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### Overview

This digital tool explains the order of operations when solving a number sentence with more than one operation. This tool has a song to help students remember the order of operations. This digital tool takes the students step by step in solving a number sentence with more than one operations.

## UP:MA19.3.8

### Vocabulary

• Unknown quantity
• Mental computation
• Estimation
• Variable
• Reasonableness
• Rounding
• Expression
• Equation

### Knowledge

Students know:
• Characteristics of addition, subtraction, multiplication, and division.
• Strategies for addition, subtraction, multiplication, and division.
• Strategies for mental computation and estimating sums, differences, products, and quotients.

### Skills

Students are able to:
• Use a variety of strategies to solve two-step word problems involving all four operations.
• Write an equation to represent the problem context, and use a symbol for the unknown quantity.
• Justify strategy and solutions using mathematical vocabulary.
• Determine and justify reasonableness of solutions using mental computation strategies and estimation strategies.

### Understanding

Students understand that:
• Mathematical problems can be solved using a variety of strategies, models, and representations.
• Contextual situations represented by multiplication and division.
• Reasonableness of solutions can be evaluated by using estimation strategies.

### Phase

Before/Engage
Learning Objectives

### Learning Objectives

The student(s) will able to use the order of operations to solve a number sentence that involves more than one operation.

### Activity Details

The student(s) will listen to the karaoke song that teaches the order of operations.

The student(s) will view the step by step process and work out the problem using the order of operations to solve the number sentence.

The student(s) will able to demonstrate their understanding of the correct use of the order of operations to solve a number sentence that involves more than one operation by completing the Test Yourself option in the digital tool.

Assessment Strategies

### Assessment Strategies

The teacher can use observation to determine student progress on guided practice and performance on the test that is provided.

### Background / Preparation

The teacher will introduce ways to solve single-step number sentences.