Featured titleMath

Multiplication concept

Math

This is the very first lesson in learning the concept of multiplication. When we have groups of the same size, we can write a multiplication. For example, 3 x 6 refers to three groups of six. Find more 3rd grade math videos Math Mammoth 3rd grade curriculum

Year

2024

Duration

51m

IMDb

0

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Comments

10 Comments

@TIMA Robinson 🍓🥰Oct 22, 2025

In this lesson we study the order of operations - but only with a limited set of operations. The math problems (expressions) in the lesson may include parenthesis, multiplication, addition & subtraction, but no division or other operations. This is because students are studying this after they have learned multiplication, but not yet division, in 3rd grade. The reason I like teaching the order of operations in the early grades is so that students get exposed AND get to practice WRITING expressions (we call them "math sentences") with several operations - and thus they get used to problems the involve more than one operation. Too many times, math books focus on word problems and questions with only one operation, in grades 1-3. As a result, children often don't learn to solve word problems that require more than one operation.

AG BabyOct 22, 2025

In this lesson we study the order of operations - but only with a limited set of operations. The math problems (expressions) in the lesson may include parenthesis, multiplication, addition & subtraction, but no division or other operations. This is because students are studying this after they have learned multiplication, but not yet division, in 3rd grade. The reason I like teaching the order of operations in the early grades is so that students get exposed AND get to practice WRITING expressions (we call them "math sentences") with several operations - and thus they get used to problems the involve more than one operation. Too many times, math books focus on word problems and questions with only one operation, in grades 1-3. As a result, children often don't learn to solve word problems that require more than one operation.

binodofficialOct 22, 2025

When we arrange things neatly in rows and columns, it's super easy to see that we can group them in two different ways, and get the SAME answer. In other words, we can multiply in two different "ways", or in either order, but the answer is the same: multiplication is commutative. This also affects how you THINK about multiplication problems. Which is easier (if you're solving it by repeated addition): 4 x 10 or 10 x 4? Clearly to think of it as four groups of 10 is easier (quicker to add).

Soyab patelOct 22, 2025

When we arrange things neatly in rows and columns, it's super easy to see that we can group them in two different ways, and get the SAME answer. In other words, we can multiply in two different "ways", or in either order, but the answer is the same: multiplication is commutative. This also affects how you THINK about multiplication problems. Which is easier (if you're solving it by repeated addition): 4 x 10 or 10 x 4? Clearly to think of it as four groups of 10 is easier (quicker to add).

user9926591043830Oct 22, 2025

We continue looking at simple situations where multiplication is useful, such as the total cost of so many items, or a group of objects arranged in an array. Sometimes the question is not given but we need to figure out WHAT could be solved or found out. Sometimes what the question is asking is NOT the total but one of the factors. This helps children become better problem solvers, because they cannot rely on mechanically multiplying the two numbers given in the problem. See more 3rd grade math videos at

HeavytripOct 22, 2025

We continue looking at simple situations where multiplication is useful, such as the total cost of so many items, or a group of objects arranged in an array. Sometimes the question is not given but we need to figure out WHAT could be solved or found out. Sometimes what the question is asking is NOT the total but one of the factors. This helps children become better problem solvers, because they cannot rely on mechanically multiplying the two numbers given in the problem. See more 3rd grade math videos at

user619019Oct 22, 2025

We focus on how zero works in multiplication. For example, 4 x 0 means four groups of zero... which totals nothing, a big fat zero! The same happens with 0 x 9, or zero groups of 9. We review how 1 works, also. Mathy my mascot would rather study number 9 though, so he has to insert a problem... can you solve 9 x 9? :) More third grade math videos: Math Mammoth Grade 3 curriculum: Interactive multiplication chart - fully customizable for students to fill in partially or completely:

👑YASSINE FAOUZI👑Oct 22, 2025

We focus on how zero works in multiplication. For example, 4 x 0 means four groups of zero... which totals nothing, a big fat zero! The same happens with 0 x 9, or zero groups of 9. We review how 1 works, also. Mathy my mascot would rather study number 9 though, so he has to insert a problem... can you solve 9 x 9? :) More third grade math videos: Math Mammoth Grade 3 curriculum: Interactive multiplication chart - fully customizable for students to fill in partially or completely:

Iam_molaminOct 22, 2025

We look at several simple word problems that involve MULTIPLICATION. Often, the word "each" implies we need to use multiplication. Some of the word problems involve addition, too, so don't get fooled! This video is meant for 2nd or 3rd grade - for children who are just beginning to understand and study multiplication. Find more 3rd grade math videos at

Nikhil SarkarOct 22, 2025

We look at several simple word problems that involve MULTIPLICATION. Often, the word "each" implies we need to use multiplication. Some of the word problems involve addition, too, so don't get fooled! This video is meant for 2nd or 3rd grade - for children who are just beginning to understand and study multiplication. Find more 3rd grade math videos at