Investigations in Number, Data and Space
Third Grade

Investigations Unit	Math Emphases	Exemplars Tasks/Location
1. Trading Stickers, Combining Coins	Understanding the equivalence of one group and the units that comprise it Adding and subtracting accurately and efficiently	CDI Another Domino Dilemma, Busy Day, Raccoons, Kwanza Celebration, Necco® Mania CDII "Planely" a Problem, Getting Ready
2. Surveys and Line Plots	Describing, summarizing, and comparing data Representing data Designing and carrying out a data investigation measuring with standard units (linear and temperature)	CDI Post Office, Display, Chocolate Chip Cookie Rubric, Necco Mania, M&M® Mini-Bus Challenge, Miss Amico's Birthday Bash, Spring Seeds, Valentine Candy Challenge CDII Fair Snack, Chick-a-dee-dee, Good-bye Party Fun, Lost Count, Valentine's Day Cards
3. Collections and Travel Stories	Extending knowledge of the number system to 1000 Understanding the equivalence of one group and the discrete units that comprise it Adding and subtracting accurately and efficiently Understanding different types of subtraction problems	CDI Busy Day, Raccoons, What's the Problem, Another Domino Dilemma, Ant in the Well, Pedal Power CDII Book Club, Don't let the Bedbugs Bite, Galaxy Araca, Getting Ready, Got Milk? Holiday Fair, Lost Count, To the Detail, Who Owns the Most Land, Planely a Problem
4. Perimeter, Angles, and Area	Measuring with standard units (metric and customary) Understanding and finding perimeter Understanding and finding area Describing and classifying 2-D figures Describing and measuring angles	CDI Bulletin Board Border, Carpet Caper, Post Office Display, Terrific Tiles, Zeno the Xylophone Maker, Miss Guy's Puppy Problem, Mrs. Hasson's Decorating Dilemma, Sandbox for Geoffrey, Tangram Areas, Leaves, Two-Inch Square CDII Who Owns the Most Land, Cookie Cutters, Valentine's Day Cards, Right-Equilateral Triangle?
5. Equal Groups	Understanding the meaning of multiplication Reasoning about numbers and their factors and multiples Understanding and working with an array model of multiplication Learning the multiplication combinations with products up to 50 fluently Developing strategies for division based on understanding the inverse relationship between multiplication and division	CDI Camping, Checkerboard Investigation, Fish Dilemma, Great Pizza Dilemma, Missing Key Dilemma, I-Did-A-Read, Necco® Mania CDII Chick-a-dee-dee, Goodbye Party Fun, Meddling with the Medals, A Very Fishy Story, Chick-a-dee-dee, Good-bye Party Fun, Lost Count, Planely a Problem
6. Stories, Tables, and Graphs	Using graphs to represent change Using tables to represent change Describing and representing a constant rate of change Constructing, describing, and extending number sequences with constant increments generated by various contexts Understanding temperature and measuring with standard units	CDI Busy Day, Checkerboard Investigation, Chocolate Chip Cookie Rubric, Miss Guys' Puppy Problem, Party Seating, Pedal Power, Penny a Day, Raccoons, Sandbox for Geoffrey, Sleigh Rides, Stacks of Coins, Tower Problem, Great Pizza Dilemma CDII Betty's Blocks, Calendar Problem, Eating Jelly Beans, Farmer Brown, Finicky Cat, Flies and a Frog, Hatching Chicks, Ice Cream, Let's Play, Lining Up, Mary Quite Contrary, A New Necklace, Nine Cents, Sharing Sleds, Staying Warm
7. Finding Fair Shares	Understanding the meaning of fractions and decimal fractions as equal parts of a whole (an object, an area, a set of objects) Using representations to combine fractions	CDI A Penny a Day, Valentine Candy Challenge, Zeno the Xylophone Maker, Blue Print, Camping, Deluxe Birthday Cake, Filling the Pool, More for the Money, Portfolio Pizza Party, Stained Glass Surprise, What is Fair? CDII Happy Birthday Abby, Hatching Chicks, Legs, Holiday Fair Shopping Spree, Nine Cents, Sweet Sale, Eating Jelly Beans, Flies and a Frog, Let's Plan a Party
8. How Many Hundreds? How Many Miles?	Adding and subtracting accurately and efficiently Describing, analyzing, and comparing strategies for adding and subtracting whole numbers	CDI Ant in the Well M&M® Mini-Bus Challenge, Penny a Day, Harvest Dinner, I-Did-A-Read, Job Hunting, New Year's Party, Playground Committee, Return of the Pandas, Should We Burst Their Bubble? CDII Legs, Book Club, Don't let the Bedbugs Bite, Galaxy Araca, Getting Ready, Got Milk? Holiday Fair, Lost Count, To the Detail, Who Owns the Most Land, Planely a Problem
9. Solids and Boxes	Describing properties of 3-D shapes Translating between 2-D and 3-D shapes Structuring rectangular prisms and determining their volume	CDI Party Seating, Playground Fun, Tangram Areas - Grandfather Tang's Story CDII Valentine's Day Cards, Happy Birthday Abby, A Shower of Shapes, Someone's Been Eating my Porridge, Time for Math, Wonderful Leaves

Investigations in Number, Data and Space Third Grade

Pearson Education, Inc. Copyright 2008

Investigations in Number, Data and Space
Third Grade