Illustration of a child reading at school at 11:00. It can be used to write mathematics story problems involving telling time and roman numerals.

Telling Time 11:00 Story Problem

Illustration of a child reading at school at 11:00. It can be used to write mathematics story problems…

Illustration of a child running at 12:00 noon. It can be used to write mathematics story problems involving telling time and roman numerals.

Telling Time 12:00 Noon Story Problem

Illustration of a child running at 12:00 noon. It can be used to write mathematics story problems involving…

Illustration of a child walking at 1:00. It can be used to write mathematics story problems involving telling time and roman numerals.

Telling Time 1:00 Story Problem

Illustration of a child walking at 1:00. It can be used to write mathematics story problems involving…

Illustration of a child writing roman numerals at 2:00. It can be used to write mathematics story problems involving telling time and roman numerals.

Telling Time 2:00 Story Problem

Illustration of a child writing roman numerals at 2:00. It can be used to write mathematics story problems…

Illustration of a child making a clock face at 3:00. It can be used to write mathematics story problems involving telling time and roman numerals.

Telling Time 3:00 Story Problem

Illustration of a child making a clock face at 3:00. It can be used to write mathematics story problems…

Illustration of a child hugging his mother at 4:00. It can be used to write mathematics story problems involving telling time and roman numerals.

Telling Time 4:00 Story Problem

Illustration of a child hugging his mother at 4:00. It can be used to write mathematics story problems…

Illustration of a child hauling wood at 5:00. It can be used to write mathematics story problems involving telling time and roman numerals.

Telling Time 5:00 Story Problem

Illustration of a child hauling wood at 5:00. It can be used to write mathematics story problems involving…

Illustration of a child running with a pail at 6:00. It can be used to write mathematics story problems involving telling time and roman numerals.

Telling Time 6:00 Story Problem

Illustration of a child running with a pail at 6:00. It can be used to write mathematics story problems…

Illustration of a child playing toy soldiers at 7:00. It can be used to write mathematics story problems involving telling time and roman numerals.

Telling Time 7:00 Story Problem

Illustration of a child playing toy soldiers at 7:00. It can be used to write mathematics story problems…

Illustration of a child yawning at 8:00. It can be used to write mathematics story problems involving telling time and roman numerals.

Telling Time 8:00 Story Problem

Illustration of a child yawning at 8:00. It can be used to write mathematics story problems involving…

Illustration of a child sleeping all night: 9:00pm to 7:00am. It can be used to write mathematics story problems involving telling time and roman numerals.

Telling Time 9:00pm to 7:00am Story Problem

Illustration of a child sleeping all night: 9:00pm to 7:00am. It can be used to write mathematics story…

"Roman snail (Helix pomatia). Note shell covering visceral hump; p.ap., pulmonary aperture (including anus and opening of ureter); f., the foot; g.ap., genital aperture; m., mouth; e., eye on long horn; s.h., one of short horns." -Thomson, 1916

Roman Snail

"Roman snail (Helix pomatia). Note shell covering visceral hump; p.ap., pulmonary aperture (including…

"Reproductive organs of Helix pomatia. O.T., Ovotestis; H.D., hermaphrodite duct; A.G., albumen gland; F.D., female side of common duct; M.D., male side of common duct; O., oviduct; R.S., receptaculum seminis; M.G., mucus glands; D.S., dart-sac; V.D., vas deferens; FL., flagellum; P., penis; M., retractor muscle of penis; AP., genital aperture." -Thomson, 1916

Snail Reproductive Organs

"Reproductive organs of Helix pomatia. O.T., Ovotestis; H.D., hermaphrodite duct; A.G., albumen gland;…

"Snail (Helix pomatia) laying its eggs." -Thomson, 1916

Roman Snail Eggs

"Snail (Helix pomatia) laying its eggs." -Thomson, 1916

"Restored skeleton of Palaeospondylus gunni. d.c., Cirri of dorsal margin; l.c., long lateral cirri; v.c., cirri of ventral margin; n., nasal ring; t.p., anterior trabeculo-palatine part of cranium; b., anterior depression or fenestra; c., posterior depression or fenestra; a., lobe divided off from anterior part; p.a., posterior or parachordal part of cranium; x., post-occipital plates." -Thomson, 1916

Palaeospondylus Gunni

"Restored skeleton of Palaeospondylus gunni. d.c., Cirri of dorsal margin; l.c., long lateral cirri;…

The prehistoric armored fish, Pterichthys milleri.

Pterichthys Milleri

The prehistoric armored fish, Pterichthys milleri.

"Archaeopteryx lithographica, an early reptilian Bird." -Galloway, 1915

Archaeopteryx

"Archaeopteryx lithographica, an early reptilian Bird." -Galloway, 1915

"Hastate.--Formed like the head of an ancient halbert." -Newman, 1850

Hastate

"Hastate.--Formed like the head of an ancient halbert." -Newman, 1850

A round clock face with roman numerals showing no time.

Blank Clock

A round clock face with roman numerals showing no time.

Of the Composite family (Compositae), the Roman wormwood (Ambrosia artemisiaefolia).

Roman Wormwood

Of the Composite family (Compositae), the Roman wormwood (Ambrosia artemisiaefolia).

"Rough Neolithic implement, from Pressigny." -Taylor, 1904

Neolithic Stone Tool

"Rough Neolithic implement, from Pressigny." -Taylor, 1904

"Flint arrow-head (Neolithic)." -Taylor, 1904

Flint Arrowhead

"Flint arrow-head (Neolithic)." -Taylor, 1904

Three views of a rostro-carinate (earliest period) Paleolithic stone implement. All roughly drawn to scale.

Paleolithic Stone

Three views of a rostro-carinate (earliest period) Paleolithic stone implement. All roughly drawn to…

Chopping tools used as hand axes in the Chellean age.

Chellean Age Chopping tools

Chopping tools used as hand axes in the Chellean age.

Three pictures of early stone implements during the Mousterian age.

Mousterian Age stone implements

Three pictures of early stone implements during the Mousterian age.

Early stone implements use by true men during the Reindeer age. These stones include scrapers and points.

Reindeer Age Stone Implements

Early stone implements use by true men during the Reindeer age. These stones include scrapers and points.

The head of a Cro-Magnon man during the Paleolithic age. Cro-Magnon men were the first true men.

Cro-Magnon Man

The head of a Cro-Magnon man during the Paleolithic age. Cro-Magnon men were the first true men.

Five different reindeer horn. Crafted during the Reindeer age.

Reindeer age articles, Reindeer horns

Five different reindeer horn. Crafted during the Reindeer age.

Pebble cup mortar. Crafted during the Reindeer age.

Reindeer age articles, Pebble cup mortar

Pebble cup mortar. Crafted during the Reindeer age.

Bone points and bone needles. Crafted during the Reindeer age.

Reindeer age articles, Bone points and needles

Bone points and bone needles. Crafted during the Reindeer age.

Throwing sticks made from reindeer horn. Crafted during the Reindeer age.

Reindeer age articles, Throwing sticks

Throwing sticks made from reindeer horn. Crafted during the Reindeer age.

Arrow straighteners made from reindeer horns. Crafted during the Reindeer age.

Reindeer age articles, Arrow Straighteners

Arrow straighteners made from reindeer horns. Crafted during the Reindeer age.

A throwing stick being used by Australian natives. Crafted during the Reindeer age.

Reindeer age articles, Throwing stick being used

A throwing stick being used by Australian natives. Crafted during the Reindeer age.

Some reptiles of the Late Paleozoic Age. The six-foot man is drawn to the same scale as the other animals.

Reptiles of the late Paleozoic age

Some reptiles of the Late Paleozoic Age. The six-foot man is drawn to the same scale as the other animals.

Some Mesozoic reptiles. Shown are the Brontosaurus, Stegosaurus, Pterodactyl, Camptosaurus, and the Diplodocus. The six-foot man is drawn to the same scale as the other animals.

Mesozoic Age Reptiles

Some Mesozoic reptiles. Shown are the Brontosaurus, Stegosaurus, Pterodactyl, Camptosaurus, and the…

Some Late Mesozoic reptiles. Shown are the Tyrannosaurus, Trachodon, Triceratops, Pterodactyls, and the Archaeopteryx. The six-foot man is drawn to the same scale as the other animals.

Late Mesozoic Age Reptiles

Some Late Mesozoic reptiles. Shown are the Tyrannosaurus, Trachodon, Triceratops, Pterodactyls, and…

Mammals from the Oligocene age. Shown are the Titanothere, Entelodont, Hyracodon, Uintathere, and the Hyaenodou. The six-foot man is drawn to the same scale as the other animals.

Mammals from the Oligocene Mammals

Mammals from the Oligocene age. Shown are the Titanothere, Entelodont, Hyracodon, Uintathere, and the…

A Reindeer age masterpiece painting in four colours of a buffalo. Painted in the Cave of Altamira in Spain.

Reindeer Age Cave painting

A Reindeer age masterpiece painting in four colours of a buffalo. Painted in the Cave of Altamira in…

Reindeer Age (Aurignacian) Engravings and Carvings. Shown are engravings of stage and salmon, engraved on reindeer horn, engraved stone, head of a women carved in ivory, horses head carved in ivory, stone statuettes, and painted pebbles (Azilian age).

Reindeer Age Engravings and Carvings

Reindeer Age (Aurignacian) Engravings and Carvings. Shown are engravings of stage and salmon, engraved…

Neolithic age pottery from lake dwelling. Not drawn to scale.

Neolithic Age Pottery

Neolithic age pottery from lake dwelling. Not drawn to scale.

Neolithic age hut urns. The first drawing probably representing a lake dwelling. Not drawn to scale.

Neolithic Age Hut Urns

Neolithic age hut urns. The first drawing probably representing a lake dwelling. Not drawn to scale.

A dagger from the Bronze Age. Not drawn to scale.

Bronze Age Dagger

A dagger from the Bronze Age. Not drawn to scale.

A bronze 'lur' trumpet from the Bronze Age. Not drawn to scale.

Bronze Age Bronze Trumpet

A bronze 'lur' trumpet from the Bronze Age. Not drawn to scale.

A sword and scabbard from the Bronze Age. Not drawn to scale.

Bronze Age Sword and Scabbard

A sword and scabbard from the Bronze Age. Not drawn to scale.

Pottery from the Bronze Age. Not drawn to scale.

Bronze Age Pottery

Pottery from the Bronze Age. Not drawn to scale.

"Palaeolithic Flint Implements from Kent's Cavern, Torquay." -Taylor, 1904

Flint Stone Tools

"Palaeolithic Flint Implements from Kent's Cavern, Torquay." -Taylor, 1904

"Portion of Core, from which flint knives have been chipped; Kent's Cavern." -Taylor, 1904

Flint

"Portion of Core, from which flint knives have been chipped; Kent's Cavern." -Taylor, 1904

"Neolithic implement, Mildenhall, Suffolk." -Taylor, 1904

Neolithic Tool

"Neolithic implement, Mildenhall, Suffolk." -Taylor, 1904

"Ancient Neolithic Flint Knife." -Taylor, 1904

Neolithic Flint Knife

"Ancient Neolithic Flint Knife." -Taylor, 1904

"Polished stone celts (later date), from Cambridgeshire." -Taylor, 1904

Stone Celts

"Polished stone celts (later date), from Cambridgeshire." -Taylor, 1904

"Stone Celt (Neolithic), mounted in wooden haft, showing how these implements were used. The haft and weapon preserved in peat, Cumberland." -Taylor, 1904

Stone Celt

"Stone Celt (Neolithic), mounted in wooden haft, showing how these implements were used. The haft and…

An Assyrian King and his chief Minister.

Assyrian King and his Chief Minster

An Assyrian King and his chief Minister.

Two Scythians are kneeling and resting. This is one of the few existing representations of the ancient Scythians. Found on a Greek Electrum Vase.

Scythians on a Greek Vase

Two Scythians are kneeling and resting. This is one of the few existing representations of the ancient…

Two Scythians tying a rope. This is one of the few existing representations of the ancient Scythians. Found on a Greek Electrum Vase.

Scythians on a Greek Vase

Two Scythians tying a rope. This is one of the few existing representations of the ancient Scythians.…

A monument of Athenian foot soldier, found near Marathon.

Monument of a Greek Solider

A monument of Athenian foot soldier, found near Marathon.

A Tetradrachm (which is an ancient Greek coin) with the head of Seleucus.

Tetradrachm of Seleucus

A Tetradrachm (which is an ancient Greek coin) with the head of Seleucus.

Roman coin struck to commemorate the victory over Pyrrhus and his elephants.

Victory Coin over Pyrrhus

Roman coin struck to commemorate the victory over Pyrrhus and his elephants.

Two Carthaginian coins. Front and back of each.

Carthaginian Coins

Two Carthaginian coins. Front and back of each.

Roman political leader, Julius Caesar.

Julius Caesar

Roman political leader, Julius Caesar.

Four Roman Gladiators with Armor.

Roman Gladiators

Four Roman Gladiators with Armor.