how do you multiply 512 x 46?
DESCRIPTION
How do you multiply 512 x 46?. Those are really big numbers!. In this lesson you will learn how to multiply multi-digit numbers by using the standard algorithm. Product – The result when two numbers are multiplied. For Example: 4 x 5 = 20. product. Multiplication is repeated addition. - PowerPoint PPT PresentationTRANSCRIPT
![Page 1: How do you multiply 512 x 46?](https://reader030.vdocuments.us/reader030/viewer/2022012911/5681613e550346895dd0a542/html5/thumbnails/1.jpg)
How do you multiply 512 x 46?
Those are really big numbers!
![Page 2: How do you multiply 512 x 46?](https://reader030.vdocuments.us/reader030/viewer/2022012911/5681613e550346895dd0a542/html5/thumbnails/2.jpg)
In this lesson you will learn how to multiply multi-digit
numbers by using the standard algorithm.
![Page 3: How do you multiply 512 x 46?](https://reader030.vdocuments.us/reader030/viewer/2022012911/5681613e550346895dd0a542/html5/thumbnails/3.jpg)
Let’s ReviewLet’s Review
Product – The result when two numbers are multiplied.
For Example:4 x 5 = 20
product
![Page 4: How do you multiply 512 x 46?](https://reader030.vdocuments.us/reader030/viewer/2022012911/5681613e550346895dd0a542/html5/thumbnails/4.jpg)
Let’s ReviewLet’s Review
Multiplication is repeated addition.
32 + 32 + 32 + 32 + 32
32 x 5 Multiplication is faster!
![Page 5: How do you multiply 512 x 46?](https://reader030.vdocuments.us/reader030/viewer/2022012911/5681613e550346895dd0a542/html5/thumbnails/5.jpg)
Let’s ReviewLet’s Review
Multiplying by powers of 10.
36 x 10 = 36036 x 100 = 3,600
36 x 1,000 = 36,000
![Page 6: How do you multiply 512 x 46?](https://reader030.vdocuments.us/reader030/viewer/2022012911/5681613e550346895dd0a542/html5/thumbnails/6.jpg)
Let’s ReviewA Common Mistake
Multiplying each digit as if it represents a number of “ones.”
It is important to remember the place value of each digit.
36 x 5 = 30 x 5 + 6 x 5
![Page 7: How do you multiply 512 x 46?](https://reader030.vdocuments.us/reader030/viewer/2022012911/5681613e550346895dd0a542/html5/thumbnails/7.jpg)
Let’s ReviewCore Lesson
Multiply 512 x 46
512x 46
First, we need to multiply 512 by
6.
Then we need to multiply 512
by 40.
![Page 8: How do you multiply 512 x 46?](https://reader030.vdocuments.us/reader030/viewer/2022012911/5681613e550346895dd0a542/html5/thumbnails/8.jpg)
Let’s ReviewCore Lesson
512x 46
2
1
7300
Adding a zero shows that we are
multiplying by 10’s.
8420+23,552
Next, we add the partial products.
![Page 9: How do you multiply 512 x 46?](https://reader030.vdocuments.us/reader030/viewer/2022012911/5681613e550346895dd0a542/html5/thumbnails/9.jpg)
Let’s ReviewCore Lesson
405x 57
5
3
3280
Adding a zero shows that we are
multiplying by 10’s.
5220+23,085
Next, we add the partial products.
2
![Page 10: How do you multiply 512 x 46?](https://reader030.vdocuments.us/reader030/viewer/2022012911/5681613e550346895dd0a542/html5/thumbnails/10.jpg)
In this lesson you have learned how to multiply multi-digit
numbers by using the standard algorithm.
![Page 11: How do you multiply 512 x 46?](https://reader030.vdocuments.us/reader030/viewer/2022012911/5681613e550346895dd0a542/html5/thumbnails/11.jpg)
Let’s ReviewGuided Practice
Multiply 422 x 18.
![Page 12: How do you multiply 512 x 46?](https://reader030.vdocuments.us/reader030/viewer/2022012911/5681613e550346895dd0a542/html5/thumbnails/12.jpg)
Let’s ReviewExtension Activities
Write a real world problem that could be solved by using 32 x 12.
![Page 13: How do you multiply 512 x 46?](https://reader030.vdocuments.us/reader030/viewer/2022012911/5681613e550346895dd0a542/html5/thumbnails/13.jpg)
Let’s ReviewExtension Activities
Every student received 24 pencils. If there are 20 students in my class, how many pencils did we have in all?
![Page 14: How do you multiply 512 x 46?](https://reader030.vdocuments.us/reader030/viewer/2022012911/5681613e550346895dd0a542/html5/thumbnails/14.jpg)
Let’s ReviewExtension Activities
Write a multiplication equation that has a product of 3,600.
![Page 15: How do you multiply 512 x 46?](https://reader030.vdocuments.us/reader030/viewer/2022012911/5681613e550346895dd0a542/html5/thumbnails/15.jpg)
Let’s ReviewQuick Quiz
Multiply 290 x 73.
![Page 16: How do you multiply 512 x 46?](https://reader030.vdocuments.us/reader030/viewer/2022012911/5681613e550346895dd0a542/html5/thumbnails/16.jpg)
Let’s ReviewQuick Quiz
Multiply 64 x 48.