### Math (2nd Nine Weeks)

### Math- Unit 2- Multiplication and Extending Division, Measuring Angles, Analyzing 2-D Figures

**Essential Questions for this unit are:**

- How are remainders and divisors related?
- (Measuring Angles) What are the characteristics of angles?
- (Analyzing 2-Dimensional Figures) Where do I see parallel and perpendicular lines in everday life?
- How do I use the classification of 2-D figures to compare and contrast characteristics?

**When we finish this unit, students should have an enduring understanding of the following topics:**

multiplication and division using area model

- Division with remainders involves thinking about what is to be done with the remainder e.g. cookies can be kept but extra children needing transport on a trip cannot be left behind.
- There is a relationship between multiplication and division. Fluency with facts must be developed.
- Multiplication and division problems can be made easier by the development of a story to connect the numbers.
- Rounding is a form of estimation that changes numbers in a problem to make it easier to compute mentally.
- Estimation strategies have two main purposes. They are used for prediction and to determine reasonableness of an answer.
- Variables are used to express general rules about numbers, number relationships, and operations.
- Dividing by a two-digit divisor involves estimation and multiplication.
- Dividing by a two-digit divisor involves the decomposing of the dividend into groups (quotient) and that there may or may not be a remainder.
- There are many different ways to see and describe similarities and differences among shapes. The more ways that shapes can be sorted, identified, and described the more they can be understood.
- Two dimensional figures can be classified by their characteristics.
- Angles are composed of two rays that share a common vertex. The size of the angle is dependent upon the spread of the angle's rays.
- Points can be graphed and located using ordered pairs within the first quadrant of the coordinate system.

**Topic 1- Multiplication and Extending Division**

Vocabulary

- unknown
- divisor
- quotient
- symbols
- evaluate
- remainder
- dividend
- reasonable
- mathematical expression
- increase
- decrease

**Multiplication**

**Division**

Division Millionaire (Great Game!)

**Algebra Review**

Help with Algebra terms and examples

IXL gives you a chance to practice what we've studied!

Cool Math for Kids- Practice many of the skills we've studied at this site!

Some advice for parents on how to help...

Vocabulary

- ray
- acute angle
- obtuse angle
- right angle
- vertex
- half rotation
- full rotation
- degree
- protractor
- angle ruler

Need help with definitions? This site is very user-friendly!

Here are some games to help you practice what we've worked on in class:

Advanced Angles (with definitions...a great site!)

**Topic 3-Analyzing 2-Dimensional Figures**

Vocabulary

- parallel
- parallelogram
- perpendicular
- hexagon
- pentagon
- trapezoid
- rhombus
- quadrilateral
- square
- regular polygon
- irregular polygon

**Triangles**

- scalene
- isosceles
- equilateral

Advanced- angles of a triangle

Identify triangle types using That Quiz

**Quadrilaterals**

This power point will help remind you of key vocabulary.

Identify quadrilaterals using That Quiz

**3 Demensional Shapes**

Terms Identification- vocabulary hidden picture

Cricket- Quadrilateral Sort Game

- coordinate
- ordered pair
- x-axis
- y-axis

**Cool Sites For Co-ordinate Graphing:**

- Practice with co-ordinates!
- Practice with graphs!
- Billy Bug (Always a Favorite!)
- Find the co-ordinates to my house!
- FunBrain What's the Point?
- Dino DIg
- Graph Mole
- Top Quark
- Battleship (on-line version)
- Drive my car
- Advanced Activity

Teacher's resources:Mathwire ,

**Shapes and Figures**

Definitions and examples of shapes

**Review Order of Operations**

**Games**

Math Frog- Order of Operations

Order of Operations on Funbrain

http://www.uen.org/Lessonplan/preview.cgi?LPid=23375

http://www.bingocardcreator.com/bingo-cards/math/geometry

http://www.elcerritowire.com/4/geometry.htm