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Web Resources Supporting the Maryland Voluntary State Curriculum
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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
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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)
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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.
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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
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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.
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- Patch Tool: Fit shapes together to form designs.
- Figure This! Math Challenges for Familes: Vast resource of Geometry problem solving activities with a valuable teacher's presentation and hand-out kit. (In Spanish)
- Interactive Mathematics: An incredible library of virtual manipulatives related to NCTM Geometry standards.
- AAA Math : Good explanition of concepts and opportunity for self correcting practice.
- 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..
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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 |
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Topic
C. Representation of Geometric Figures |
Indicator
1. Represent plane geometric figures
Objective
a. Sketch triangles, quadrilaterals, pentagons, hexagons, octagons, and circles
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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.
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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
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- 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.
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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
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A Flash Film from the Association of Teachers of Mathematics (ATM) to demonstrate how tangrams can make different figures.
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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 |
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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 |
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Topic
C. Applications in Measurement
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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)
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- Shape Explorer: Determine the area and perimeter on a grid using this interactive applet.
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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
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- 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.
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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 |
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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. |
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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
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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
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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
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Indicator
1.Apply number relationships to:
Objectives
a. Identify and describe whole numbers as even or odd
Assessment limit: Use whole numbers (0 – 100)
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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
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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.
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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.
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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?
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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..
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