Vocabulary

Here you will learn ALLLLL about math words. The more words you know, the more you will grow! 

-Watch the video on Place Value




-Watch the video on writing numbers in Expanded Form!




-Watch the video on Estimation! FAST FORWARD TO 3:33

FRACTIONS UNIT

Need some help remembering the parts of a fraction? Watch the video below! 

Important Words: 

1. Numerator

2. Denominator

3. Fraction 

4. Unit Fraction 

5. Improper Fractions 

6. Mixed Numbers

Prime and Composite Numbers Unit!

Unit 7: Expressions and Equations 

1.  Equation

An equation must have at least 2 parts. Can you guess what those two parts are? 

2. Variable--In this picture, the smiley face is the variable. 

Other examples: 

1) 4x + 3 = 30 

2) 5 + b =10

3) 10 x g =70

What do you notice about the letters? 

3. Expression:

Examples: 

5 + 12 - 4 

62 - 3 x 2 

14 + 15 +1 -2 

Non Examples: 

5 x 2 = 10 

52 - 4 = 48

33 + 2 = 35 

UNIT 8: Perimeter/Area/Volume

1. Perimeter 

Example: I walked around the outside of my yard to find its perimeter. That way, I could build a fence! 

Example 2: I traced my fingers along the outside of the picture to find its perimeter. Then, I created a picture frame for it! 

2. AREA  

I counted the number of square units inside each shape to find the area. 

Ms. Dray wanted to COVER the floor in her living room. She found the area of the floor and then bought a rug with the same area! 

Let's Discuss...Should I find the perimeter or area? 

1. I am replacing the tile floor in my kitchen. Area or Perimeter? 

2. I am building a garden fence to keep out squirrels. Area or perimeter? 

3. I am sewing a quilt for my bed. Area or perimeter? 

4. I am placing a frame around a photo of Mr. John and me? 

5. The police taped the ________ of the crime scene so that nobody could enter. Perimeter or Area? 

Composite Shapes

Examples: 

Non examples: 

Unit 9: GEOMETRY! 

Below are examples of IRREGULAR polygons: 

Congruent