There are 20 creatures altogether. We can use a part-whole model to show the two groups and the total of 20. We can use a part-whole model to show the two groups and the total of 20. We can use a bar ...
Practice adding and subtracting within 20 using a Double 10-frame & number line. Represent a teen number using a number bond to solve a Mystery Math Mistake. Use Notice and Wonder with a marble game ...
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