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...

Pupil outcome: I can explain the relationship between repeated addition of unit fractions and multiplication of fractions. Key learning points: - Multiplication can be represented as repeated addition - Multiplication can be represented...

Pupil outcome: I can represent equal groups as repeated addition and multiplication. Key learning points: - Repeated addition can be written as a multiplication. - The x symbol represents times. - 3 groups of 5 can be represented as 5 +...

In this lesson, students will learn how to multiply fractions by a whole number using repeated addition. The teacher explains the concept of fractions as parts of a whole or a set, and demonstrates how to multiply fractions by adding the...

👉Learn how to solve a system of linear equations from a word problem. A system of equations is a set of more than one equations which are to be solved simultaneously. A word problem is a real world simulation of a mathematical concept....

Exponentiation is shorthand for repeated multiplication, just like multiplication is shorthand for repeated addition. Multiplied or divided exponential terms with like bases can be combined by adding or subtracting their exponents.

Sara and Lilly went to buy candy. Sara bought 1 bag of candy and when she opened it she found 5 pieces inside, while Lilly bought 3 times as many candy as Sara. How many pieces of candy does Lilly have?

The School cafeteria had 7 water bottles remaining from yesterday. Today, they got 5 additional cases of water bottles and each case contains 12 bottles. How many bottles does the cafeteria have altogether?

In this video, students learn how to interpret multiplication as scaling by using visual models. The example of Gary's flashlight shining three times farther than mine is used to demonstrate how multiplication can represent the...

Pupil outcome: I can represent multiplication of an improper fraction using multiplication and repeated addition. Key learning points: - Multiplication can be represented as repeated addition - Multiplication can be represented as...

Pupil outcome: I can explain that decimal numbers with tenths can be represented as multiplication. Key learning points: - A number of tenths can be represented as repeated addition and multiplication. - Decimal numbers (tenths) greater...

This video covers:

- How the carbon carbon double bond allows alkenes to form addition poly
mers
- How to write reactions for polym
erisation
- How to draw the monomers, polymers an
d repeat units
- The...

Welcome to our comprehensive series of Advanced High School Mathematics Tutorials! This series is perfect for students, teachers, and anyone looking to deepen their understanding of higher-level mathematics. Each video breaks down...

In this video, the teacher explains arithmetic sequences, how to identify them, and how to write them as functions. The lesson covers how to find the common difference, additional terms, and how to graph and write the equation of an...

The enigmatic equation e^{pi i} = -1 is usually explained using Taylor's formula during a calculus class. This video offers a different perspective, which involves thinking about numbers as actions, and about e^x as something which turns...

The enigmatic equation e^{pi i} = -1 is usually explained using Taylor's formula during a calculus class. This video offers a different perspective, which involves thinking about numbers as actions, and about e^x as something which...

Sara needs school supplies. She needs 5 notebooks, 4 folders and 1 pencil case. A pencil case costs 6 dollars, while a folder costs 5 dollars and a notebook costs 2 dollars. How much money does she need to buy all the supplies?

In this lesson, mathematicians will learn how to solve multiplication problems using the area model. By representing multiplication as an array with rows and columns, students can visualize the concept of area and apply it to solve...

👉 Learn how to divide polynomials by quadratic divisors using the long division algorithm. Before dividing a polynomial, it is usually important to arrange the divisor in the descending order of powers of the variable(s). To divide a...

In this lecture video, the speaker goes in-depth on trigonometric transformations, discussing how to define the period of trigonometric graphs and how to transform those graphs. They start with a recap of the unit circle and trig graphs...

A video entitled “Create Multiplication Problems” models how to use real-world examples to create multiplication problems.

In this video lesson, I will define and explain exponential equations. Students will learn to distinguish between linear and exponential equations. Reviewing that a linear function has a pattern of repeated addition, and an exponential...

Welcome to our comprehensive series of Advanced High School Mathematics Tutorials! This series is perfect for students, teachers, and anyone looking to deepen their understanding of higher-level mathematics. Each video breaks down...

Welcome to our complete high school mathematics tutorial series! Whether you’re a student preparing for exams, a teacher seeking additional resources, or a parent helping your child succeed in math, these videos cover a wide range of...