We have begun our fractions unit, and one of the first skills we are learning about is how to decompose a fraction. Until recently, “decompose” was a word that I applied to science–not math! “Decompose” means to break down or break apart into smaller parts, and I’ve learned that we can apply that word in math, too! Parents–we did learn this in school, BUT–we just didn’t use the same vocabulary. Below are a couple of sites that provide the students with practice decomposing fractions. The Khan Academy site also has a video included on the right side in case the students (or the parents) want to know more about the skill. 🙂 Just click on the picture and that will take you directly to the practice.

# Category Archives: Math

# Beware of Key Words!

It is important that students comprehend the question that is being asked in a word problem. Kids can no longer rely on “key words” to know how to solve a problem. The video below shows why students need to BEWARE OF KEY WORDS!

# “Big 7” Division

In this process of division, students divide using whole number place value instead of just using the digits. We began working on this yesterday, and many students find that it is much easier than the traditional steps of long division.

# Long Division Videos & Practice Links

We are working hard to learn the process of long division. Here are a couple of videos that we’ve watched in class:

Click below for a link to 5 websites that can be used to practice long division.

It is extremely important for 4th grade students to be fluent with their multiplication facts. Students may use the XtraMath program to help improve their multiplication and division fact fluency. We try to work on this every day in class, but it may also be done at home.

# Perimeter & Area Video

# Decimals

This week we’ve begun studying decimals. Our study of decimals includes:

- Representing decimal numbers (tenths & hundredths) using base ten blocks and money
- Writing decimal numbers in standard, word, and expanded form
- Comparing and ordering decimals through hundredths
- Relating decimals to fractions (tenths & hundredths)
- Determining decimals as points on a number line
- Adding & subtracting decimals (including money)

Here are some links that your child can use to practice decimal skills:

# Place Value

##### **The X quiz that we took today over the squares & 2’s has been checked and passed back. Please sign and return it to school tomorrow. Our next X Quiz will be on Wednesday over the squares, 2’s & 5’s, and then Friday over the squares, 2’s, 5’s, & 3’s.

##### We are currently working on learning to read, write, and expand numbers up to the hundred billions. We are using this place value rap to help us! We will have a quiz over labeling the places in a place value chart on Friday this week.

Here are some other links that can help with place value:

*StudyJams* Place Value:

*StudyJams* Expanded Form:

Games for place value models, identifying digits & values, expanded form, and comparing & ordering:

Practice reading & writing large numbers:

A smorgasbord of place value lessons, videos, & games (THANK YOU MRS. LAMAR 🙂 !!)

# X Quiz Reminders

#### Multiplication quiz over the square (doubles) facts is tomorrow! Another quiz will be given on Monday and will cover the square facts and 2’s.

# Review types of angles with these videos!

Study the different types of angles by learning these songs!

# Virtual Fraction Manipulatives

We have been working on finding equivalent fractions and comparing fractions in math. Some of the manipulatives that we use in class are pattern blocks and fraction tiles. The picture below will take you to a website where the kids can use fraction tiles and circles to make all kinds of discoveries such as equivalent fractions, adding/ subtracting fractions, modeling & identifying improper fractions & mixed numbers, and comparing & ordering fractions. Not only can the fraction pieces on the site be moved or manipulated, but there is also a work space with a drawing tool that the kids can use to write the equations or fractions that they’ve modeled. They can then take a picture of their work and email it, or even post it on their blog! It is also a wonderful resource to use when working on fraction homework! To check it out, click on the picture of the fraction tiles below.