Dichotomous Key.

Slides:

Advertisements

Similar presentations

OAA Math Terms. y-axis the vertical number line in a coordinate plane.

Advertisements

Algebra: Variables and Expressions variable A variable is a letter or symbol that represents an unknown quantity (a number). ALGEBRA. The branch of mathematics.

Planning Process The Planning Process is a decision-making tool that supports the organization’s overall philosophy about youth-centered leadership and.

Using Your Algebra Skills 9

Geometry 9-6 Geometric Probability. Example Find the probability that a point chosen randomly in the rectangle will be: Inside the square. 20 ft 10 ft.

 Outside across from the word: › write the symbol for conditional: p -> q  INSIDE: › How to write the statement : If p, then q. › Example : If an angle.

Program Design BUILDING A HOUSE. Steps to Designing a Program 1. Define the Output 2. Develop the logic to get that output 3. Write the program.

Objectives: State and use symbols of inequality. Solve inequalities that involve addition and subtraction. Standards Addressed: C: Create and interpret.

What’s a Dichotomous Key?. It’s a tool that scientists use to help them find the names of insects, trees, and many other things. Dichotomous Key? What’s.

Freehand Sketching. Draw a horizontal line about 70 mm long, and then another six lines underneath, each separated by about 10 mm.

Dichotomous Key.

Design Your Storyboard! This may be done on paper, but it is best created in a tool such as PowerPoint Here is the storyboard for my very short advert.

Terms  Are separated by a sign ( - or +) How many terms are in the example?

 An angle is a corner where two lines meet.  Angles are drawn with a small part of a circle in the corner.  Angles can be measured in degrees with.

IC Wash labels © Oxford University Press Wash labels.

Variables Symbols used to represent unknown numbers or values.

Evaluating Algebraic Expressions.

Phonics Activity Book.

Unit 2: The Staff, Notes, and Pitches

Venn Diagrams and Subsets

Model Multiplication Name: _______________________________

Dichotomous Key Homework

Overview of Flash.

Introduction to the Microscope

How do we use map symbols?

The Bohr Diagram gives the entire structure of the Atom

THE AREA OF A CIRCLE An introduction to approximating the area of a circle.

My Google Sketch up Historical House By: Ashley Mahoney

Bricks Triangles Fence Squares Rectangles Diamonds Circles Summary

Introduction to Algebra

Evaluating Statements about Rational and Irrational Numbers

Rational and Irrational Numbers 2

How many words can you make from

Greater than and Less than crocodiles….

OR How to decide what math symbols to use

Keyboarding True or false

Model Multiplication Name: _______________________________

Maths Unit 9 – Forming & Solving Equations

Equalities Inequalities < Is less than = Equals- is the same as

2 Terms 3 Terms 4 Terms Always look for a GCF! Always look for a GCF!

Do Now: What is a dichotomous key?

Introduction to Excel Spreadsheets I can…

Compare and Order Numbers

L.O: To develop a better understanding of negative numbers

Graphing Data jgt.

Patterns TAKS Name__________________________ Class _____________ 5 pts each 100 max_ Tables of value problems are really just patterns for the correct.

Draw the balance scales shown below on a blank page after Page 105.

Dichotomous Keys.

Put the dots on the shift keys.

Algebra: Variables and Expressions

Evaluating Algebraic Expressions.

DICHOTOMOUS KEY.

But what if we find things we don't know and we want to know what they are?

Using Dichotomous Keys

Can you put the symbols in?

Volume of Prisms and Cylinders

Perfect Squares and Factoring

Define and Simplify Radicals

Chapter 5 Section 4 Factoring Trinomials.

Direct Instruction: Dichotomous Keys

Evaluating Algebraic Expressions.

13.5 Inequalities Math 1.

Dichotomous Keys.

Periodic Table of Element – Element Keys

Circles v. Parabolas.

Graphing Inequalities

Chapter 1 – Sections 1, 2 and 3 Writing algebraic expressions

2D Shapes Rectangle Circle Triangle Rectangle. What shape is the door? Rectangle.

Dichotomous Keys Dichotomous Key: A series of paired opposite statements that describe physical characteristics of different organisms. They are based.

Presentation transcript:

Dichotomous Key

dichotomous key a tool used to identify an unknown object.

How to read a dichotomous key: Look at the object!! Always start at the top of the dichotomous key. Read both statements and decide which statement best fits your object. Follow the directions after the statement. When you come to the name of your object, you are done

What letter does this symbol represent?  1a It has only a circle or only a square……….go to 2. 1b It has both a circle and a square………….go to 3. 2a It has 3 dots……………………………….letter E. 2b It has 3 dashes…………………………….letter F. 3a It has a square inside of a circle…………..letter A. 3b It has a circle inside of a square…………..go to 4. 4a It has one dot in the middle of the circle…..letter G. 4b It has two dots in the middle of the circle….letter H.