The Tens Times Tables

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If you've finished the 0's and 1's, here are the ones left to learn:

Here's what the tens times tables look like on the times tables chart.

What do you notice about the tens times tables?

Here are several videos about the tens times tables. You might choose one of the first 3, but be sure to watch the "Adding a Zero" one.

On Repl.it these are relative links and their relatives aren't here (I'm not going to upload all those videos).

• Tens Times Tables
  1.  Tens as groups video I will explore making the PPTS into HTML so that the user clicks to keep going and ... it's interactive... if I can find the time...
     • Powerpoint
  2. On the number line
     • PowerPoint
  3. On the Number Chart
     • Powerpoint
  4. Adding a Zero
     • Powerpoint
  5. Quiz (no pictures) 
  6. Quiz -- problems with random numbers.   
  7. Tens Quiz;   with pictures
  8. Future:   Dividing by ten / Finding 10 percent  
• There will be more quizzes with different kinds of practice.