Addition & subtraction strategies to solve two-digit equations using an open number line. In this lesson, students go over using different addition and subtraction strategies to solve two-digit ...
Newborn babies seem to have a rudimentary sense of numbers, preferring smaller numbers on the left and larger ones on the right. The finding suggests that this left-to-right mental number line might ...
Students go over using number lines to solve the four equations in a fact family. In this lesson, students go over using number lines to solve the four equations in a fact family. Julia uses charts, ...
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