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MathMentor

Learn with Mentor · 7 min

Base Plans

Read row-by-row base plans for stacks of unit cubes and add every height to find the total number of cubes.

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Heights in rows

A base plan tells you how many unit cubes are stacked at each position. In these questions, the plan is written as rows of numbers, such as Row 1: 3, 6, 4, 3 and Row 2: 6, 2, 4, 5.