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 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 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...

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...

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...

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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.

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...

This video is a math lesson that teaches viewers about decomposing and composing numbers. The instructor explains that numbers are made up of smaller parts and demonstrates how to break down numbers into their individual units or groups...

In this video, students learn how knowing their 10s facts can help them solve multiplication problems quickly and fluently. The video demonstrates strategies for multiplying by subtracting from groups of 10. The commutative property of...

In this video, we will dive deeper into polymorphism by exploring method overloading, which defines multiple methods with the same name but different parameters. We will learn debugging techniques to troubleshoot and fix issues related...

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...

Caltech theoretical physicist and Nobel Laureate David Politzer relates how an open-back banjo is related to an ocarina.

Check out this ESL Games Video for Sanook English.

In this video, children learn about numbers by counting and comparing different groups of candies. They practice counting from 1 to 10 and learn how to determine which group has more or less candy. They also learn about the symbols for...

👉 Learn how to graph a system of inequalities. A system of inequalities is a set of inequalities which are collectively satisfied by a certain range of values for the variables. To graph a system of inequalities, each inequality making...

The formation of ten thousand numbers.

In this video, the teacher explains how to prove that a number is even in math by representing it as the sum of two equal addends. They demonstrate this concept using examples and visuals, showing that even numbers can be evenly split...

Man Raises Rhino:A heartwarming story of a farm worker forming a special bond with a rare and dangerous animal, challenging stereotypes about human-animal relationships.

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...