You can add or subtract numbers in lots of different ways. You can use number lines, number bonds, fact families, 10 squares and counters, or even just writing the numbers down. Sometimes it is faster ...
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 ...
A number line is a great way to add and subtract. Let’s see how our meerkat uses the number line. First up, we’ll try adding. Let’s start with 6 plus 3. Largest ...
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