing factor pairs. The example problems given involve creating treat bags with equal amounts of mints or gum, and the video...

In this video, students learn how to model situations using multiplication equations. They are introduced to the concept of equal groups and arrays, and how they can represent multiplication expressions.

The video is a lecture discussing agricultural and commodity markets with a focus on applying the principles of supply and demand to these industries. The speaker defines key terms and explains the analytical process of establishing...

In this video, the teacher explains how to solve equal groups problems by drawing an array. They demonstrate how to determine the number of items in each row or column and how to find the total number of items in all.

English ESL teachers and ESL students will love our ESL Body Parts Game. This is Part 2. Teachers or parents can make this into a fun guessing game if they choose. There are 10 body parts all below the shoulders. You can see our...

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In this video, students learn how to solve equal groups word problems by drawing a bar model. The video provides step-by-step examples of how to use the bar model to solve problems involving equal groups, such as dividing books evenly...

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In this video, students learn how to determine if a number is even or odd by forming equal groups and partnerships. The teacher uses visual examples and a number line to illustrate the concept. Students also learn to recognize the...

In this lesson, students will learn how to compare lengths by creating equal groups. They will use real objects and pictures to measure lengths, understanding the importance of lining up the beginning and end of each object. Through...

In this video, we explain how to interpret function notation by looking at the language of F of X. We clarify two common misconceptions about function notation and demonstrate how it is used to identify relationships between variables in...

In this video, students learn how to solve division problems by subtracting equal groups. The teacher explains the concept of division as repeated subtraction and demonstrates how to use this strategy to find the quotient.

This video demonstrates this concept using models and a number line, showing how to determine the product of two integers when one factor is positive and the other is negative. The video provides clear explanations and examples to help...

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