apprenticemath

Center of gravity: concept overview & examples

2 ways to convert feet-inches to inches

What's 7.48 mean in conversions of US. gallons and cubic feet?

Screw thread geometry features

Cleaning a steel ruler

Conversion factor 6.25 explained (a.k.a. 6.23)

Instrument readings and elevations math

Decimal inches, fractional inches

Language vs. math in integer operations

4 ways to convert Fahrenheit to Celsius

Measure Amps (non-contact, DC) on a car

Center of gravity: concept overview & examples

Fraction subtraction problem solved

Electricity concepts overview with a model

Multiply and divide deg-min-sec; convert d-m-s to decimal degrees

Convert fractions to decimals in head and by a calculator

What's the deal with ALGEBRA?

If diameter doubles, what happens to raccoons?

What is an RPM?

Fraction addition problem solved

Dividing by n-1 vs. N WHY???

3 ways to convert Celsius to Fahrenheit

Solving a system of inequalities IN A TABLE!

Write algebraic expressions from word problems

Do algebra - without knowing algebra

Speed of travel calculation in wind/current

Solve fraction puzzles

Is a hexagon bigger than a circle?

Convert feet-inches to decimal inches

Capacity conversion factors explained

METRIC prefixes

Softwood vs hardwood

2 ways to convert inches to feet-inches

Read a METRIC tape measure

How to read an inch-based pipe schedule

How to read a METRIC pipe schedule

Distributive Law - explanation with a model

What is a cubic inch?

Stick multiplication with decimals

Motor horsepower vs. Watts

How to read a level

Add and subtract in degrees-minutes-seconds

Integer addition and subtraction - vector model

Read an Architects` scale (decimal)

Surveyors' rod readings - decimals & fractions

Read and write fractions in English

Calculate pitch (screw thread)

Fluid mechanics: pipe size calculations

Place value in decimal numbers - read and write decimals in English

Measurement rules

Read an engineers` tape measure (in decimal feet)