This mathematics ClipArt gallery offers 40 illustrations of tools that are used in math: abacuses, steel squares, charts, number operation wheels, etc.

### Chinese Abacus

A Chinese abacus used to calculate numbers.

### Abacus

"A tray strewn with dust or sand, used in ancient times for calculating. A contrivance for calculating,…

### Abacus

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

### Abacus

An instrument for performing arithmetical calculations by means of sliding balls or counters.

### Chinese Abacus

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

### Balance Scale

An illustration of a balance scale.

### Watkins's Factorial Calculator

An aluminum set of disks that correctly finds the time needed to develop photos in solution

### Caliper

A caliper used for measuring the diameter of a circle.

### Chondrometer

A chondrometer is a measuring tool used for weighing seed.

### Comparisons Chart

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

### Concrete to Symbol

This diagram represents a student's thinking and progress in math. The image on the left is concrete…

### Positioning Pen for Constructions

Illustration showing the correct and incorrect position of a right line pen against a T-square, triangle,…

### Density

An illustration of calculating the density of a liquid.

### Dividers

Hairspring dividers are for creating bisectors of circles. They are similar to a compass, but with two…

### Electric Meter

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

### Function Machine

A function machine template with room to enter the function, input, and output.

### Gas Meter

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

### Hand Goniometer

"Goniometer. An instrument for measuring solid angles, or the inclination of planes, particularly the…

### Reflection Goniometer

"Goniometer. An instrument for measuring solid angles, or the inclination of planes, particularly the…

### Hundredweight

Hundred weight or hundredweight is a unit of measurement for mass in U.S. customary units and was historically…

### Irregular Curves

"Curves other than arcs of circles are drawn with the pencil or ruling pen by means of curved or irregular-shaped…

### Multiples

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

### Number Wheels

Addition, subtraction, and multiplication wheels students use to spin and find the solutions.

### Pantograph

An instrument for making a reduced, enlarged, or exact copy of a plane figure

### Amsler Polar Planimeter to Find Area of Indicator Diagram

An Amsler Polar Planimeter instrument used to measure the area of an arbitrary shape. The planimeter…

### Napier's Rods

Special rods used for multiplication, division, and extracting square roots.

### Roller Chart

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

### Marker for Slide Rules

The slide rule, also known colloquially as a slip stick, which is a mechanical analog computer. The…

### Sector

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

### Sextant

"Sextant. An important instrument of navigation and surveying, for measuring the angular distance of…

### Comparison Of Units Of Square Measure

Illustration comparing the fundamental units of measure 1 square yard and 1 square meter.

### Steel Square

Illustration of steel square.

### Steel Square

Illustration of steel square with hypotenuse drawn.

### Steel Square

Illustration of steel square with bevel/slant.

### Subtraction Chart

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

### Subtraction Chart

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

### Table Wheel

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

### Chart Tally

A tally chart is a method of recording data using stroke marks.

### Troy Weight

Troy weight is a system of units of mass customarily used for precious metals, black powder, and gemstones.

### Comparison of Units of Weight

Illustration comparing the fundamental units of measure ounces to grams and pounds to kilograms.