Books similar to the following can be used with the lessons in the first grade kit.

Algebra Lessons

Engage Phase of the Learning Cycle

Brown Bear, Brown Bear, What Do You see? by Bill Martin Jr.

Chicka Chicka Boom Boom by John Archambault

The Gingerbread Boy By Paul Galdone

Very Quiet Cricket by Eric Carle

Feast for Ten by Cathryn Falwell

One, Two, Skip a Few!: First Number Rhymes by Roberta Arenson

Apply Phase of the Learning Cycle

In My World by Lois Ehlert

Star in My Orange: Looking for Nature’s Shapes by Dana Meachen Rau

Exactly the Opposite by Tana Hoban

Data Analysis Lessons

Engage Phase of the Learning Cycle

Tools by Ann Morris

My Father’s Boat by Sherry Garland

A Day with Firefighters by Jan Kottke

Shoes from Grandpa by Mem Fox

Each Orange Had 8 Slices by Paul Giganti

The Doorbell Rang by Pat Hutchens

So Many Cats! by Ellen Weis Goldstrom

Apply Phase of the Learning Cycle

The Button Box by Margarette S. Reid

Mr. Tanen's Ties by Maryann Cocca-Leffler

Mr. Tanen’s Tie Trouble by Maryann Cocca-Leffler

Let’s Go Rock Collecting by Noma Gans

Shoes from Grandpa by Mem Fox

Each Orange Had 8 Slices by Paul Giganti

The Doorbell Rang by Pat Hutchens

So Many Cats! by Ellen Weis Goldstrom