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# Unit Overview: Accuracy and estimation

## Lessons:

8 lessons

### Rounding numbers using a number line

In this lesson, we will learn how to use a number line to decide when to round up or down.

• 1 Quiz
• 23m Video
• Presentation(PPT)
• Worksheet
• Transcript

### Rounding from a calculator: Approximating

In this lesson, we will learn about approximation and how to use that to approximate answers to calculations.

• 2 Quizzes
• 20m Video
• Presentation(PPT)
• Worksheet
• Transcript

### Rounding to significant figures (Part 1)

In this lesson, we will be introduced to significant figures and understand the concept of degrees of accuracy. We will also learn how to round whole numbers to a given significant figure.

• 2 Quizzes
• 21m Video
• Presentation(PPT)
• Worksheet
• Transcript

### Rounding to significant figures (Part 2)

In this lesson, we will learn how to round decimal numbers to a given significant figure.

• 2 Quizzes
• 23m Video
• Presentation(PPT)
• Worksheet
• Transcript

### Rounding and Range

In this lesson, we will learn about range when it comes to rounding numbers. We will investigate what range a number could be in based upon how it was rounded.

• 2 Quizzes
• 14m Video
• Presentation(PPT)
• Worksheet
• Transcript

### Upper and Lower Bound

In this lesson, we will learn what upper and lower bound mean and how this links with range.

• 2 Quizzes
• 16m Video
• Presentation(PPT)
• Worksheet
• Transcript

### Solving Problems with Rounding

In this lesson, we will learn how to solve problems working with lower and upper bounds to find maximum and minimum values.

• 2 Quizzes
• 20m Video
• Presentation(PPT)
• Worksheet
• Transcript

### Estimation

In this lesson, we will learn how to estimate and solve problems using estimation.

• 2 Quizzes
• 8m Video
• Presentation(PPT)
• Worksheet
• Transcript