ClipArt ETC
Worksheet with multiple number lines for classroom mathematics activities.

Number Line, -50 to 50

Worksheet with multiple number lines for classroom mathematics activities.

Worksheet with multiple number lines for classroom mathematics activities.

Number Line, -50 to 50 by Fives

Worksheet with multiple number lines for classroom mathematics activities.

Worksheet with multiple number lines for classroom mathematics activities.

Number Line, -50 to 50 by Fives

Worksheet with multiple number lines for classroom mathematics activities.

Worksheet with multiple number lines for classroom mathematics activities.

Number Line, -50 to 50 by Tens

Worksheet with multiple number lines for classroom mathematics activities.

Worksheet with multiple number lines for classroom mathematics activities.

Number Line, -75 to 75 by Fives

Worksheet with multiple number lines for classroom mathematics activities.

Worksheet with multiple number lines for classroom mathematics activities.

Number Line, -100 to 100 by Fives

Worksheet with multiple number lines for classroom mathematics activities.

Worksheet with multiple number lines for classroom mathematics activities.

Number Line, -100 to 100 by 20s

Worksheet with multiple number lines for classroom mathematics activities.

Worksheet with multiple number lines for classroom mathematics activities.

Number Line, -1000 to 1000 by 100s

Worksheet with multiple number lines for classroom mathematics activities.

Worksheet with multiple number lines for classroom mathematics activities.

Number Line, 0 to 1 by Tenths

Worksheet with multiple number lines for classroom mathematics activities.

Worksheet with multiple number lines for classroom mathematics activities.

Number Line, 0-10

Worksheet with multiple number lines for classroom mathematics activities.

Worksheet with multiple number lines for classroom mathematics activities.

Number Line, 0-10 in Fourths

Worksheet with multiple number lines for classroom mathematics activities.

Worksheet with multiple number lines for classroom mathematics activities.

Number Line, 1-10 in Halves

Worksheet with multiple number lines for classroom mathematics activities.

Worksheet with multiple number lines for classroom mathematics activities.

Number Line, 0-25

Worksheet with multiple number lines for classroom mathematics activities.

Worksheet with multiple number lines for classroom mathematics activities.

Number Line, 0-100 by Tens

Worksheet with multiple number lines for classroom mathematics activities.

Worksheet with multiple number lines for classroom mathematics activities.

Number Line, 1-5

Worksheet with multiple number lines for classroom mathematics activities.

Worksheet with multiple number lines for classroom mathematics activities.

Number Line, 1-10

Worksheet with multiple number lines for classroom mathematics activities.

A flashcard featuring an illustration of Intersecting Lines

Flashcard of Intersecting Lines

A flashcard featuring an illustration of Intersecting Lines

A flashcard featuring an illustration of a Line

Flashcard of a Line

A flashcard featuring an illustration of a Line

A flashcard featuring an illustration of a Line Segment

Flashcard of a Line Segment

A flashcard featuring an illustration of a Line Segment

A flashcard featuring an illustration of a Parallel Lines

Flashcard of a Parallel Lines

A flashcard featuring an illustration of a Parallel Lines

A flashcard featuring an illustration of Perpendicular Lines

Flashcard of Perpendicular Lines

A flashcard featuring an illustration of Perpendicular Lines

Illustration of a square constructed upon the sum of two straight lines.

Square Constructed Upon the Sum of Two Straight Lines

Illustration of a square constructed upon the sum of two straight lines.

Illustration of a square constructed upon the difference of two straight lines.

Square Constructed Upon Difference of Lines

Illustration of a square constructed upon the difference of two straight lines.

Illustration of a square constructed upon the difference of two straight lines.

Square Constructed Upon Difference of Lines

Illustration of a square constructed upon the difference of two straight lines.

Illustration of a plane rotated about a straight line.

Plane Rotated About a Straight Line

Illustration of a plane rotated about a straight line.

Illustration of a plane determined by 2 intersecting lines

Plane Determined by 2 Intersecting Lines

Illustration of a plane determined by 2 intersecting lines

Illustration of a plane determined by 2 parallel lines

Plane Determined by 2 Parallel Lines

Illustration of a plane determined by 2 parallel lines

The intersection of two planes is a straight line.

Intersecting Planes

The intersection of two planes is a straight line.

If a straight line is perpendicular to each of two other straight lines in a plane at their point of intersection, it is perpendicular to the plane of the two lines.

Line Perpendicular to Plane

If a straight line is perpendicular to each of two other straight lines in a plane at their point of…

Straight line AB is perpendicular to the lines in plane MN at point B.

Line Perpendicular to Plane

Straight line AB is perpendicular to the lines in plane MN at point B.

The intersection of two planes is a straight line.

Intersecting Planes

The intersection of two planes is a straight line.

The intersection of two planes is a straight line.

Intersecting Planes

The intersection of two planes is a straight line.

Oblique lines drawn from a point to a plane.

Oblique Lines Drawn to a Plane

Oblique lines drawn from a point to a plane.

"The locus of a point in space equidistant from the extremities of a straight line is the plane perpendicular to this line at its middle point."

Locus Point to a Plane

"The locus of a point in space equidistant from the extremities of a straight line is the plane perpendicular…

Straight line AB is perpendicular to the lines in plane MN at point B. "If from the foot of a perpendicular to a plane a straight line is drawn at right angles to any line in the plane, the line drawn from its intersection with the line in the plane to any point of the perpendicular is perpendicular to the line of the plane."

Line Perpendicular to Plane

Straight line AB is perpendicular to the lines in plane MN at point B. "If from the foot of a perpendicular…

Two straight lines, AB and CD, perpendicular to the same plane (MN) are parallel.

Lines Perpendicular to Plane

Two straight lines, AB and CD, perpendicular to the same plane (MN) are parallel.

The intersection of two planes is a straight line.

Intersecting Planes

The intersection of two planes is a straight line.

Illustration of two parallel planes. "Two planes perpendicular to the same straight line are parallel."

Parallel Planes

Illustration of two parallel planes. "Two planes perpendicular to the same straight line are parallel."

Two parallel planes cut by a third plane.

Parallel Planes

Two parallel planes cut by a third plane.

Two parallel planes perpendicular to a line (AB). "A straight line perpendicular to one of two parallel planes is perpendicular to the other also."

Parallel Planes

Two parallel planes perpendicular to a line (AB). "A straight line perpendicular to one of two parallel…

Three parallel planes cut by two lines.

Parallel Planes Cut By 2 Lines

Three parallel planes cut by two lines.

Illustration of dihedral angle AB (or M-AB-N) formed by planes.

Dihedral Angle

Illustration of dihedral angle AB (or M-AB-N) formed by planes.

Illustration of adjacent dihedral angles M-AB-N and P-AM-N made by planes.

Adjacent Dihedral Angle

Illustration of adjacent dihedral angles M-AB-N and P-AM-N made by planes.

Illustration of dihedral angle AB formed by planes.

Dihedral Angle

Illustration of dihedral angle AB formed by planes.

Illustration of 2 equal dihedral angles.

Two Equal Dihedral Angles

Illustration of 2 equal dihedral angles.

Illustration of 3 equal dihedral angles. "Two dihedral angles have the same ratio as their plane angles."

Equal Dihedral Angles

Illustration of 3 equal dihedral angles. "Two dihedral angles have the same ratio as their plane angles."

Two intersecting planes on a third plane. "If two intersecting planes are each perpendicular to a third plane, their intersection is also perpendicular to that plane."

Intersecting Planes

Two intersecting planes on a third plane. "If two intersecting planes are each perpendicular to a third…

Illustration of a dihedral angle bisected by a plane. "Every point in a plane which bisects a dihedral angle is equidistant from the faces of the angle."

Dihedral Angle With Bisector

Illustration of a dihedral angle bisected by a plane. "Every point in a plane which bisects a dihedral…

Illustration of a straight line projected upon a plane.

Line Projected Upon Plane

Illustration of a straight line projected upon a plane.

Illustration of polyhedral angle. "The opening of three or more planes which meet at a common point is called a polyhedral angle."

Polyhedral Angle

Illustration of polyhedral angle. "The opening of three or more planes which meet at a common point…

Illustration of two polyhedral angles that are equal.

Equal Polyhedral Angles

Illustration of two polyhedral angles that are equal.

Illustration of two symmetrical polyhedral angles.

Symmetrical Polyhedral Angles

Illustration of two symmetrical polyhedral angles.

Illustration of two vertical dihedral angles.

Vertical Dihedral Angles

Illustration of two vertical dihedral angles.

Trihedral angle. "The sum of any two face angles of a trihedral angle is greater than the third face angle."

Trihedral Angle

Trihedral angle. "The sum of any two face angles of a trihedral angle is greater than the third face…

Illustration of a convex polyhedral angle. "The sum of the face angles of any convex polyhedral angle is less than four right angles."

Convex Polyhedral Angle

Illustration of a convex polyhedral angle. "The sum of the face angles of any convex polyhedral angle…

Illustration used to show that two trihedral angles are equal or symmetrical when the three face angles of the one are respectively equal to the three face angles of the other.

Equal trihedral angles

Illustration used to show that two trihedral angles are equal or symmetrical when the three face angles…

Pattern that can be cut out and folded to construct a regular tetrahedron. Fold on the dotted lines, and keep the edges in contact by the glued strips of paper.

Pattern for Tetrahedron

Pattern that can be cut out and folded to construct a regular tetrahedron. Fold on the dotted lines,…

Pattern that can be cut out and folded to construct a regular hexahedron. Fold on the dotted lines, and keep the edges in contact by the glued strips of paper.

Pattern for Hexahedron

Pattern that can be cut out and folded to construct a regular hexahedron. Fold on the dotted lines,…

Pattern that can be cut out and folded to construct a regular octahedron. Fold on the dotted lines, and keep the edges in contact by the glued strips of paper.

Pattern for Octahedron

Pattern that can be cut out and folded to construct a regular octahedron. Fold on the dotted lines,…

Pattern that can be cut out and folded to construct a regular dodecahedron. Fold on the dotted lines, and keep the edges in contact by the glued strips of paper.

Pattern for Dodecahedron

Pattern that can be cut out and folded to construct a regular dodecahedron. Fold on the dotted lines,…