For decades, teachers drilled American school children using flash cards that gave simple arithmetic problems. The advent of inexpensive electronic calculators in the 1970s made it possible to do much ...
TikTok users are sharing an addition problem that seems easy enough at first glance, but people’s mental arithmetic skills get tripped up by the same part of it. All you have to do is add up the ...
Students put all their addition and subtraction skills together to solve equations. In this lesson, students put all their addition and subtraction skills together to solve equations. Julia begins ...
Teachers can use these tools to promote discussions and help students move from concrete to abstract understanding of concepts.
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