ClipArt ETC
Spanish Counting Card featuring illustrations of four Starfishes.

Spanish Starfish Counting Card 4

Spanish Counting Card featuring illustrations of four Starfishes.

Spanish Counting Card featuring illustrations of five Starfishes.

Spanish Starfish Counting Card 5

Spanish Counting Card featuring illustrations of five Starfishes.

Spanish Counting Card featuring illustrations of six Starfishes.

Spanish Starfish Counting Card 6

Spanish Counting Card featuring illustrations of six Starfishes.

Spanish Counting Card featuring illustrations of seven Starfishes.

Spanish Starfish Counting Card 7

Spanish Counting Card featuring illustrations of seven Starfishes.

Spanish Counting Card featuring illustrations of eight Starfishes.

Spanish Starfish Counting Card 8

Spanish Counting Card featuring illustrations of eight Starfishes.

Spanish Counting Card featuring illustrations of nine Starfishes.

Spanish Starfish Counting Card 9

Spanish Counting Card featuring illustrations of nine Starfishes.

Spanish Counting Card featuring illustrations of ten Starfishes.

Spanish Starfish Counting Card 10

Spanish Counting Card featuring illustrations of ten Starfishes.

A section across the forearm a short distance below the elbow-joint. R and U, its two supporting bones, the radius and ulna; e, the epidermis, and d, the dermis of the skin; the latter is continuous below with bands of connective tissue, s, which penetrate between and invest the muscles, which are indicated by numbers; n, n, nerves and vessels.

Forearm, Section of

A section across the forearm a short distance below the elbow-joint. R and U, its two supporting bones,…

Two boys playing a game of running and adding three one-digit numbers.

Number Game

Two boys playing a game of running and adding three one-digit numbers.

A decorative banner with a jester holding numbers.

Number Banner

A decorative banner with a jester holding numbers.

Illustration of cards that can be used for a matching game with Roman numerals, English numerals, and words.

Matching Game With Roman Numerals

Illustration of cards that can be used for a matching game with Roman numerals, English numerals, and…

The image represents the horizontal clock face system. The bottom is the firing line and the numbers of the clock references the position of other objects.

Horizontal Clock Face System

The image represents the horizontal clock face system. The bottom is the firing line and the numbers…

"Division of frog's ovum. The numbers indicate the number of cells or blastomeres." -Thomson, 1916

Frog Ovum Division

"Division of frog's ovum. The numbers indicate the number of cells or blastomeres." -Thomson, 1916

A round clock face with numbers showing no time.

Blank Clock

A round clock face with numbers showing no time.

A visual representation of cubing. "In the diagrams, Figure 1 represents 40 cubed and has a content of 64,000 cubic units; Figure 2 represents 3(40 squared x 8) and the contents of these three blocks are 38,400 cubic units; Figure 3 represents 3(40 x 8 squared) and the contents of these blocks are 7,680 cubic units; Figure 4 represents 8 cubed or 512 cubic units." -Foster, 1921

Cubing

A visual representation of cubing. "In the diagrams, Figure 1 represents 40 cubed and has a content…

A cube after additions have been made.

Cube

A cube after additions have been made.

"A bird of the grouse family (Tetraonidae) distinguished from the true grouse by having the toes as well as the tarsi feathered. The willow-ptarmigan or willow-grouse occurs in great abundance in the arctic regions of America and in Norway, whence regions numbers are brought to the London market." -Marshall

Ptarmigan Bird

"A bird of the grouse family (Tetraonidae) distinguished from the true grouse by having the toes as…

An illustration showing how to construct a circle arc without recourse to its center, but its chord AB and height h being given. "With the chord as radius, and A and B as centers, draw the dotted circle arcs AC and BD. Through the point O draw the lines AOo and BOo. Make the arcs Co=Ao and Do=Bo. Divide these arcs into any desired number of equal parts, and number them as shown on the illustration. Join A and B with the divisions, and the crossings of equal numbers are points in the circle arc."

Construction Of A Circle Arc

An illustration showing how to construct a circle arc without recourse to its center, but its chord…

A Chinese abacus used to calculate numbers.

Chinese Abacus

A Chinese abacus used to calculate numbers.

This set of numbers is used by a teacher to help the students practice adding numbers in columns. After they have mastered two numbers, the chart can be pulled down to show columns of three numbers to add and so on.

Roller Chart

This set of numbers is used by a teacher to help the students practice adding numbers in columns. After…

Visualizing measurement with different containers that hold one pint and one quart.

Pints and Quarts

Visualizing measurement with different containers that hold one pint and one quart.

This table wheel would be used to practice the six tables. The teacher would rapidly point to the surrounding numbers and the students would enter. This can be done for addition or multiplication tables.

Table Wheel

This table wheel would be used to practice the six tables. The teacher would rapidly point to the surrounding…

This chart of comparisons can be used with the following questions: "Which line is twice B? Which two added make H? Which line is the difference between F and D? Call A 5; name the others. Call A 6, and name the others." -Foster, 1921

Comparisons Chart

This chart of comparisons can be used with the following questions: "Which line is twice B? Which two…

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…

"Here we see 1/2 of 3/4 lb. of candy= 3/8 lb. candy. Use inch, cubes and pennies to show such relations. Let a child have 20 pennies for his money. Let him show 1/2 of 1/2, 1/2 of 1/5, 1/5 of 1/2, 2/5 of 1/2 of his money, etc." -Foster, 1921

Mixed Numbers

"Here we see 1/2 of 3/4 lb. of candy= 3/8 lb. candy. Use inch, cubes and pennies to show such relations.…

This chart can be used for practice in subtraction. The teacher points to the outside numbers and the student subtracts that by six and recites the answer.

Subtraction Chart

This chart can be used for practice in subtraction. The teacher points to the outside numbers and the…

This chart can be used for practice in subtraction. The teacher points to the outside numbers and the student subtracts that by six and recites the answer.

Subtraction Chart

This chart can be used for practice in subtraction. The teacher points to the outside numbers and the…

The brain and the cranial nerves seen partly in section and partly in side view. Labels: C, convolutions of the cerebrum; Cbl, cerebellum in section; MD medulla oblongata: Sp N, spinal nerve. The numbers indicate the twelve pairs of cranial nerves in order.

Brain and Cranial Nerves

The brain and the cranial nerves seen partly in section and partly in side view. Labels: C, convolutions…

The permanent teeth of the right side. The numbers show at what age they appear. Labels: a, incisors; b, canines; c, premolars; d, molars.

Permanent Teeth

The permanent teeth of the right side. The numbers show at what age they appear. Labels: a, incisors;…

Dorsal or posterior view of the medulla, fourth ventricle, and mesencephalon. Labels: p.n., line of the posterior roots of the spinal nerves; p.m.f., posterior median fissure; f.g., funiculus gracilis; cl., its clava; f.c., funiculus cuneatus; f.R., funiculus of Rolando; r.b., restiform body; c.s., calamus scriptorius; l, section of ligula or taenia; part of choroid plexus is seen beneath t; l.r., lateral recess of the ventricle; str., striae acusticae; i.f., inferior fossa; s.f., posterior fossa; between it and the median sulcus is the fasciculus teres; cbl., cut surface of the cerebellar hemisphere; nd., central or gray matter; s.m.v., superior medullary velum; lng., ligula; s.c.p., superior cerebellar peduncle cut longitudinally; cr., combined section of the three cerebellar peduncles; c.q.s., c.q.i., corpora quadrigemina (superior and inferior); fr., fraenulum; f; f., fibers of the fillet seen on the surface of the tegmentum; c, crusti; l.g., lateral groove; c.g.i, corpus geniculum internus; th., posterior part of the thalamus; p., pineal body. The Roman numbers indicate the corresponding cranial nerves.

Medulla

Dorsal or posterior view of the medulla, fourth ventricle, and mesencephalon. Labels: p.n., line of…

Fourth ventricle with the medulla oblongata and the corpora quadrigemina. The roman numbers indicate superficial origins of the cranial nerves, while the other numbers indicate their deep origins, or the position of their central nuclei. 8, 8', 8", auditory nuclei nerves; t, funiculus teres; A, B, corpora quadrigemina; c.g, corpus geniculatum; p, c, pedunculus cerebri; m, c, p, middle cerebellar peduncle; s, c, p, superior cerebellar peduncle; i, c, p, inferior cerebellar peduncle; l, c, locus caeruleus; e, t, eminentia teres; a, c, ala cinerea; a, n, accessory nucleus; o, obex; c, clava; f, c, funiculus cuneatus; f, g, funiculus gracilis.

Fourth Ventricle with the Medulla Oblongata and the Corpora Quadrigemina

Fourth ventricle with the medulla oblongata and the corpora quadrigemina. The roman numbers indicate…

Section through the macula lutea and fovea centralis of the human retina. Labels: a, fovea; b, descent of the macula towards fovea. The numbers indicate the layers of the retina: 1, membrana limitans interna; 2, optic nerve fibers; 3, layer of ganglionic corpuscles; 4, inner molecular layer; 5, inner nuclear layer; 6, intergranular, internuclear, or outer molecular layer. 7, external nuclear layer; 8, membrana limitans externa; 9, layer of rods and cones; 10, pigment-cell layer.

Layers of the Retina

Section through the macula lutea and fovea centralis of the human retina. Labels: a, fovea; b, descent…

A small electric meter that measures electricity in units called kilowatts-hour. The first meter is in the thousands place and points to 3, the hundreds place points to 6, and the tens place points to 8. The meter reads 3,680 killowatts-hour.

Electric Meter

A small electric meter that measures electricity in units called kilowatts-hour. The first meter is…

A gas meter that measures feet of gas used. The first meter is in the thousands place and points just passed 5, the hundreds place points passed 4, and the tens place points passed 6. The gas meter reads 5,460 feet of gas used.

Gas Meter

A gas meter that measures feet of gas used. The first meter is in the thousands place and points just…

"The species best known is the <em>Alligator Mississippiensis</em>, which is a native of our country. The rivers and marshes of Florida also contain great numbers of alligators.

Alligator

"The species best known is the Alligator Mississippiensis, which is a native of our country.…

"It is a native of the northern regions of both continents, retiring southward as the winter approaches and spreading in great numbers over certain territories."

The Smew

"It is a native of the northern regions of both continents, retiring southward as the winter approaches…

"The Lantern-fly is found in large numbers in South America. This remarkable insect enjoys a great renown by a peculiarity which might be called its specialty - the property of shining by night or in the dark."

Lantern Fly (Fulgora Lanternaria)

"The Lantern-fly is found in large numbers in South America. This remarkable insect enjoys a great renown…

"An insect very common in Havana, Brazil, Guiana and Mexico. It may be seen at night in great numbers amongst the foliage of trees. They sometimes are so numerous that they light up the forests for travelers in those countries where the heat prevents traveling by day."

Cucuyo (Pyrophorus Noctilucus)

"An insect very common in Havana, Brazil, Guiana and Mexico. It may be seen at night in great numbers…

Right half of upper jaw (from below), with the corresponding teeth. The letters and numbers point to the classes of teeth and the numbers in classes.

Upper Jaw with Teeth

Right half of upper jaw (from below), with the corresponding teeth. The letters and numbers point to…

Right half of lower jaw, with the corresponding teeth. The letters and numbers point to the various cusps or their modifications on the different teeth.

Lower Jaw with Teeth

Right half of lower jaw, with the corresponding teeth. The letters and numbers point to the various…

The term Norman architecture is used to categorise styles of Romanesque architecture developed by the Normans in the various lands under their dominion or influence in the 11th and 12th centuries. They introduced large numbers of castles and fortifications including Norman keeps, and at the same time monasteries, abbeys, churches and cathedrals, in a style characterised by the usual Romanesque rounded arches (particularly over windows and doorways) and especially massive proportions compared to other regional variations of the style.

Norman Doorway

The term Norman architecture is used to categorise styles of Romanesque architecture developed by the…

An illustration of a full grown cockchafer larva. The cockchafer (colloquially called may bug, billy witch, or spang beetle, particularly in East Anglia) is a European beetle of the genus Melolontha, in the family Scarabaeidae. Once abundant throughout Europe and a major pest in the periodical years of "mass flight", it had been nearly iradicated in the middle of the 20th century through extensive use of pesticides and has even been locally exterminated in many regions. However, since a change in pest control beginning in the 1980s, its numbers have started to grow again. As they don't tolerate pollution well, their presence is usually a marker of low pollution levels.

Cockchafer Larva

An illustration of a full grown cockchafer larva. The cockchafer (colloquially called may bug, billy…

An illustration of a cockchafer pupa. The cockchafer (colloquially called may bug, billy witch, or spang beetle, particularly in East Anglia) is a European beetle of the genus Melolontha, in the family Scarabaeidae. Once abundant throughout Europe and a major pest in the periodical years of "mass flight", it had been nearly iradicated in the middle of the 20th century through extensive use of pesticides and has even been locally exterminated in many regions. However, since a change in pest control beginning in the 1980s, its numbers have started to grow again. As they don't tolerate pollution well, their presence is usually a marker of low pollution levels.

Cockchafer Pupa

An illustration of a cockchafer pupa. The cockchafer (colloquially called may bug, billy witch, or spang…

An illustration of a cockchafer. The cockchafer (colloquially called may bug, billy witch, or spang beetle, particularly in East Anglia) is a European beetle of the genus Melolontha, in the family Scarabaeidae. Once abundant throughout Europe and a major pest in the periodical years of "mass flight", it had been nearly iradicated in the middle of the 20th century through extensive use of pesticides and has even been locally exterminated in many regions. However, since a change in pest control beginning in the 1980s, its numbers have started to grow again. As they don't tolerate pollution well, their presence is usually a marker of low pollution levels.

Cockchafer

An illustration of a cockchafer. The cockchafer (colloquially called may bug, billy witch, or spang…

The cockchafer (colloquially called may bug, billy witch, or spang beetle, particularly in East Anglia) is a European beetle of the genus Melolontha, in the family Scarabaeidae. Once abundant throughout Europe and a major pest in the periodical years of "mass flight", it had been nearly eradicated in the middle of the 20th century through extensive use of pesticides and has even been locally exterminated in many regions. However, since a change in pest control beginning in the 1980s, its numbers have started to grow again.

Cockchafer

The cockchafer (colloquially called may bug, billy witch, or spang beetle, particularly in East Anglia)…

An illustration of sign language numbers one through one hundred.

Numbers

An illustration of sign language numbers one through one hundred.

"Early Human Embryo, giving diagrammatically the principal vessels antecedent to the establishment of the regular fetal circulation. H, heart; P, lungs; L, liver; T A, the aortic trunk or cardiac aorta; c, c', c", common, external, and internal carotids; s, subclavian artery; v, vertebral artery; 1, 2, 3, 4, 5, the aortic arches (the persistent left aortic arch hidden); A, subvertebral aorta; o, o', omphalomeseraic artery and vein, to and from U, the umbilical vesicle with its vitelline duct, dv; u, u, the two hypogastric or umbilical arteries, with the ramifications, u", u", in the placenta; u', umbilical vein; vh, hepatic vein; cv, inferior vena cava; vil, iliac veins; az, an azygous vein; vc, a posterior cardinal vein; vi, innominate vein; vp, portal vein; Dv, the ductus venosus; DC, a ductus Cuvieri. The anterior cardinal vein is seen beginning in the head and running down to the ductus Cuvieri, on the under side of the numbers 1, 2, 3, 4, 5." -Whitney, 1911

Human Embryo

"Early Human Embryo, giving diagrammatically the principal vessels antecedent to the establishment of…

Illustration showing complex numbers with a modulus equal to unity. The lines representing these numbers terminate in points lying on the circumference of a circle whose radius is unity.

Geometric Inspection of Complex Numbers

Illustration showing complex numbers with a modulus equal to unity. The lines representing these numbers…

Chara vulgaris, a recent calcareous alga (fresh water); sport-vessel with corona. This is frequently found in great numbers in fresh-water limestones, showing their mode of origin.

Chara Vulgaris

Chara vulgaris, a recent calcareous alga (fresh water); sport-vessel with corona. This is frequently…

The star of the Order of the Garter. "Order of the Garter, the highest order of knighthood in Great Britain, consisting of the sovereign, the Prince of Wales, and twenty-four knights companions, and open, in addition, to such English princes and foreign sovereigns as may be chosen, and sometimes to extra companions chosen for special reasons, so that the whole order usually numbers about fifty." -Whitney, 1911

Order of the Garter Star

The star of the Order of the Garter. "Order of the Garter, the highest order of knighthood in Great…

The collar of the Order of the Garter. "Order of the Garter, the highest order of knighthood in Great Britain, consisting of the sovereign, the Prince of Wales, and twenty-four knights companions, and open, in addition, to such English princes and foreign sovereigns as may be chosen, and sometimes to extra companions chosen for special reasons, so that the whole order usually numbers about fifty." -Whitney, 1911

Order of the Garter Collar

The collar of the Order of the Garter. "Order of the Garter, the highest order of knighthood in Great…

"And they returned from searching of the land after forty days." Numbers 13:25 KJV

The Spies Returning from Canaan

"And they returned from searching of the land after forty days." Numbers 13:25 KJV

"And Moses made a serpent of brass, and put it upon a pole, and it came to pass, that if a serpent had bitten any man, when he beheld the serpent of brass, he lived." Numbers 21:9 KJV

The Brazen Serpent

"And Moses made a serpent of brass, and put it upon a pole, and it came to pass, that if a serpent had…

"Then the LORD opened the eyes of Balaam, and he saw the angel of the LORD standing in the way, and his sword drawn in his hand: and he bowed down his head, and fell flat on his face. " Numbers 22:31 KJV

Balaam Met by the Angel of the Lord

"Then the LORD opened the eyes of Balaam, and he saw the angel of the LORD standing in the way, and…

"And Moses did as the LORD commanded him: and he took Joshua, and set him before Eleazar the priest, and before all the congregation: And he laid his hands upon him, and gave him a charge, as the LORD commanded by the hand of Moses." Numbers 27:22-23 KJV

Moses Giving the Charge to Joshua

"And Moses did as the LORD commanded him: and he took Joshua, and set him before Eleazar the priest,…

Barry of seven pieces, argent and azure. When the shield contains a number of bars of metal and colour alternate, exceeding five, it is called barry of so many pieces, expressing their numbers. -Hall, 1862

Shield Showing Gemels

Barry of seven pieces, argent and azure. When the shield contains a number of bars of metal and colour…

"For the king said to Joab the captain of the host, which was with him, Go now through all the tribes of Israel, from Dan even to Beersheba, and number ye the people, that I may know the number of the people." 2 Samuel 24:2 KJV

David Instructing Joab to Number the People

"For the king said to Joab the captain of the host, which was with him, Go now through all the tribes…

Trilobites ("three-lobes") are extinct marine arthropods that form the class Trilobita. Why the trilobites became extinct is not clear. Their numbers began to decrease with the appearance of the first sharks and other early gnathostomes (jawed vertebrates) in the Silurian and their subsequent rise in diversity during the Devonian period. Trilobites may have provided a rich source of food for these new animals.

Dicellocephalus Minnesotenis a Trilobite

Trilobites ("three-lobes") are extinct marine arthropods that form the class Trilobita. Why the trilobites…

Trilobites ("three-lobes") are extinct marine arthropods that form the class Trilobita. Why the trilobites became extinct is not clear. Their numbers began to decrease with the appearance of the first sharks and other early gnathostomes (jawed vertebrates) in the Silurian and their subsequent rise in diversity during the Devonian period. Trilobites may have provided a rich source of food for these new animals. Fossilised trilobites are often found enrolled (curled up) like modern woodlice for protection; evidence suggests enrollment helped protect against exploitation of arthropod cuticle weakness by Anomalocarid predator attacks.

Dicellocephalus Minnesotenis a Trilobite

Trilobites ("three-lobes") are extinct marine arthropods that form the class Trilobita. Why the trilobites…

Mining bees, or digger bees, (familys Andrenidae & Anthophoridae) nest in burrows in the ground. Each mining bee female usually digs her own individual burrow to rear her own young. Large numbers of these bees may nest near one another if soil conditions are suitable.

Mining Bee

Mining bees, or digger bees, (familys Andrenidae & Anthophoridae) nest in burrows in the ground. Each…