The Children's House of Bucks County
A Montessori School
Established 1965
Now Enrolling for the 20212022 School Year!
Contact us for more information or to schedule a tour.
ELEMENTARY  THE THIRD YEAR
The third year of the Elementary Program focuses on 5 main elements, growing each year from First through Second:

Math

Language

History

Geography

Science
Math
Fundamentals of Decimal System

Counting 11,000

Skip Counting 110's with number rolls

Place Value up to 9,999,999

Hierarchy of Decimal System Material
Operations  Addition

Addition up to 7digit addends static (Stamp Game, Dot Board, Small Bead Frame, Large Bead Frame, Golden Mat)

Addition of 7digit addends dynamic (Stamp Game, Dot Board, Small Bead Frame, Large Bead Frame, Golden Mat)

Addition of Multiple Addends

Memorization of Math Facts  Addends between 118 (Bead Bears, Flash Cards, Games, Addition Charts, etc.)

Associative and Commutative Properties of Addition

Passage to Abstraction
Operations  Subtraction

Subtraction of two fourdigit numbers static (Stamp Game, Dot Board, Small Bead Frame, Large Bead Frame, Golden Mat)

Subtraction of two fourdigit numbers dynamic (Stamp Game, Dot Board, Small Bead Frame, Large Bead Frame, Golden Mat)

Memorization of Math Facts 118 (Bead Bars, Negative Snake Game, Flash Cards, Subtraction Cards, etc.)

Missing Subtrahend, Minuend and Difference

Passage to Abstraction
Operations  Multiplication

Multiplication of a 7digit number by a 1digit multiplier (Stamp Game, Small Bead Frame, Large Bead Frame, Checkerboard Golden Mat)

Multiplication of a 7digit number by 2digit multiplier (Stamp Game, Small Bead Frame, Large Bead Frame, Checkerboard Golden Mat)

Memorization of Math Facts Tables 110 (Bead Bars, Multiplication Charts, Flash Cards, Decanomial, Games, etc.)

Missing Factors

Passage to Abstraction
Operations  Division

Process of Division

Division of a 7 digit number without a remainder (Golden Bead, Stamp Game, Racks and Tubes, Golden Mat)

Division up to a 7 digit number with a remainder (Golden Beads, Racks and Tubes, Stamp Game, Golden Mat)

Division Memorization  Facts of Divisors 1 9 (Unit Division Board, Division Chart, Flash Cards, Games, etc.)

Rules of Divisibility
Fractions

Introduction to Fractions

Recognition of Fractions: Concrete Material and Symbol

Fraction Skittles

Fraction Circles

Equivalences: (Fraction Circles, Mortenson, Fraction Circle Box)

Count 1/2 to 1/10

Fractions: Addition with Like Denominators (Fraction Circles, Fraction Circle Box)

Fractions: Addition with Unlike Denominators (Fraction Circles, Fraction Circle Box)

Fractions Subtraction with Unlike Denominators (Fraction Circles, Fraction Circle Box)

Fractions: Multiplication (Fraction Circles, Fraction Circle Box)

Mixed Numbers: Reading, Addition and Subtraction (Fraction Circles, Fraction Circle Box)

Rounding Numbers: 1,10,100 and 1,000
Problem Solving

Addition Word Problems

Subtraction Word Problems

Multiplication Word Problems

MultiStep

Reverse Order

Simplify

Middle Answer

Extra Information/Missing/Extra
Money

Identifying Units of Currency

Counting Money

Making Change

Adding Money

Subtracting Money

Multiplying Money
Measurement

Linear Measurement: Inch, Yard, and Mile

Liquid: Cup, Pint, Quart and Gallon

Dry: Tsp., Tbsp., and Cup

Using a Trundle Wheel

Weight: Ounce, Pound

Volume: Sensorial

Temperature: Fahrenheit

Practical Applications: Cooking and Science
Graphing

Line Graphs

Picture Graphs

Bar Graphs

Number Lines
Inequalities

Greater Than

Less Than

Equal to...
Geometry

Recognition and Nomenclature of Geometric Figures  3D

Lines

Angles

Can Identify Regular Polygons through the Decagon

Can Identify Irregular Polygons through the Decagon

Can Identify Quadrilaterals

Construction of Geometric Figures

Congruence, Similarity and Equivalence

Symmetry

Can Identify Triangles by Sides and Angles

Protractors

Powers

Squaring: Bead Bars and Bead Cabinet

Cubing: Bead Bars and Bead Cabinet
Area

Area of Square

Area of Rectangle
Volume

Sensorial Volume
Decimal Fractions

Introduction

Nomenclature and Recognition of Fractions up to .9999

Addition of Decimals (Pegs, Abstract)

Subtraction of Decimals (Pegs, Abstract)

Multiplication of Decimals (Pegs, Abstract)
Science
Zoology

Five Kingdoms

Five Classes of Vertebrates; review of external parts: Fish, Amphibians, Reptiles, Birds and Mammals

Internal Anatomy of Vertebrates: Fish, Amphibians, Reptiles, Birds and Mammals

Continuation of Invertebrates

Annelids

Platyhelminthes

Aschelminthes

Arthropods: Insects, Crustaceans

Mollusks: Snail, Clam, Octopus, Squid

Echinoderms: Starfish, Sear Urchin, Sand Dollar

Defense and Camouflage

Animal Descriptive Stories

Animal Classification Charts

Tree of Life
Botany

Pollination

Germination

Photosynthesis

Thallophytes: Algae, Fungi, Lichen

Bryophytes: Liverworts, Mosses

Pteridophytes: Ferns, Horsetails

Gymnosperms

Angiosperms

Tree of Life

Classification Chart
Physical Science

Light: Eye, Color, Reflection, Refraction, Shadows, Camera, Sundial

Physics: Simple Machines, Technology

Chemistry: Freezing, Melting, Currents, Matter, Mixture, Solutions Compounds, Periodic Table

Sound: Ear, Vibrations, Sound Waves, Pitch, Frequency

Electricity: Static Electricity, Batteries, Resistance, Conductor/Insulator, Open/Closed Circuit, Series/Parallel Circuit, Magnetism

Energy: Types: Potential/Kinetic, Atomic/Nuclear, Mechanical, Electrical, Magnetic, Thermal, Chemical and Conservation
Note: The science curriculum follows a threeyear cycle. Year one includes light and physics. Year two includes energy and chemistry. Year three includes sound and electricity.
Language
Speaking Skills

Oral Reports

Public Speaking

Participating in Group Discussions
Listening Skills

Follows Directions

Oral Comprehension
Comprehension

Identifying Character's Feelings/Motives/Traits/Behavior

Summarizes Plot

Identifying Problems

Predictions

Locating the Answer

Getting the Facts

Drawing Conclusions

Working within Words

Following Directions

Sequencing

Identifying Inferences

Using the Context
Sentence Analysis

Simple and Compound Sentences
Handwriting

Upper and Lower Case Cursive

Margins

Correct Spacing

Correct Letter Size

Calligraphy
Word Attack Skills

Phonograms

Puzzle Words
Grammar

Grammar Boxes (Adverb, Preposition, Conjunction, Interjection)
Reading

Language Series

Chapter Books

Fictional and NonFictional

Read Aloud

Dolch/High Frequency
Word Study

Contractions

Synonyms

Antonyms

Syllabication

Suffixes

Prefixes

Homonyms

Root Words

Dictionary Skills

Thesaurus
Spelling

Rhyming Words

Word Families

Sight Words

Spelling Series
Punctuation

Periods

Question Marks

Exclamations

Paragraph Indentation

Commas

Quotation Marks

Semicolon
Capitalization

Proper Nouns

Initial Word

Pronoun I

Proper Adjectives
Alphabetization

First, Second, Third and Fourth Letter
Creative Writing

Journals

Simple and Complex Sentences

Friendly Letter

Business Letter

Paragraph Development

Writing Workshop/Editing

Webbing

Outlining
Research

Paraphrasing

Atlas

Glossary

Index

Table of Contents

Bibliography

Almanac
Vocabulary

Based on Units of Study in Various Curricula Areas, Vocabulary Series
Geography
Political Geography

The continents are studied in a 3year cycle. Year one includes North American and Europe. Year two includes Asia, Australia and Antarctica. Year three includes South America and Africa.

Continents: (Indepth study of two continents per year)

Pin Maps (Countries, Capitals, Waterways, Geographical Features and Islands)

Compass Directions/Skills: N,S,E, and W, Intermediate Directions

Map Skills: Distance and Scale, Direction and Map Keys, Resource Maps, Landform Maps, Contour Maps, Route Maps, Grids, Equator, Prime Meridian, Hemispheres, Longitude, Latitude, Graphs, Orienteering
Physical Geography

The physical geography curriculum is cycled on a three year basis. Year one is the lithosphere; year two is the hydrosphere and atmosphere.

Lithosphere: Formation of the Earth, Earth Layers, Composition of the Earth, Earthquakes, Volcanoes, Formation of Mountains, Parts of the Crust, Composition of Rocks, Types of Rocks, What is a Rock, Rock Cycle, Minerals, Mohs Hardness Scale.

Atmosphere: Earth's insulation. Composition of the Atmosphere, Layers of the Atmosphere, Earth's Magnetosphere, Aurora, Electromagnetic Spectrum, Clouds, Tornadoes, Hurricanes, Precipitation, Barometer, Weather Maps, Oxygen/Nitrogen, Cycle, Wind Currents, Formation of Wind, High/Low Pressure, Wind Belts, Land Breeze, Sea Breeze, Greenhouse Effect.

Hydrosphere: Water Cycle, Ocean Currents, Types of Water: Freshwater and Saltwater, Acid Rain, Aquifers, Dams, Reservoirs.

The climates/biomes units of study are based on the continents being studied: Africa (desert); South America (rainforest); North America and Europe (temperate); and Antarctica (arctic).

Climates: Study relevant climates of continents being studied

Environments/Biomes: Study relevant climates of continents being studied
Cultural Geography

Needs of People: Boxes for material/spiritual needs  Shelter, clothing, transportation, selfdefense, food, art, music, government, beauty, religion, holidays.