1 / 10

Multiplication and Division

Multiplication and Division. Fact Families. 21. 7. x. ÷. 3. Multiplication and Division problems use the same numbers. These groups of numbers are called number or fact families. They all fit together. It’s a SLAM dunk!. Once you know the numbers in the

leiko
Download Presentation

Multiplication and Division

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Multiplication and Division Fact Families

  2. 21 7 x ÷ 3 Multiplication and Division problems use the same numbers. These groups of numbers are called number or fact families They all fit together.

  3. It’s a SLAM dunk! Once you know the numbers in the number family, you’ll be able to memorize all of your multiplication and division problems!

  4. Let's Take a Look! 7 3 x 21 = 3 7 x = 21 7 3 21 ÷ = 3 7 21 ÷ =

  5. Now, you try! Use the numbers 8 and 5 Start with the number 8 8 x 5 40 = 5 x 8 40 = 40 5 ÷ 8 = 40 5 ÷ = 8

  6. First multiply 4x2 = 8 2. Next multiply 4x1 = 4 3. Last multiply 4x3 = 12 Now, let’s try some multi-digit multiplication! 312 x 4 12 , 4 8

  7. First multiply 4x4 = 16 2. Put the 6 in the ones place and carrying the 1 to the tens place. • Next multiply 4x1 = 4 and add • the 1 that was carried. 4+1 = 5 4. Last multiply 4x4 = 16 Let’s try more! 1 414 x 4 16 , 5 6

  8. 1. First multiply 8x7 = 56 2. Put the 6 in the ones place and carrying the 5 to the tens place. 5. Last multiply 8x5 = 40 and add the 3 that was carried. 40+3 = 43 3. Next multiply 8x4 = 32 and add the 5 that was carried. 32+5 = 37 4. Put the 7 in the tens place and carrying the 3 to the hundreds place. Are you ready for one more? 3 5 547 x 8 , 43 7 6

  9. Let’s Practice! Solve these problems on a piece of paper. 698 x 7 345 x 6 Click to see answers

  10. Answers 2 3 6 5 698 x 7 345 x 6 2,070 4,886

More Related