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Click on the link of a grade listed below to access its alignment:
Kindergarten
Grade One
Grade Two
Grade Three
Grade Four
Grade Five
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Investigations in Number, Data and Space
Second Grade
Dale Seymore Publications. Copyright 1998, 2004, 2006
| Mathematical Thinking at Grade 2 |
- 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
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CDI
Muffins, Piggy Bank, Paleontologist, Ten Feet Apartment, Frog and Toad, Canoe Trip, Darts, Six-Pack of Soda
CDII
Chaperones, Dandelion Dilemma, Flies and Frogs, Let's Play, Someone's Been Eating My Porridge!
Volume 9
Pennies for Patty (introductory), Baking Brownies, Drawing Apples
Volume 10
Number Blocks, The Ball Cart, Oranges for Snacks, Peg's Purple Pebbles, Picking Up Shapes, Stars |
| Coins, Coupons and Combinations |
- 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
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CDI
Birthday Gift Shopping, Coin Combinations, Coins, Stacking Caps, Another Domino Dilemma, Ten Feet Apartment, Bug Watching
CDII
Seedlings to Timber, Mary Quite Contrary, How Does Your Garden Grow? Sweet Sale
Volume 9
Piggy Bank
Volume 10
Feeding the Goats, Hopping Henry, Sally's Marble Collection, The School Store, The Ball Cart, Birds in the Spring, Books, Books, Books, Car Wash, Oranges for Snacks, Stars |
| Does It Walk, Crawl, or Swim? |
- 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
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CDI
Chip Chance, Field Trip, Sink or Float, Space Creatures
CDII
Finicky Cat, Ice Cream |
| Shapes, Halves, and Symmetry |
- 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
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CDI
Bowls of Apples, Geometry, Paleontologist, Pentomino Problem, Seats and Tables,
CDII
Happy Birthday, Abby, Hatching Chicks, Renting Craft Space, A Shower of Shapes, Pizza Party
Volume 9
Baking Brownies, Fudge, Prisms, Pretty Shapes, Pizza Time
Volume 10
How Many Apples? |
| Putting Together and Taking Apart |
- 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
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CDI
Average Number of Letters, 100th Birthday Celebration, Valentine's Day Party Plan, Witches Transportation
CDII
Holiday Fair Shopping Spree
Volume 9
Socks for Everyone, Collecting Shells
Volume 10
Dinosaur Models, Feeding the Goats, Number Blocks, The School Store, The Ball Cart, Books, Books, Books, Car Wash |
| How Long? How Far? |
- 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
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CDI
Fencing, Hard Workers, How Big is a Foot? Marshmallow Peeps® all in a Row, Snail Trails, Wrist Circumference
CDII
Wonderful Leaves
Volume 9
Measuring a Tulip |
| How Many Pockets? How Many Teeth? |
- 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
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CDI
Easter Baskets, Number Cube Game, Stacking Caps, Typical Objects, Valentine M&M® Problem
CDII
Finicky Cat, Ice Cream, Perplexing Palindrome Problem
Volume 9
Feeding Fred |
| Timelines and Rhythm Patterns |
- 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
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CDI
Eggsactly, Piano Schedule
CDII
Let's Plan a Party, Calendar Problem, Eating Jellybeans
Volume 9
On Time, Michael's Minutes
Volume 10
Lots of Reading, Birds in the Spring |
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