Multiplication is a fun way to make numbers bigger! When we multiply, we are adding the same number over and over again. For example, if you add three plus three, you get six. This is the same as multiplying the number three two times.
Multiplying is a faster way to add the same numbers. Instead of writing three plus three, you can write two times three, which also equals six. Here’s another example: if you add two plus two plus two plus two, you get eight. But you can also say four times two, which equals eight.
Here are some important words and symbols in multiplication:
The multiplication table, or times table, is a helpful tool for learning multiplication. For example, where the four in the left column meets the six in the top column, it shows that four times six equals 24.
What is the product of twelve times ten? If you said 120, you’re right!
Remember, any number times zero equals zero. For example, three times zero equals zero.
As you learn how to multiply, you will discover many patterns, shortcuts, and tricks to help you. Can you think of a time when multiplying numbers is better than adding numbers repeatedly?
Multiplication Scavenger Hunt: Go on a scavenger hunt around your home or classroom to find objects that come in groups. For example, look for pairs of shoes, sets of crayons, or packs of cards. Count how many groups you find and how many items are in each group. Then, use multiplication to find out the total number of items. For instance, if you find 3 pairs of shoes, you can multiply 3 (pairs) by 2 (shoes in each pair) to find the total number of shoes.
Build a Multiplication Story: Create a short story or comic strip that involves multiplication. Use characters and objects to show a multiplication problem. For example, you could write about a farmer who has 4 baskets with 5 apples in each basket. Draw pictures to show how the apples are grouped and write the multiplication sentence (4 × 5 = 20) to find out how many apples there are in total.
Multiplication Patterns: Explore patterns in multiplication by using a multiplication table. Pick a number and see what happens when you multiply it by different numbers. For example, choose the number 5 and multiply it by 1, 2, 3, and so on. Write down the products and see if you notice any patterns. Can you find a pattern in the products of multiplying by 5? Share your discoveries with a friend or family member.
Here’s a sanitized version of the provided YouTube transcript:
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Multiplication: the word “multiply” means to increase. If you multiply something, it usually gives you more. In math, multiplication means to add the same number over and over again. For example, if you add three plus three, you get six. This is the same as multiplying the number three two times.
Multiplying is a faster way to add the same numbers. You could write three plus three as two times three, which also equals six. Here’s another example: two plus two plus two plus two equals eight, or you could say four times two, which also equals eight.
In the first example, three was added to itself two times. In the second example, two was added to itself four times. You can add a number to itself repeatedly, and when you do this in math, it is called multiplication.
Here are some special words and symbols related to multiplication:
– The symbol that tells you to multiply a number with another number is “×” (times).
– The word used when you see this symbol is “times.”
For example, you would read “four times three” as follows:
– **Factors**: The numbers that you multiply together are called factors. In the problem two times five, the factors are two and five.
– **Product**: The product is the answer to a multiplication problem. For instance, six is the product of two times three because two times three equals six.
Here are some multiplication rules:
1. Any number multiplied by zero equals zero. For example, zero times five equals zero.
2. Any number multiplied by one equals the same number. For example, one times three equals three.
3. When two numbers are multiplied together, the answer (or product) is the same regardless of the order of the factors. For example, two times three equals three times two; both equal six. This is called the commutative property.
4. When three or more numbers are multiplied together, the answer (or product) is the same regardless of the grouping of the factors. For example, two times (three times four) equals (two times three) times four; both equal 24. This is called the associative property.
The most important thing to do for learning multiplication is to study the multiplication table, also known as the times table. The following shows you a multiplication table and how to use it. Notice where the four in the left column meets the six in the top column; this tells you that four times six equals 24.
Here are more examples:
– One times three equals three.
– The product of two times eight is 16.
– The product of three times five is 15.
– The product of five times two is 10.
What is the product of twelve times ten? If you said 120, you’re right!
Remember, any number times zero equals zero. For example, three times zero equals zero.
This is another way multiplication problems can be written: the product of three times seven is 21, and the product of eight times five is 40.
As you learn how to multiply, you will discover many patterns, shortcuts, and tricks to help you. Can you think of a time when multiplying numbers is better than adding numbers repeatedly?
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