# Enlargement negative fractional scale factor

If the scale factor is equal to 1, then the enlarged shape will be the same size in the same place.The workbook is a nice optional extra if you want questions to practise.If the scale factor is positive, the image is larger than the object and on the same side of centre of enlargement as the object as the object.

### Lesson Plan - Wikispaces

To draw the new shape you multiply the distances of each corner from the centre of enlargement by the scale factor and that is the distance of your new shape from the centre of enlargement.Three worksheets that give students plenty of chance to practise dilating shapes by positive, negative and fractional scale factors from a point given. 2. Two self-checking activities where students must dilate by diffe.Added options to the enlargements quiz - the user can now choose to use positive scale factor, negative scale factor, fractional scale factor or a combination of these. 1.0 Nov 12, 2012.If the scale factor, k, is greater than 1, the image is an enlargement (a stretch).

### Level 4 means that I can… - Number Loving

The booklet then includes several differentiated enlargement exam questions, including enlarging shapes by a positive, negative and fractional scale factor.

Click on the files below to access specific practice exam questions for each topic at your target grade.

### How to enlarge a shape by scale factor - 3 Minute Maths

When a shape is enlarged, the scale factor tells by how much to multiply each length of the original shape to get the corresponding length on the new shape.Enlarge this shape by a scale factor of -3 about the centre of enlargement (3, 3).An enlargement using a negative scale factor is similar to an enlargement using a positive scale factor, but this time the image is on the other side of the center of enlargement, and it is upside down.

### Other Scale Factors (GGB) - Interactive Maths

The length of the line from the C of E to the enlargement is 3 times the length of the line from the shape to the C of E.The top number represents the x axis and the bottom number represents the y axis.

Show the class a picture in its original size, an enlargement of the picture, and a distortion is to increase both the height and width by the same scale factor.If -2 is used as a scale factor, say by applying it to a 3-4-5 right triangle, it would have the effect of turning the triangle inside out (mirror image) and stretching it by a factor of 2.