Baltimore County Public Schools


Thursday, August 28, 2008
All schools operating on normal posted schedule.
Baltimore County Public Schools BCPS Home

Office of Library Information ServicesonLINE
LIS Elementary School Research Model Middle School Research Model High School Research Model  onLINE
BCPS
VSC / BCPS Curriculum
Professional Library

Teacher Tips and Tools

Student Resources

Parent Resources

Reading Page

Databases / e-Books

SAILOR: MD Info Network

BCPL Public Library

BCPL Teacher Loan

Reference Desk

Search The Web

 

Web Resources Supporting the Maryland Voluntary State Curriculum


Mathematics - Grade 3

Algebra | Geometry | Measurement | Statistics | Probability | Number | Process

ALGEBRA

Standard 1.0 Knowledge of Algebra, Patterns, and Functions

Students will algebraically represent, model, analyze, or solve mathematical or real-world problems involving patterns or functional relationships.
Topic
A. Patterns and Functions
Indicator
1. Identify, describe, extend, and create numeric patterns

Objectives

a. Represent and analyze numeric patterns using skip counting Assessment limit: Use 2, 5, 10, or 100 starting with any whole number (0 – 1000)

b.
Represent and analyze numeric patterns using skip counting Assessment limit: Use 3 or 4 starting with 0, 1, 2, 3, or 4 (0 - 30)

c.
Represent and analyze numeric patterns using skip counting backward Assessment limit: Use 10 or 100 starting with any whole number (0 – 1000)

d.
Complete a function table using a given addition or subtraction rule

Indicator
2.
Identify, describe, extend, and create non-numeric growing or repeating patterns

Objectives

a. Represent and analyze growing patterns using symbols, shapes, designs, or pictures Sample Assessments Assessment limit: Start at the beginning, show at least 3 levels but no more than 5 levels, and ask for the next level

b. Represent and analyze repeating patterns using symbols, shapes, designs, or pictures Assessment limit: Use no more than 4 objects in the core of the pattern

Topic
B. Expressions, Equations, and Inequalities

Indicator
1. Write and identify expressions

Objective

a. Represent numeric quantities using operational symbols (+, -, ×, ÷) Sample Assessments Assessment limit: Use operational symbols (+ or -) and whole numbers (0 – 50)

Indicator
2. Identify, write, and solve equations and inequalities

Objectives

a.Represent relationships using appropriate relational symbols (<, >, or =) and operational symbols (+,- ×, ÷) on either side Assessment limit: Use operational symbols (+ or -) and whole numbers (0 – 1000)

b. Find the missing number (unknown) in a number sentence (equation) using operational symbols (+, -, ×, ÷) Sample Assessments Assessment limit: Use one operational symbol (+ or -) and whole numbers (0 – 100)

c. Find the missing number(s) (unknown) on one or both sides of a number sentence (equation)

  • BBC's Math File:Spin the wheel and choose a game. While some terminology is very British the games are well executed, engaging, and learning supports are provided.

 

 

 

 

  • AAA Math : Good explanition of concepts and opportunity for self correcting practice.
Topic
C. Numeric and Graphic Representations of Relationships

Indicator
1. Locate points on a number line

Objective

a. Represent whole numbers on a number line Assessment limit: Use whole numbers (0 - 500)

b. Represent proper fractions on a number line Assessment limit: Use fractions that have denominators of 2, 3, or 4

Chameleon Graphing: With the help of Sam the Chameleon, learn to find points on a number line and graph points in the coordinate plane.

GEOMETRY

Standard 2.0 Knowledge of Geometry

Students will apply the properties of one-, two-, or three-dimensional geometric figures to describe, reason, or solve problems about shape, size, position, or motion of objects.
Topic
A. Plane Geometric Figures

Indicator
1. Analyze the properties of plane geometric figures

Objectives

a. Identify or describe points, lines, line segments, rays, and angles

b. Identify or describe polygons Sample Assessments Assessment limit: Use triangles, quadrilaterals, pentagons, hexagons, or octagons and the number of sides or vertices

c. Identify or describe quadrilaterals Assessment limit: Use squares, rectangles, rhombi, parallelograms, and trapezoids and the length of sides

d. Identify triangles, rectangles, or squares as part of a composite figure Assessment limit: Use a combination of 2 of the stated polygons

Indicator
2. Analyze geometric relationships

Objectives

a. Identify right angles.

Topic
B. Solid Geometric Figures

Indicator
1. Analyze the properties of solid geometric figures

Objectives

a. Identify and describe cubes, rectangular prisms, and triangular prisms Assessment limit: Use cubes and the number of edges, faces, vertices, or shape of each face
Topic
C. Representation of Geometric Figures

Indicator
1. Represent plane geometric figures

Objective

a. Sketch triangles, quadrilaterals, pentagons, hexagons, octagons, and circles

  • Geometry through Art: A wonderful assortment of lesson ideas, facilitation suggestions, lists of materials needed, and handouts for you to photocopy. The artist, Mr. Shapiro, focuses on the student as investigator, learning through doing, and using perception to stimulate the motivation for more developed concepts and language.
Topic
D. Congruence

Indicator
1. Analyze congruent figures

Objective

a. Identify and describe geometric figures as congruent Assessment limit: Use the same shape and same size

  • Triangle Congruence: Ask Dr. Math from Drexel University has an excellent set of questions from students with clearly explained answers about congruent triangles.
  • Wonderful Whale: A useful paper activity that provides step by step instructions to make an origami whale all the while describing and defining the shapes and angles created in the folds.
Topic
E. Transformations

Indicator
1. Analyze a transformation

Objectives

a. Identify and describe the results of a slide, flip, and turn Sample Assessments Assessment limit: Use horizontal slide, flip over a vertical line, or turn of 90° clockwise around a given point of a geometric figure or picture

Indicator
2. Analyze geometric figures or pictures

Objective

a. Identify and describe symmetry Assessment limit: Use no more than 4 lines of symmetry

 

  • A Flash Film from the Association of Teachers of Mathematics (ATM) to demonstrate how tangrams can make different figures.

MEASUREMENT

Standard 3.0 Knowledge of Measurement

Students will identify attributes, units, or systems of measurements or apply a variety of techniques, formulas, tools or technology for determining measurements.
Topic
A. Measurement Units
Indicator
1. Read customary and metric measurement units

Objectives

a.Estimate and determine length Assessment limit: Use the nearest centimeter or ½ inch
b. Tell time in days, hours, minutes, and seconds Sample Assessments Assessment limit: Use the nearest minute using an analog clock

c.
Estimate and read temperature Assessment limit: Use the nearest degree (°F or °C)

d.
Estimate and determine weight of objects Assessment limit: Use the nearest pound or ounce
Topic
B. Measurement Tools
Indicator
1. Measure in customary and metric units

Objectives

a. Measure length of objects and pictures of objects using a ruler, a tape measure, a yardstick, or a meter stick Assessment limit: Use a ruler and the nearest centimeter or ½ inch
b. Measure capacity of containers to the nearest cup, pint, quart, gallon, milliliter, and liter using graduated containers

c. Measure weight of objects to the nearest ounce and pound and the mass of an object to the nearest gram and kilogram

Topic
C. Applications in Measurement

Indicator
1. Apply measurement concepts

Objectives

a. Estimate and determine the perimeter of geometric figures and pictures on a grid Sample Assessments Assessment limit: Use counting and whole numbers (0 – 50)

b. Estimate and determine the area of geometric figures and pictures on a grid Assessment limit: Use counting and whole numbers (0 – 50)

Indicator
2. Calculate equivalent measurements

Objectives

a. Determine equivalent units of length Assessment limit: Use 12 inches = 1 foot and 3 feet = 1 yard and whole numbers (0 – 30)

 

 

 

  • Shape Explorer: Determine the area and perimeter on a grid using this interactive applet.

STATISTICS

Standard 4.0 Knowledge of Statistics

Students will collect, organize, display, analyze, or interpret data to make decisions or predictions.
Topic
A. Data Displays
Indicator
1.Collect, organize, and display data

Objectives

a. Collect data by conducting surveys

b. Organize and display data to make tables using a variety of categories and sets of data Assessment limit: Use no more than 4 categories from one set of data and whole numbers (0 – 1000)

c. Organize and display data to make pictographs using a variety of scales Assessment limit: Use scales of 2:1, 4:1, or 10:1 and whole numbers (0 – 100)

d. Organize and display data to make single bar graphs using a variety of categories and intervals Sample Assessments Assessment limit: Use no more than 4 categories of data with intervals of 1, 2, 5, or 10 and whole numbers (0 –100)

e. Organize and display data to make line plots using a variety of intervals
  • Interactive Mathematics: A library of virtual manipulatives related to NCTM Data Analysis and Probability standards.
  • Bar Graph Sorter: This applet allows the user to explore simple bargraphs through sorting shapes by color or shape into the graph.
Topic
B. Data Analysis
Indicator
1. Analyze data

Objectives

a.
Interpret data contained in tables using a variety of categories and intervals Assessment limit: Use no more than 4 categories from one set of data and whole numbers (0 – 1000)

b. Interpret data contained in pictographs using a variety of categories and intervals Sample Assessments
Assessment limit: Use scales of 2:1, 4:1, or 10:1 and whole numbers (0 – 100)

c.
Interpret data contained in single bar graphs using a variety of categories and intervals Assessment limit: Use no more than 4 categories of data, intervals of 1, 2, 5, or 10 and whole numbers (0 – 100)

d. Interpret data contained in line plots using a variety of intervals

PROBABILITY

Standard 5.0 Knowledge of Probability

Students will use experimental methods or theoretical reasoning to determine probabilities to make predictions or solve problems about events whose outcomes involve random variation.

Topic
A. Sample Space

Indicator
1. Identify possible outcomes

Objective

a. Identify possible outcomes that make up the sample space for a given real life situation

b. Identify possible outcomes that make up the sample space for a given experiment such as: flipping a coin, spinning a spinner, and rolling a number cube

Topic
Theoretical Probability

Indicator
1. Identify the probability of one simple event

Objectives

a. Describe the probability of an event using words Sample Assessments Assessment limit: Use probability terms of more (or most) likely, less (or least) likely, or equally likely

 

 

NUMBER

Standard 6.0 Knowledge of Number Relationships and Computation/Arithmetic

Students will describe, represent, or apply numbers or their relationships or will estimate or compute using mental strategies, paper/pencil or technology.
Topic
A. Knowledge of Number and Place Value
Indicator
1. Apply knowledge of whole numbers and place value

Objectives

a. Read, write, and represent whole numbers using symbols, words, and models Assessment limit: Use whole numbers (0 - 10,000)

b.
Express whole numbers using expanded form Assessment limit: Use whole numbers (0 - 10,000)

c.
Identify the place value of a digit in a whole number Assessment limit: Use whole numbers (0 - 9,999)

d.
Compare, order, and describe whole numbers with or without using relational symbols (<, >, =) Sample Assessments Assessment limit: Use no more than four whole numbers (0 - 10,000)

Indicator
2. Apply knowledge of fractions

Objectives

a. Read, write, and represent fractions as parts of a single region using symbols, words, and models Sample Assessments Assessment limit: Use fractions with denominators of 2, 3, or 4

b. Read, write, and represent fractions as parts of a set using symbols, words, and models Assessment limit: Use fractions with denominators of 2, 3, or 4, and use sets of 2, 3, 4 items, respectively

Indicator
3. Apply knowledge of money

Objectives

a.
Represent money amounts in different ways Assessment limit: Use money amounts ($0 - $100)

b.
Determine the value of a given set of mixed currency Assessment limit: Use coins and bills ($0 - $100)

c. Compare the value of two sets of mixed currency

 

 

 

 

 

 

 

 

 

 

 

 

 

Topic
B. Number Theory

Indicator
1.Apply number relationships to:

Objectives

a. Identify and describe whole numbers as even or odd Assessment limit: Use whole numbers (0 – 100)

 
Topic
C. Number Computation

Indicator
1. Analyze number relations and compute

Objectives

a. Add numbers using a variety of strategies Assessment limit: Use no more than 3 addends, with no more than 3 digits in each addend and whole numbers (0 – 1000)

b. Subtract numbers using a variety of strategies Assessment limit: Use no more than 3 digits in the minuend or subtrahend and whole numbers (0 – 999)

c. Solve addition and subtraction word problems

d. Add and subtract money amounts

e. Identify and apply the concept of inverse operations to addition and subtraction

f. Represent multiplication and division basic facts using number sentences, pictures, and drawings Assessment limit: Use basic facts of no more than 9 x 9 = 81

g. Identify and use properties of multiplication Assessment limit: Use the properties of commutative, identity, or zero and whole numbers (0 – 20)

h. Multiply a one-digit factor by a two-digit factor using models, pictures, and drawings

i. Divide a two-digit dividend by a one-digit divisor using models, pictures, and drawings

j. Identify and apply the concept of inverse operations to multiplication and division

k. Write a word problem based on multiplication or division number sentences

Indicator
2. Estimation

Objective

a. Determine the reasonableness of sums and differences

A+ Math Homework Helper Excellent practice for math facts

 

 

 

 

 

 

 

 

 

 

 

 

 

PROCESS

Standard 7.0 Process of Mathematics

Students demonstrate the processes of mathematics by making connections and applying reasoning to solve problems and to communicate their findings.
Topic
A. Problem Solving
Indicator
1. Apply a variety of concepts, processes, and skills to solve problems

Objectives

a. Identify the question in the problem


b. Decide if enough information is present to solve the problem

c. Make a plan to solve a problem

d. Apply a strategy, i.e., draw a picture, guess and check, finding a pattern, writing an equation

e. Select a strategy, i.e., draw a picture, guess and check, finding a pattern, writing an equation


f. Identify alternative ways to solve a problem

g. Show that a problem might have multiple solutions or no solution

h. Extend the solution of a problem to a new problem situation
  • Identifying Key Words in Math Word Problems: Power Point tutorial that engagingly takes students through the process of identifying key words.
  • Map Coloring-The Big Picture: Using one of the most famous proofs in mathematics (the Four Color Theorem) students will explore the question:What is the fewest number of colors I must use to color this map?
  • Let's Do Math: Students can solve non-standard problems that are challenging and fun.
  • Math Playground: Lots of interactive leveled games that present word problems in a fun way.
Topic
B. Reasoning
Indicator
1. Justify ideas or solutions with mathematical concepts or proofs

Objectives

a. Use inductive or deductive reasoning

b. Make or test generalizations

c. Support or refute mathematical statements or solutions

d. Use methods of proof, i.e., direct, indirect, paragraph, or contradiction
  • Map Coloring-The Big Picture: Using one of the most famous proofs in mathematics (the Four Color Theorem) students will explore the question:What is the fewest number of colors I must use to color this map?
  • Let's Do Math: Students can solve non-standard problems that are challenging and fun.
Topic
C. Communications
Indicator
1. Present mathematical ideas using words, symbols, visual displays, or technology

Objectives

a. Use multiple representations to express concepts or solutions

b. Express mathematical ideas orally

c. Explain mathematically ideas in written form

d. Express solutions using concrete materials

e. Express solutions using pictorial, tabular, graphical, or algebraic methods

f. Explain solutions in written form

g. Ask questions about mathematical ideas or problems

h. Give or use feedback to revise mathematical thinking
  • Map Coloring-The Big Picture: Using one of the most famous proofs in mathematics (the Four Color Theorem) students will explore the question:What is the fewest number of colors I must use to color this map?
Topic
D. Connections
Indicator
1. Relate or apply mathematics within the discipline, to other disciplines, and to life

Objectives

a. Identify mathematical concepts in relationship to other mathematical concepts



b. Identify mathematical concepts in relationship to other disciplines


c. Identify mathematical concepts in relationship to life


d. Use the relationship among mathematical concepts to learn other mathematical concepts
  • Map Coloring-The Big Picture: Using one of the most famous proofs in mathematics (the Four Color Theorem) students will explore the question:What is the fewest number of colors I must use to color this map?
  • Problem Pictures is about bringing mathematics to life with photograhs. Stiking photographs are combined with original quesitons and problems to challenge students at all levels.
  • Geometry through Art: A wonderful assortment of lesson ideas, facilitation suggestions, lists of materials needed, and handouts for you to photocopy. The artist, Mr. Shapiro, focuses on the student as investigator, learning through doing, and using perception to stimulate the motivation for more developed concepts and language..

 

Maryland State Voluntary Curriculum
Library Media Voluntary State Curriculum
BCPS Curriculum
Active Science Classroom
 
Focused on Quality; Committed to Excellence