"Abacus is a Latin term applied to an apparatus used by the Chinese for facilitating arithmetical operations, consisting of a number of parallel cords or wires, upon which balls or beads are strung, the uppermost wire being appropriated to units, the next to tens, &c.-In classic architecture it denotes the tablet forming the upper member of a column, and supporting the entablature. In Gothic architecture the upper member of a column from which the arch springs."—(Charles Leonard-Stuart, 1911)

Abacus

"Abacus is a Latin term applied to an apparatus used by the Chinese for facilitating arithmetical operations,…

A Chinese abacus used to calculate numbers.

Chinese Abacus

A Chinese abacus used to calculate numbers.

Two Chinese men use the abacus to calculate for their business. "The abacus was one of the earliest aids to calculation." -Hill, 1921

Chinese Abacus

Two Chinese men use the abacus to calculate for their business. "The abacus was one of the earliest…

A device used for counting.

Roman Abacus

A device used for counting.

Bilingual Counting Card featuring an illustration of one Florida Alligator.

Bilingual Alligator Counting Card 1

Bilingual Counting Card featuring an illustration of one Florida Alligator.

English Counting Card featuring an illustration of one Florida Alligator.

English Alligator Counting Card 1

English Counting Card featuring an illustration of one Florida Alligator.

Spanish Counting Card featuring an illustration of one Florida Alligator.

Spanish Alligator Counting Card 1

Spanish Counting Card featuring an illustration of one Florida Alligator.

Bilingual Counting Card featuring illustrations of ten Florida Alligators.

Bilingual Alligator Counting Card 10

Bilingual Counting Card featuring illustrations of ten Florida Alligators.

English Counting Card featuring illustrations of ten Florida Alligators.

English Alligator Counting Card 10

English Counting Card featuring illustrations of ten Florida Alligators.

Spanish Counting Card featuring illustrations of ten Florida Alligators.

Spanish Alligator Counting Card 10

Spanish Counting Card featuring illustrations of ten Florida Alligators.

Bilingual Counting Card featuring illustrations of two Florida Alligators.

Bilingual Alligator Counting Card 2

Bilingual Counting Card featuring illustrations of two Florida Alligators.

English Counting Card featuring illustrations of two Florida Alligators.

English Alligator Counting Card 2

English Counting Card featuring illustrations of two Florida Alligators.

Spanish Counting Card featuring illustrations of two Florida Alligators.

Spanish Alligator Counting Card 2

Spanish Counting Card featuring illustrations of two Florida Alligators.

Bilingual Counting Card featuring illustrations of three Florida Alligators.

Bilingual Alligator Counting Card 3

Bilingual Counting Card featuring illustrations of three Florida Alligators.

English Counting Card featuring illustrations of three Florida Alligators.

English Alligator Counting Card 3

English Counting Card featuring illustrations of three Florida Alligators.

Spanish Counting Card featuring illustrations of three Florida Alligators.

Spanish Alligator Counting Card 3

Spanish Counting Card featuring illustrations of three Florida Alligators.

Bilingual Counting Card featuring illustrations of four Florida Alligators.

Bilingual Alligator Counting Card 4

Bilingual Counting Card featuring illustrations of four Florida Alligators.

English Counting Card featuring illustrations of four Florida Alligators.

English Alligator Counting Card 4

English Counting Card featuring illustrations of four Florida Alligators.

Spanish Counting Card featuring illustrations of four Florida Alligators.

Spanish Alligator Counting Card 4

Spanish Counting Card featuring illustrations of four Florida Alligators.

Bilingual Counting Card featuring illustrations of five Florida Alligators.

Bilingual Alligator Counting Card 5

Bilingual Counting Card featuring illustrations of five Florida Alligators.

English Counting Card featuring illustrations of five Florida Alligators.

English Alligator Counting Card 5

English Counting Card featuring illustrations of five Florida Alligators.

Spanish Counting Card featuring illustrations of five Florida Alligators.

Spanish Alligator Counting Card 5

Spanish Counting Card featuring illustrations of five Florida Alligators.

Bilingual Counting Card featuring illustrations of six Florida Alligators.

Bilingual Alligator Counting Card 6

Bilingual Counting Card featuring illustrations of six Florida Alligators.

English Counting Card featuring illustrations of six Florida Alligators.

English Alligator Counting Card 6

English Counting Card featuring illustrations of six Florida Alligators.

Spanish Counting Card featuring illustrations of six Florida Alligators.

Spanish Alligator Counting Card 6

Spanish Counting Card featuring illustrations of six Florida Alligators.

Bilingual Counting Card featuring illustrations of seven Florida Alligators.

Bilingual Alligator Counting Card 7

Bilingual Counting Card featuring illustrations of seven Florida Alligators.

English Counting Card featuring illustrations of seven Florida Alligators.

English Alligator Counting Card 7

English Counting Card featuring illustrations of seven Florida Alligators.

Spanish Counting Card featuring illustrations of seven Florida Alligators.

Spanish Alligator Counting Card 7

Spanish Counting Card featuring illustrations of seven Florida Alligators.

Bilingual Counting Card featuring illustrations of eight Florida Alligators.

Bilingual Alligator Counting Card 8

Bilingual Counting Card featuring illustrations of eight Florida Alligators.

English Counting Card featuring illustrations of eight Florida Alligators.

English Alligator Counting Card 8

English Counting Card featuring illustrations of eight Florida Alligators.

Spanish Counting Card featuring illustrations of eight Florida Alligators.

Spanish Alligator Counting Card 8

Spanish Counting Card featuring illustrations of eight Florida Alligators.

Bilingual Counting Card featuring illustrations of nine Florida Alligators.

Bilingual Alligator Counting Card 9

Bilingual Counting Card featuring illustrations of nine Florida Alligators.

English Counting Card featuring illustrations of nine Florida Alligators.

English Alligator Counting Card 9

English Counting Card featuring illustrations of nine Florida Alligators.

Spanish Counting Card featuring illustrations of nine Florida Alligators.

Spanish Alligator Counting Card 9

Spanish Counting Card featuring illustrations of nine Florida Alligators.

One apple.

One Apple

One apple.

Four apples.

Four Apples

Four apples.

Three apples.

Three Apples

Three apples.

Two apples.

Two Apples

Two apples.

Three balls.

Three Balls

Three balls.

Ten baskets.

Ten Baskets

Ten baskets.

Illustration of children sitting on a bench and standing that can be used to write mathematics story problems involving comparison, taller, shorter, highest, lowest, counting, etc.

Children On A Bench

Illustration of children sitting on a bench and standing that can be used to write mathematics story…

One bird.

One Bird

One bird.

Five birds.

Five Birds

Five birds.

Three birds sitting in a tree.

Three Birds

Three birds sitting in a tree.

Two birds.

Two Birds

Two birds.

Illustration of a child holding blocks that can be used to write mathematics story problems involving addition, subtraction, and counting.

Child Counting Blocks

Illustration of a child holding blocks that can be used to write mathematics story problems involving…

One book.

One Book

One book.

Illustration of a child counting books by twos that can be used to write mathematics story problems involving addition, subtraction, and counting.

Child Counting Books

Illustration of a child counting books by twos that can be used to write mathematics story problems…

Five books.

Five Books

Five books.

Four books.

Four Books

Four books.

Six books.

Six Books

Six books.

Three books, stacked.

Three Books

Three books, stacked.

Three books, standing upright.

Three Books

Three books, standing upright.

Three books, stacked upright against each other.

Three Books

Three books, stacked upright against each other.

A line of boys.

Line of Boys

A line of boys.

Four butterflies.

Four Butterflies

Four butterflies.

Ten butterflies.

Ten Butterfies

Ten butterflies.

A calculating machine

Calculating

A calculating machine

One rocking chair.

One Rocking Chair

One rocking chair.

Three cherries.

Three Cherries

Three cherries.