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

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



Mr. R.'s math music video about adding 1 + 1
if youtube is blocked, watch it here double numbers 1 + 1

Use this song to help teach double number fact 1 + 1

 

 

 

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