Content atlas · skill

Use parentheses, brackets, and braces in numerical expressions

The learner can use parentheses, brackets, and braces in numerical expressions. This capability is distinct from mere exposure to or isolated use of four operations.

2 published problems

1. Jules's Nested Workshop Note — Build one Workshop story into larger and larger numerical equations, then repair an almost-right expression.
2. Make the Calculation Plan Visible — Students evaluate a plain expression, then make one version that follows a calculation plan by inserting one pair each of parentheses, brackets, and braces.