Investigations in Number, Data and Space
Second Grade

Investigations Unit	Math Emphases	Exemplars Tasks/Location
1. Counting, Coins, and Combinations	explore materials; describe, sort based on attributes; count sets of objects, write number expressions keep track of school days, write equations; make combinations of 10; identify uses of numbers explore, describe 2-D geometric shapes; explore, sort, and describe 3-D shapes; find different shapes for area; find and record several solutions to a problem count objects; count by 2's, 5's, 10's; compare sets; add two digit numbers; identify coins and values; combine coins to make 25 and 50 sort and classify information, collect, record, and represent data; count and compare amounts; count groups of objects in more than one way; talk and write about problem-solving strategies	CDI Muffins, Piggy Bank, Paleontologist, Ten Feet Apartment, Frog and Toad, Canoe Trip, Darts, Six-Pack of Soda, Birthday Gift Shopping, Coin Combinations, Coins, Stacking Caps, Another Domino Dilemma, Bug Watching CDII Chaperones, Dandelion Dilemma, Flies and Frogs, Let's Play, Mary Quite Contrary How Does Your Garden Grow? Nine Cents Seedlings to Timber, Someone's Been Eating My Porridge! Sweet Sale CDIII Boots and Hats, Candy Shop Treats, Collecting Seashells, Counting Corners, Crackers, Dinosaur Models, Eating Apples, How Many Apples, Keeping the Park Clean, Picking Up Shapes, Socks for Everyone
2. Shapes, Blocks, and Symmetry	develop familiarity with 10, work with combinations of 10 and doubles; develop strategies for adding two or more numbers explore patterns, develop fluency in skip counting 2s, 5s, 10s; explore recording large groups; become familiar with coin equivalencies; use money as model for 5s and 10s develop models of add/sub situations; solve problems using add/sub notation become familiar with structure of 100; use 100 chart; use familiar add combinations to find totals; develop add/sub strategies	CDI Geometry, Paleontologist, Pentomino Problem, Seats and Tables CDII Happy Birthday, Abby, Hatching Chicks, Renting Craft Space, A Shower of Shapes, Time for Math CDIII Counting Corners, Kitty Corner, A Pen for Pattycake, Picking Up Shapes, Shapes on the Playground
3. Stickers, Number Strings, and Story Problems	Examine similarities, differences in data; clarify categories; sort, classify information; collect, record, represent data; use Venn diagrams Use characteristics of data, articulate logic, construct categories for data; invent representation of data; use more than one representation to view data Work on constructing categories to describe data; organize categorical data Collect, record survey data; compare data sets; make presentation graphs; report on data analysis	CDI Average Number of Letters, 100th Birthday Celebration, Darts, License Plates, Valentine's Day Party Plan, Witches Transportation CDII Dandelion Dilemma, Holiday Fair Shopping Spree, Farmer Brown, Legs, Let's Plan a Party CDIII Boots and Hats, Candy Shop Treats, Car Wash, Collecting Seashells, Counting Corners, Crackers, Eating Apples, Keeping the Park Clean, Number Blocks, Socks for Everyone
4. Pockets, Teeth and Favorite Things	sort, describe, identify shapes by attributes; compose/decompose 2/3 D shapes; describe spatial relationships identify triangles/rectangles based on number of sides/corners; visualize, construct, draw arrays; use numbers to compare arrays work with arrays and geometric solids to investigate fractional parts; design, construct rectangular regions that are divided into halves, thirds, or fourths	CDI Chip Chance, Easter Baskets, Field Trip, Number Cube Game, Sink or Float, Space Creatures, Stacking Caps, Typical Objects, Valentine M&M® Problem CDII Finicky Cat, Ice Cream, Perplexing Palindrome Problem CDIII Bag of Beads, A New Lock, Collecting Seashells, Dinosaur Models, Number Blocks, Picking Up Shapes, Silent Reading Time
5. How Many Floors? How Many Rooms?	Develop models of add/sub; solve problems using numerical reasoning; record strategies; use horizontal and vertical notation for add/subtraction Become familiar with structure and patterns of numbers from 1-100; use coins as model for add/sub multiples of 5, 10; use 100 chart; compare numbers to 100 Develop ways to approach different add/sub problems; recognize, solve variety problem structures; compare solution strategies; create situations for equations Work with 100, combinations up to 100; add string of numbers; write story for addition equation Develop strategies for comparing; calculate distance between two numbers using 100 chart; develop ways to approach, recognize, solve variety of problem structures	CDI Bug Watching, Clay Pots, Coin Combinations, Coins, Darts, Fishing, In Line, Mr. Frye's Lambs, Muffins, Seedlings to Timber, Snail Trails, Snow Play, Whoo is Hunting CDII Betty's Blocks, Buttons for Snowmen, Chaperones, Eating Jellybeans, Farmer Brown, Flies and Frogs, Ice Cream, Let's Play, Lining Up, Lynn's Ladder, Mary Quite Contrary, Petal Power, Staying Warm CDIII Apples and Bananas, Eating Apples, Keeping the Park Clean, Measuring a Tulip, Oranges for Snacks, Patty's Pennies, Shapes on the Playground
6. How Many Tens? How Many Ones?	use direct, indirect comparison to compare lengths; construct a nonstandard unit to measure length; compare effects of measurement using different size units; communicate need for using standard units focus on moving on a path; visualize, represent path; determine path length by iterating; compare lengths of path	CDI Average Number of Letters, 100th Birthday Celebration, Bug Watching, Coin Combinations, License Plates, Valentine's Day Party Plan, Witches Transportation CDII Dandelion Dilemma, Holiday Fair Shopping Spree, Farmer Brown, Legs, Let's Plan a Party CDIII Baking Brownies, Boots and Hats, Candy Shop Treats, Car Wash, Collecting Seashells, Counting Corners, Crackers, Cut the Sand out of Sandwiches, Eating Apples, Insect Collecting, Keeping the Park Clean, Number Blocks, Socks for Everyone
7. Parts of a Whole, Parts of a Group	Collect, keep track of, organize numerical data; create representations of data; describe, interpret representations Focus on features of data; compare, interpret, hypothesize about data sets Plan a data-analysis project	CDI Bowls of Apples, Easter Baskets, Field Trip, Pieces of Pizza, Pizza Party, Pogs, 100th Birthday Celebration CDII Happy Birthday Abby, Hatching Chicks, Renting Craft Spaces, Share and Share Alike, Sharing Sleds CDIII Feeding Fred, Fudge, No Sand in the Sandwiches, Pizza Time
8. Partners, Teams, and Paper Clips	Sequence events; represent events in time; compare durations of time of a day; learn time notation invent rhythm patterns; communicate with and interpret written symbols and codes	CDI Average Number of Letters, 100th Birthday Celebration, Bug Watching, Coin Combinations, License Plates, Valentine's Day Party Plan, Witches Transportation CDII Dandelion Dilemma, Holiday Fair Shopping Spree, Farmer Brown, Legs, Let's Plan a Party CDIII Baking Brownies, Boots and Hats, Candy Shop Treats, Car Wash, Collecting Seashells, Counting Corners, Crackers, Cut the Sand out of Sandwiches, Eating Apples, Insect Collecting, Keeping the Park Clean, Number Blocks, Socks for Everyone
9. Measuring Length and Time	Sequence events; represent events in time; compare durations of time of a day; learn time notation invent rhythm patterns; communicate with and interpret written symbols and codes	CDI Bug Watching, Eggsactly, Fencing, Hard Workers, How Big is a Foot? Marshmallow Peeps® all in a Row, Piano Schedule, Snail Trails, Wrist Circumference CDII Calendar Problem, Wonderful Leaves CDIII Feeding Fred, On Time, Measuring a Tulip

Investigations in Number, Data and Space Second Grade

Pearson Education, Inc. Copyright 2008

Investigations in Number, Data and Space
Second Grade