Video

Pythagoras Same Area Example

Pythagoras Same Area Example 2

Pythagoras Same Area Pat Hayes Example

Divide Fractions Example

They mean slightly different things! See also www.mathsisfun.com/accuracy-precision.html

Do the length conversion twice See: www.mathsisfun.com/area-conversion.html

An angle measures the amount of turn. See: www.mathsisfun.com/angles.html

Angles around a point will always add up to 360 degrees. See: www.mathsisfun.com/angle360.html

Angles on one side of a straight line always add to 180 degrees. See: www.mathsisfun.com/angle180.html

How to add and subtract decimals. See: www.mathsisfun.com/adding-decimals.html

www.mathsisfun.com/geometry/dimensions.html The number of dimensions is how many values are needed to locate points on a shape.

www.mathsisfun.com/roman-numerals.html Romans Numerals are based on the following symbols: I for 1, V for 5, X for 10, L for 50, C for 100, D for 500 and M for 1000

www.mathsisfun.com/measure/metric-length.html We can measure how long things are, or how tall, or how far apart they are using: Millimeters Centimeters Meters Kilometers

www.mathsisfun.com/numbers/numbers-numerals-digits.html

Place Value Introduction

Addition Tips and Tricks 2

Addition Tips and Tricks 1

Ordering Numbers

Common Denominators

Number Line Introduction

Geometric Sequences Introduction

Multiplying Negative Numbers

Skip Counting

Area of a Triangle (Base and Height)

Associative Laws

Arithmetic Sequences Introduction

Commutative Laws

Distributive Law

Addition in Columns