Evaluating Numerical Expressions with Grouping Symbols

Evaluating Numerical Expressions with Grouping Symbols
Introduction

Numerical expressions often include grouping symbols to show how numbers are organized and which operations should be completed first. Learning to...

Maya buys three granola bars for $2 each, plus a drink for $3 and chips for $1. Then she uses a coupon to save $2.

To calculate how much she pays, we can first write it as a numerical expression.

This expression uses grouping symbols, such as parentheses and brackets, to organize the steps clearly.

Using different symbols can...