Visual: Bar-Model Thinking for Every Problem
This approach makes the bar model the class’s default tool for unpicking word problems. Drawing the situation before calculating helps visual and spatial learners see which operation a problem needs.
Part-whole bars. For “equal parts” and “fraction of” problems, draw one long bar and split it. The whole sits above; the parts sit inside. Label the known and mark the unknown with a question mark.
Comparison bars. For “more than / less than” problems, draw two bars stacked. The difference shows as the extra length on the longer bar — students can see the subtraction.
Draw, then decide. Insist students draw the bar before choosing an operation. The picture usually makes the operation obvious, which builds confidence with multi-step problems.
Gallery walk. Students post their bar models around the room. The class tours them and matches each bar to the word problem it solves, discussing why the drawing fits.
Why it works. A bar model is a bridge between concrete and abstract. It externalises the structure of a problem so students reason about relationships rather than guessing which numbers to combine.