Illustrative Math Alignment: Grade 8 Unit 2

Topic

Adding Decimals

Description

This example demonstrates the addition of 0.3 and 0.8 using a number line and a place value chart. Students are guided to add the digits in the tenths place, resulting in 1.1. The process illustrates regrouping by putting 1 in the tenths place and carrying 1 to the ones place.

Topic

Adding Decimals

Description

This example showcases the addition of 0.2 and 0.9 using a number line from 0 to 20. Students are guided to add the digits in the tenths place, then regroup by carrying 1 to the ones place, resulting in a sum of 1.1. The visual representation helps reinforce the concept of regrouping in decimal addition.

Topic

Adding Decimals

Topic

Adding Decimals

Description

This example illustrates the addition of two decimals, 0.728 and 0.476, with the numbers aligned by the decimal point and carries shown above the columns. It demonstrates the process of adding decimals with three decimal places, emphasizing the importance of proper alignment and carrying over when necessary.

Topic

Adding Decimals

Description

The image shows an example of adding two decimals, 2.125 and 4.386, using column addition. The numbers are aligned by the decimal point, and carries are indicated above the columns. This example demonstrates the process of adding decimals with different whole number parts and three decimal places, reinforcing place value concepts and the importance of proper alignment.

Topic

Adding Decimals

Description

The image displays an example of adding decimals, specifically 5.747 and 3.529, using column addition with decimal alignment and carries above the columns. This example showcases the process of adding decimals with different whole number parts and three decimal places, emphasizing the importance of proper alignment and carrying over when necessary.

Topic

Adding Decimals

Description

This example showcases the addition of 0.7 and 0.5 using column addition, demonstrating the process of carrying over when the sum in the tenths column exceeds 10. The problem highlights the importance of proper decimal point alignment and introduces the concept of regrouping in decimal addition.

Topic

Adding Decimals

Description

This example illustrates the addition of 1.2 and 1.5 using column addition, emphasizing the importance of properly aligning decimal points. The problem demonstrates how to add numbers with different decimal places, reinforcing the concept that the decimal point acts as a placeholder for place value in fractional parts.

Topic

Adding Decimals

Description

This example demonstrates the addition of 1.6 and 1.7 using column addition. It emphasizes the crucial steps of aligning the decimal points and carrying over when needed. The problem showcases how to handle addition when the sum in a column exceeds 9, requiring regrouping to the next place value.

Topic

Adding Decimals

Description

This example illustrates the addition of 0.27 and 0.54 using column addition. It emphasizes the importance of aligning decimal points and demonstrates how to add numbers with two decimal places. The problem showcases the process of adding tenths and hundredths, reinforcing place value concepts in decimal addition.

Topic

Adding Decimals

Description

This example demonstrates the addition of 0.86 and 0.79 using column addition. It highlights the process of aligning decimal points and carrying over when needed. The problem showcases how to handle addition when the sum in the hundredths column exceeds 9, requiring regrouping to the tenths place.

Topic

Adding Decimals

Description

This example illustrates the addition of 1.23 and 2.39 using column addition. It emphasizes the importance of aligning decimal points and demonstrates how to add numbers with different whole number parts and two decimal places. The problem showcases the process of adding ones, tenths, and hundredths, reinforcing place value concepts in decimal addition.

Topic

Adding Decimals

Description

This example demonstrates the addition of 1.78 and 4.82 using column addition. It highlights the process of aligning decimal points and carrying over when needed. The problem showcases how to handle addition when the sum in both the hundredths and tenths columns exceeds 9, requiring multiple instances of regrouping.

Topic

Adding Decimals

Description

This example illustrates the addition of 0.135 and 0.376 using column addition. It emphasizes the importance of aligning decimal points and demonstrates how to add numbers with three decimal places. The problem showcases the process of adding tenths, hundredths, and thousandths, further reinforcing place value concepts in decimal addition.

This is part of a collection of math examples that focus on decimal properties and operations.

This is part of a collection of math examples that focus on decimal properties and operations.

This is part of a collection of math examples that focus on decimal properties and operations.

This is part of a collection of math examples that focus on decimal properties and operations.

This is part of a collection of math examples that focus on decimal properties and operations.

This is part of a collection of math examples that focus on decimal properties and operations.

This is part of a collection of math examples that focus on decimal properties and operations.

This is part of a collection of math examples that focus on decimal properties and operations.

Topic

Fraction Operations

Topic

Fraction Operations

Topic

Fraction Operations

Topic

Fraction Operations

Topic

Fraction Operations

Topic

Fraction Operations

Topic

Fraction Operations

Topic

Fraction Operations

Topic

Fraction Operations

Topic

Fraction Operations

Topic

Fraction Operations

Topic

Fraction Operations

Topic

Fraction Operations

Topic

Fraction Operations

Topic

Fraction Operations

Topic

Fraction Operations

Topic

Fraction Operations

Topic

Fraction Operations

Topic

Fraction Operations

Topic

Fraction Operations

In this set of math examples, see how slope is calculated for a staircase based on measures for the rise and the run.

This Teacher's Guide provides an overview of the 32 worked-out examples that show how to find the equation of a line parallel or perpendicular to a given line and through a given point.

Related Resources

To see resources related to this topic click on the Related Resources tab above.

This Teacher's Guide provides an overview of the 21 worked-out examples that show how to use the Slope Formula.

Related Resources

To see resources related to this topic click on the Related Resources tab above.

The complete set of 21 examples that make up this set of tutorials. NOTE: The download is a PPT file.

Media4Math's Decimal Models simulation allows students to explore properties of decimals by specifying the ones place and the tenths place. Digital decimal models are used to provide a concrete representation of the decimal.

This is part of a collection of math quizzes on the topic of the Slope Formula.

Related Resources

Quiz Library

ary">click on this link.

This is part of a collection of math quizzes on the topic of the Slope Formula.

Related Resources

Quiz Library

ary">click on this link.

This is part of a collection of math quizzes on the topic of the Slope Formula.

Related Resources

Quiz Library

ary">click on this link.