Steroids. They've caused global scandals. They're banned in most athletic competitions. Yet the same properties that help elite athletes and bodybuilders improve performance also make steroids valuable for treating many illnesses and...

It turns out this common phrase might have more of a basis in truth than you thought!

Howcast - Learn what to expect after a vaginal or cesarean birth from childbirth expert Elizabeth Mangum-Sarach in this Howcast video.

Pupil outcome: I can understand the nature of enlargements and appreciate what changes and what is invariant Key learning points: - An enlargement means a change in size. - The lengths of the lines may change when enlarged. - The angles...

Pupil outcome: I can use my knowledge of similarity to solve problems. Key learning points: - A scaled version of a shape is very useful. - Being able to scale the perimeter can reduce the number of calculations. - Enlargement...

Pupil outcome: I can understand the effect of an enlargement on the volume of a 3D shape. Key learning points: - An enlargement means the object and image are similar. - All lengths in the object have been multiplied by the scale factor....

Pupil outcome: I can describe an enlargement and perform a given enlargement on an object. Key learning points: - Each length in the shape is multiplied by the scale factor. - Each vertex in the object is a given distance from the centre...

Pupil outcome: I can perform a given enlargement on an object. Key learning points: - Each length in the shape is multiplied by the scale factor. - Each vertex in the object is a given distance from the centre of enlargement. - This...

Pupil outcome: I can describe an enlargement and perform a given enlargement on an object. Key learning points: - Each length in the shape is multiplied by the scale factor. - Each vertex in the object is a given distance from the centre...

Pupil outcome: I can describe an enlargement. Key learning points: - If the image is the opposite side of the centre of enlargement and rotated 180°, there is a negative scale factor. - If the image has changed size, there has been an...

Pupil outcome: I can calculate the scale factor used to enlarge a volume and use it to find missing lengths. Key learning points: - You can calculate the scale factor from the two volumes. - Having calculated the scale factor, you can...

Pupil outcome: I can understand the effect of an enlargement on the area of a shape. Key learning points: - An enlargement means the object and image are similar. - All lengths in the object have been multiplied by the scale factor. -...

Pupil outcome: I can calculate the scale factor used to enlarge an area and use it to find missing lengths. Key learning points: - You can calculate the scale factor from the two areas. - Having calculated the scale factor, you can find...

Pupil outcome: I can understand the effect of an enlargement on the perimeter of a shape. Key learning points: - An enlargement means the object and image are similar. - All lengths in the object have been multiplied by the scale factor....

Pupil outcome: I can use my knowledge of similarity to solve problems. Key learning points: - A scaled version of a shape/object is very useful. - Being able to scale the perimeter/area/volume can reduce the number of calculations. -...

Pupil outcome: I can recognise that similar shapes have sides in proportion to each other but angle sizes are preserved. Key learning points: - An enlargement means a change in size. - The lengths of the lines may change when enlarged. -...

Put your math skills to the test with transformation mazes! Learn how to navigate shapes through a maze using translations, rotations, reflections, and enlargements. We’ll solve one maze together and then challenge you to try one on your...

See how two simple mathematical principles allowed artists to create the feeling of space within two-dimensional paintings. Maths - Space A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s context...

Though the world's first model aircraft, a Spitfire, was built in a scale of 1:75, the resulting model would fit into the full-size equivalent more than 370,000 times over. Discover how scale is calculated in three dimensions. Maths -...

An international team of archaeologists face a unique challenge to build a replica of the Pharaoh Queen's famous ship, based only on an ancient scale drawing. Maths - Space A Twig Math Film. Reinforce and extend the learning required by...

This video explains how to understand the four transformations in maths: translation, rotation, reflection, and enlargement. Two sets of practice questions are provided at the end of the video: performing and describing transformations.

In this video, the teacher explains the four types of transformations in math - translation, reflection, rotation, and dilation. They then use a given problem to demonstrate how to identify a transformation that would result in a similar...

This CTE Health Sciences video covers proper use, pronunciation and definitions of medical terminology pertaining to the Endocrine System. Rather than opening up a book and trying to learn all the medical terminology out there; CTE...

👉 Learn about dilations. Dilation is the transformation of a shape by a scale factor to produce an image that is similar to the original shape but is different in size from the original shape. A dilation that creates a larger image is...