About This Lesson
Find the missing number in the triangle adding up to 20 or under. (Differentiated; 1st grade).
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Find the missing number in the triangle adding up to 20 or under. (Differentiated; 1st grade).
Exactly what I needed for tomorrow coming in from a late meeting! You are a lifesaver...
fantastic. This has just saved me hurs drawing out my own. thank you.