math and science education search Mr. R.'s world of math and science free and accessible educational resources for all

Mr. R.'s place value song (thousands)
if youtube is blocked, watch it here place value song

Have students sing along with the comma song!
Strategies for understanding place value,
and the use of a comma to help make reading numbers easy!


Watch the comma song!
mr. r.'s comma song for numbers

if youtube is blocked, watch it here:
comma song!


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