Meet the Math Facts Multiplication & Division – 7×12=84

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In this lesson, students learn about multiplication using the example of 7 x 12, which equals 84, illustrating that multiplication is essentially repeated addition. By counting by twelves, students can visualize the multiplication process and understand its practical applications in everyday life, such as in cooking and games. The lesson encourages practice with different multiplication problems to build confidence and mastery in the concept.
  1. What does it mean to multiply a number, like 7 x 12?
  2. Can you think of a time when multiplication might help you in real life?
  3. What happens when you count by twelves? Can you show me the numbers?

Meet the Math Facts: Multiplication & Division

Understanding Multiplication: 7 x 12

Let’s learn about a fun math fact! When you multiply seven by twelve, you get eighty-four. This is written as 7 x 12 = 84. Multiplication is like adding the same number many times. Here, we are adding twelve, seven times.

Counting by Twelves

To understand this better, let’s count by twelves:

  • 12
  • 24
  • 36
  • 48
  • 60
  • 72
  • 84

When we count by twelves, we see that the seventh number is eighty-four. That’s why 7 x 12 equals 84!

Why Multiplication is Useful

Multiplication helps us solve problems faster. Instead of adding twelve seven times, we can multiply to find the answer quickly. This is very helpful when we have big numbers or many items to count.

Practice Makes Perfect

Try practicing with other numbers. For example, what is 5 x 12? Or 8 x 12? Keep practicing, and soon you’ll be a multiplication master!

Fun Fact

Did you know that multiplication is used in many things we do every day? From cooking to playing games, multiplication helps us figure out how much we need or how many times something happens.

Keep practicing your multiplication, and you’ll find it becomes easier and more fun!

  • Can you think of a time when you used multiplication in your daily life, like when sharing snacks or toys with friends? How did it help you?
  • Imagine you have a magic wand that can multiply things. What would you like to multiply, and why?
  • When we count by twelves, we reach eighty-four at the seventh step. Can you try counting by a different number, like fives or tens, and see what patterns you notice?
  1. Multiplication Scavenger Hunt: Go on a scavenger hunt around your home or classroom to find items that come in groups. For example, look for egg cartons, packs of crayons, or sets of chairs. Count how many groups there are and how many items are in each group. Then, use multiplication to find the total number of items. For instance, if you find 3 egg cartons with 12 eggs each, calculate 3 x 12 to find out how many eggs there are in total.

  2. Draw and Color Arrays: Use paper and colored pencils to draw arrays that represent multiplication problems. For example, draw an array for 7 x 12 by making 7 rows with 12 dots in each row. Count the dots to see how multiplication works. Try creating arrays for other multiplication facts, like 5 x 12 or 8 x 12, and color them in different patterns.

  3. Story Time with Multiplication: Create a short story or comic strip where characters use multiplication in their adventures. Maybe they are baking cookies and need to multiply the ingredients, or they are organizing a party and need to figure out how many balloons to buy. Share your story with a friend or family member and explain how multiplication helped solve the problem in your story.

Here’s a sanitized version of the transcript:

[Music]
Seven times twelve equals eighty-four.
Seven times twelve equals eighty-four.
[Music]
Seven times twelve equals eighty-four.
Hmm.
[Music]
Seven times twelve equals eighty-four.
Seven times twelve equals eighty-four.
Seven twelves equals eighty-four.
One, two, three, four, five, six, seven.
Twelves equals eighty-four.
[Music]
Seven times twelve equals eighty-four.
12, 24, 36, 48, 60, 72, 84 equals 84.
[Music]
Eighty-four equals eighty-four.
Seven times twelve equals eighty-four.
[Music]
You.

This version removes any repetitive elements and maintains clarity.

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