Jack’s Marbles 4 th Grade Mathematics Middle Childhood Mathematics and Language Arts (4-9) Sierra Herold Click to Begin!

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Presentation transcript:

Jack’s Marbles 4 th Grade Mathematics Middle Childhood Mathematics and Language Arts (4-9) Sierra Herold Click to Begin!

Multiplying Simplifies addition and saves time! Process of calculating the total number that is added together a certain amount of times The answer to a multiplication problem is called a product. Example: 3 5 means adding 3 together 5 times OR So Next

Multiply One Digit Numbers 1.Multiply the two numbers together 2.Align you product in a column under the line Next

Multiply Two Digit Numbers 1.Begin the problem by multiplying the bottom number on the right side with the top number on the right side. (Ex: 6 x 5= 30) 2.Align the product under the ones digit and regroup if necessary. 3.Multiply the bottom number of the right side with the top number on the left side. (Ex: 6 x 1= 6) 4.Add any regrouping from step 2 to your number. (Ex: 6 + 3= 9) 5.Align the number under the line in the tens digit Step 1 Step 2 Step 3 Step 4 Step 5 Click to Begin Quiz!

Question

Incorrect Double check your work! Remember 7 x 3 is the same as adding 7 together 3 times. Try Again!

Correct! Great Job! 7 x 3 = 21 Next

Question

Incorrect Double check your work! Remember 17 x 8 is the same as adding 17 together 8 times. Try Again!

Correct! Great Job! 17 x 8 = 136 Next

Question 3 Jack has 8 marbles in each box. How many marbles are in 6 boxes?

Incorrect Double check your work! Remember having 6 boxes with 8 marbles in each box is the same as 8 x 6. Try Again!

Correct! Great Job! 8 x 6 = 48 Play Again! Next

Conclusion Throughout this PowerPoint you have learned how to multiply one digit numbers and two digit numbers. For one digit numbers you multiply the numbers together. For two digit numbers you multiply the bottom number by the top right number then the top left number. Your answer, the product, is aligned under the line in the corresponding column. Next

References heets/Word%20Problems/Easy_Multiplicati on_Word_Problems_V2.html heets/Word%20Problems/Easy_Multiplicati on_Word_Problems_V2.html MW031.PDF MW031.PDF Back to Beginning