Ancillary Resources

The Number Case

The Number Case is packed with over 200 ready-to-use resources. Cases includes multiple representations of number, sharing mats, numeral expanders, mix-and-match cards, and much, much more.

Click on the grade-level buttons below to see the components of
The Number Case.

Grade K

Grade 1

Grade 2

Grade 3

Grade 4

Grade 5

ORIGO Big Books

ORIGO Big Books (12 books per grade) are large-format storybooks that develop and reinforce mathematical language and understanding.

ORIGO Big Books Grade K

The Bug Day Out

Hip Hop Hippos

Scaredy Cats

The Clown’s New Clothes

I Spy

Just A Few More

Mice, Mice Everywhere

Ten Happy Hens

These And Those

I See, You See

The Best Bug

Muddy, Muddy Mess

ORIGO Big Books Grade 1

Gabby The Gator

Cupcake Capers

The Cat Nap

A Piece of Pie

Shoes In Twos

Bear And Badger

Joe’s Carrots

How Many Legs?

Clowning Around

Our Sister’s Surprise

Bears On Buses


ORIGO Big Books Grade 2

The Long,Long Ride

That’s Odd! That’s Even!

Marvin Likes To Measure

The Great Shape Race

The Big Bug Band

A Dozen Dizzy Dinosaurs

A Bear’s Share

Pieces And Parts

Jumping Jacks

The Flower Pot Hen

The Space Party

Stella’s Store

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