What will my child learn in "Check whether an expression value is reasonable"?

Approximate some operations mentally to predict the result size. This 5th Grade Math lesson builds the skill Evaluate expressions with order of operations with a concept card and practice.

What grade level is "Check whether an expression value is reasonable" for?

"Check whether an expression value is reasonable" is a 5th Grade Math lesson in the Expressions and patterns unit, designed for students around ages 10-11.

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Sparq is a safe AI tutor that gives kid-friendly hints and explains Check whether an expression value is reasonable step by step, helping students learn without just giving away the answer.

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Check whether an expression value is reasonable

~6 min

Approximate some operations mentally to predict the result size.

Is 3 × (19 + 21) = 90 reasonable?

Choose the correct answer.