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"A pile of wood 1 ft. long, 4 ft. wide, and 4 ft. high, or 1/8 of a cord, is called a cord foot. Find the number of cords of wood in a pile of 25ft. long, 4 ft. wide, and 6 ft high. (Solution: 4 and 11/16)" -Moore, 1907

Cord Foot of Wood

"A pile of wood 1 ft. long, 4 ft. wide, and 4 ft. high, or 1/8 of a cord, is called a cord foot. Find…

"The Earth, whose diameter is 7,912 miles, is represented by the globe, or sphere. The straight line passing through its center, and about which it turns, is called its axis, and the two extremities of the axis are the poles of the Earth, A being the north pole, and B the south pole. The line C D, crossing the axis, passes quite round the Earth, and divides it into two equal parts. This is called the equinoctial line, or the equator. That part of the Earth situated north of this line, is caled the northern hemisphere, and that part south of it, the southern hemisphere. The small circles E F and G H, surrounding or including the poles, are called the polar circles." —Comstock, 1850

Earth Divisions

"The Earth, whose diameter is 7,912 miles, is represented by the globe, or sphere. The straight line…

An illustration of the reproduction of an individual Euplotes Harpa by simple division.

Reproduction of an Individual Euplotes Harpa

An illustration of the reproduction of an individual Euplotes Harpa by simple division.

An illustration of the reproduction of an individual Euplotes Harpa by simple division.

Reproduction of an Individual Euplotes Harpa

An illustration of the reproduction of an individual Euplotes Harpa by simple division.

A flashcard featuring a math symbol for Division

Flashcard of a math symbol for Division

A flashcard featuring a math symbol for Division

"The hides now come to be trimmed and prepared for tanning in the shape in which they are intended ultimately to be sent into the market. An entire untrimmed hide is termed a crop; a side is half a crop, the dividing line of the two sides being shown at EF; a butt is the back portion ABCD, and a bend is half a butt ABFE. G, G are belly pieces, and H, H the cheeks, both together being the offal. When the shoulder (the upper part of the butt) is removed, what remains is the short butt." —The Encyclopedia Britannica, 1910

Hide Divisions

"The hides now come to be trimmed and prepared for tanning in the shape in which they are intended ultimately…

A line angled for dividing a field. "Escutcheons that have more than one tincture are divided by lines ... Curved and angular lines are numerous, and each has an Heraldic name expressive of its form." -Hall, 1862

Line Angled

A line angled for dividing a field. "Escutcheons that have more than one tincture are divided by lines…

A line arched or enarched for dividing a field. "Escutcheons that have more than one tincture are divided by lines ... Curved and angular lines are numerous, and each has an Heraldic name expressive of its form." -Hall, 1862

Line Arched

A line arched or enarched for dividing a field. "Escutcheons that have more than one tincture are divided…

A line bevilled for dividing a field. "Escutcheons that have more than one tincture are divided by lines ... Curved and angular lines are numerous, and each has an Heraldic name expressive of its form." -Hall, 1862

Line Bevilled

A line bevilled for dividing a field. "Escutcheons that have more than one tincture are divided by lines…

A line dancette for dividing a field. "Escutcheons that have more than one tincture are divided by lines ... Curved and angular lines are numerous, and each has an Heraldic name expressive of its form." -Hall, 1862

Line Dancette

A line dancette for dividing a field. "Escutcheons that have more than one tincture are divided by lines…

A line double arched for dividing a field. "Escutcheons that have more than one tincture are divided by lines ... Curved and angular lines are numerous, and each has an Heraldic name expressive of its form." -Hall, 1862

Line Double Arched

A line double arched for dividing a field. "Escutcheons that have more than one tincture are divided…

A line dove-tailed for dividing a field. "Escutcheons that have more than one tincture are divided by lines ... Curved and angular lines are numerous, and each has an Heraldic name expressive of its form." -Hall, 1862

Line Dove-Tailed

A line dove-tailed for dividing a field. "Escutcheons that have more than one tincture are divided by…

A line embattled or crenelle for dividing a field. "Escutcheons that have more than one tincture are divided by lines ... Curved and angular lines are numerous, and each has an Heraldic name expressive of its form." -Hall, 1862

Line Embattled

A line embattled or crenelle for dividing a field. "Escutcheons that have more than one tincture are…

A line embattled grady or battled embattled for dividing a field. "Escutcheons that have more than one tincture are divided by lines ... Curved and angular lines are numerous, and each has an Heraldic name expressive of its form." -Hall, 1862

Line Embattled Grady

A line embattled grady or battled embattled for dividing a field. "Escutcheons that have more than one…

A line engrailed for dividing a field. "Escutcheons that have more than one tincture are divided by lines ... Curved and angular lines are numerous, and each has an Heraldic name expressive of its form." -Hall, 1862

Line Engrailed

A line engrailed for dividing a field. "Escutcheons that have more than one tincture are divided by…

A line escartelle for dividing a field. "Escutcheons that have more than one tincture are divided by lines ... Curved and angular lines are numerous, and each has an Heraldic name expressive of its form." -Hall, 1862

Line Escartelle

A line escartelle for dividing a field. "Escutcheons that have more than one tincture are divided by…

A line indented for dividing a field. "Escutcheons that have more than one tincture are divided by lines ... Curved and angular lines are numerous, and each has an Heraldic name expressive of its form." -Hall, 1862

Line Indented

A line indented for dividing a field. "Escutcheons that have more than one tincture are divided by lines…

A line invected for dividing a field. "Escutcheons that have more than one tincture are divided by lines ... Curved and angular lines are numerous, and each has an Heraldic name expressive of its form." -Hall, 1862

Line Invected

A line invected for dividing a field. "Escutcheons that have more than one tincture are divided by lines…

A line nebule for dividing a field. "Escutcheons that have more than one tincture are divided by lines ... Curved and angular lines are numerous, and each has an Heraldic name expressive of its form." -Hall, 1862

Line Nebule

A line nebule for dividing a field. "Escutcheons that have more than one tincture are divided by lines…

A line nowy or franché for dividing a field. "Escutcheons that have more than one tincture are divided by lines ... Curved and angular lines are numerous, and each has an Heraldic name expressive of its form." -Hall, 1862

Line Nowy

A line nowy or franché for dividing a field. "Escutcheons that have more than one tincture are…

A line potent for dividing a field. "Escutcheons that have more than one tincture are divided by lines ... Curved and angular lines are numerous, and each has an Heraldic name expressive of its form." -Hall, 1862

Line Potent

A line potent for dividing a field. "Escutcheons that have more than one tincture are divided by lines…

A line radient for dividing a field. "Escutcheons that have more than one tincture are divided by lines ... Curved and angular lines are numerous, and each has an Heraldic name expressive of its form." -Hall, 1862

Line Radient

A line radient for dividing a field. "Escutcheons that have more than one tincture are divided by lines…

A line urdée for dividing a field. "Escutcheons that have more than one tincture are divided by lines ... Curved and angular lines are numerous, and each has an Heraldic name expressive of its form." -Hall, 1862

Line Urdée

A line urdée for dividing a field. "Escutcheons that have more than one tincture are divided…

A line wavy or undé for dividing a field. "Escutcheons that have more than one tincture are divided by lines ... Curved and angular lines are numerous, and each has an Heraldic name expressive of its form." -Hall, 1862

Line Wavy

A line wavy or undé for dividing a field. "Escutcheons that have more than one tincture are divided…

This machine is used for multiplication, and division purposes. Multiplication is the mathematical operation of scaling one number by another. It is one of the four basic operations in elementary arithmetic. Conceptually, division describes two distinct but related settings. Partitioning involves taking a set of size a and forming b groups that are equal in size. The size of each group formed, c, is the quotient of a and b. Quantitate division involves taking a set of size a and forming groups of size b. The number of groups of this size that can be formed, c, is the quotient of a and b

Multiplying or Dividing Machine

This machine is used for multiplication, and division purposes. Multiplication is the mathematical operation…

A girl doing math problems on the chalkboard.

Math

A girl doing math problems on the chalkboard.

"Indirect or mitotic division; A, resting mother nucleus; B, coil stage, with the centrosomes separating; C, D (metaphase), and H, stages in the division of the chromosomes; F, diastroid (anaphase) stage; G and H show the return of the daughter nuclei to the coil and to the resting condition, and division of the cytoplasm, and the formation of the dividing wall: c, centrospheres; cl, chromatin coil; chr, chromosomes; nu., nucleus; n, nucleoius; sp, nuclear spindle; w, cell wall." — Galloway

Mitotic Division

"Indirect or mitotic division; A, resting mother nucleus; B, coil stage, with the centrosomes separating;…

The circle of multiples can be used as a practice game in class. The outside ring are multiples and the inner ring are factors. n represents the other factor. The teacher points to a set of numbers and students replace n with the other factor. For instance, if 72 is chosen, 8 is the factor, and n would be 9.

Multiples

The circle of multiples can be used as a practice game in class. The outside ring are multiples and…

"Quarterly per pale dove-tailed, or and gules. DOVETAILED. A term borrowed from carpentry to show tinctures joined together by reversed wedges, which, being shaped like doves' tails, are by joiners called dovetailing." -Hall, 1862

Quarterly Dove-Tailed

"Quarterly per pale dove-tailed, or and gules. DOVETAILED. A term borrowed from carpentry to show tinctures…

The sector is a hinged rule with scales used for various mathematical calculations.

Sector

The sector is a hinged rule with scales used for various mathematical calculations.

A curvy bouche heraldic shield with a base division.

Bouche Shield

A curvy bouche heraldic shield with a base division.

A heraldic bouche-shaped shield with a base division.

Bouche Shield

A heraldic bouche-shaped shield with a base division.

A curvy bouche shield with a per pale division.

Curvy Bouche Shield

A curvy bouche shield with a per pale division.

A pointed heraldic shield with a base division.

Pointed Shield

A pointed heraldic shield with a base division.

A spiked bouche heraldic shield with a per pale division.

Spiked Bouche Shield

A spiked bouche heraldic shield with a per pale division.

An illustration of the division of a zygote of Cyclospora Cayetanensis into two sporoblasts.

Division of Zygote

An illustration of the division of a zygote of Cyclospora Cayetanensis into two sporoblasts.