Multiplying by 5 and 10!

Multiplying by 5 and 10! By: Katy Richwalski (06/01)

Audience • 3rd-4th Graders • Any Socioeconomic Level • Any Type Of Learner (Visual, Auditory, or Kinesthetic) • Students who have existing knowledge of adding numbers by grouping and counting by fives and tens

Objectives Indiana State Standards • 3.2.2 • 3.2.4 • 3.2.5 • 3.3.5

Objectives • Given the provided information in the presentation, students will answer all of the questions correctly • They will extend number patterns using multiplication • They will learn the inverse relationship between multiplication facts • After viewing the videos they will see the concept of multiplication as repeated addition • They will then show mastery of multiplication facts for 5 and 10.

Objectives • Students will be able to compute ten multiplication problems using the numbers five and ten • Given these problems in a PowerPoint presentation, they will get 100% correct using the information and tips that will be presented to them throughout the lesson

Learning Environment • At a computer • Individually • With headphones • Students will use mouse to answer questions • Encourages students to practice aloud and with hands, so students should feel comfortable speaking and stretching at their computer station

Motivation • Through the use of bright colors, eye-catching graphics, and fun videos, this presentation will motivate students to learn multiplication • There are easy instructions along with simple multiplication problems • The quiz is also very encouraging and not difficult for students to follow

Multiplying by the numbers 5 and 10!

Hello, today we are going to learn how to multiply using the numbers 5 and 10! Try really hard to pay attention because there will be a quiz at the end!

What to do… If this is your first visit, click here to learn what all of the buttons mean If you have visited before and you remember what the buttons mean, click here to continue

Buttons, Buttons, Buttons! Click to go to the menu Click to go to the next slide Click to go back one slide Click to go back to the beginning Click to exit Click to go to the quiz Click to see “Ready or Not, Here I Come!” Click to see “My Hero, Zero”

Where would you like to start? Multiply By 5 Multiply By 10 QUIZ ME!

There are many tricks and tips to use when multiplying by the numbers 5 and 10. Let’s learn how easy it is to use them! Remember, there will be a quiz! Hint: If you know how to count up by fives and tens, you’ll do just fine!

Directions • Read through the tips on every slide • Click to see an example of a problem on the next slide • Review slides as many times as you would like • Click to go to the quiz • Have fun!!!

Multiplying by 5!

Let’s Count! • Multiplying by the number 5 is just as easy as counting! If you can count up by fives, you should have no problem multiplying! • Using your fingers, count up to 100 by fives • Now say the numbers out loud as you count 5101520253035404550 556065707580859095 100

Great Job! • If you want to multiply 5 by 7, you can count up by fives seven times and you get 35 • Here is how it is done:

Watch this School House Rock video “Ready or Not, Here I Come!” to help you understand how counting up by fives is really the same thing as multiplying by the number five! CLICK HERE

Here Are Some More Examples! 5x9=45 5x3=15 Isn’t it Easy? *(Count up by fives, three times)

Multiplying by 10!

Let’s Count • If you want to multiply a number by 10, just take the number you are using and add a zero! • You can also count up by tens, like you already did with the number 5. • Let’s count up to 100 out loud by tens! 10203040506070 8090100

Great Job! • If you want to multiply 4 by 10, you can count up by tens, four times…or you could just add a zero to 4, and you get 40 • Here is an example: 10x8=80

Watch this School House Rock video “My Hero, Zero” to help you understand how adding a zero to a number is really multiplying it by 10! CLICK HERE

Here Are Some More Examples! 10x3=30 10x10=100 Isn’t This Easy?

Times Tables! • You can also multiply easily by using multiplication charts! • Just line up the two numbers you want to multiply together and you’ll get your answer!

Let’s Try It! 5 5x10= ? • Put one finger on the number 5 on the left side. Using your other hand, put one finger on the number 10 on the top of the graph. • Slide both fingers together until they meet. • Click the correct number at the top! 15 50

Oops! Remember to line up your fingers!

50! Great Job! This is so much FUN!

Let’s Try Another One! 5x3= ? 20 15 53

15! Great Job! How Easy!

Here’s Another One! 10x8= ? 800 18 80

80! Great Job! You’re Doing So Good!

Now it’s time to quiz what you know! Good luck and have fun! If you need to review, you can always go back!

Quiz Directions • Read each problem carefully • Choose the correct answer to the problem by clicking the number in the blue square • If you get one wrong, it’s okay, just try it again • Some problems will have a times table you can use! *Remember, practice makes perfect!

5x2=___ 5 10 15

Oops! 5x2=10 Remember: Let’s Try It Again!

Very Good! 5x2 does equal 10!

10x6=___ 20 70 60

Oops! 10x6=60 Remember: You can add a to 6! Let’s Try It Again!

5x8=___ 40 35 15

Oops! 5x8=40 Remember: Line up your fingers on 5 and 8 Let’s Try It Again!

10x9=___ 35 29 90

Oops! 10x9=90 Remember: You can add a to 9! Let’s Try It Again!

5x5=___ 25 27 100

Oops! 5x5=25 Remember: Let’s Try It Again!

Multiplying by 5 and 10!