How_To_Be_Good_At_Math
199 ONE PENNY 1 ONE PENNY 1 ONE PENNY 1 ONE PENNY 1 ONE PENNY 1 ONE PENNY 1 ONE PENNY 1 ONE PENNY 1 ONE PENNY 1 ONE PENNY 1 ONE^ ...
Calculating with money Calculating with money We calculate with money in just the same way as we calculate with decimal numbers. ...
201 Hamsters 80p each MEASUREMENT • CALCULATING WITH MONEY Line up the decimal points MEASUREMENT • CALCULATING WITH MONEY Look ...
202-203_Chapter_4.indd 202 29/02/2016 16:39 ...
GEOMETRY In geometry, we study lines, angles, shapes, symmetry, and space. We can see plenty of geometric patterns in nature, su ...
What is a line? 4 Geometry What is a line? A line joins two points together. In geometry, lines can be either straight or curved ...
GEOMETRY • HORIZONTAL AND VERTICAL LINES 205 Horizontal and Diagonal lines We give lines different names to describe things abou ...
206 GEOMETRY • DIAGONAL LINES Parallel lines A straight line that slants is called a diagonal line. A diagonal line is not verti ...
GEOMETRY • DIAGONAL LINES 207 TRY IT OUT Make a pattern with diagonals Draw a regular hexagon (six-sided shape) or trace this on ...
208 GEOMETRY • PARALLEL LINES Parallel lines would never meet, even if the lines continued forever Curved parallel lines Paralle ...
GEOMETRY • PARALLEL LINES 209 The meeting point is where the two non- parallel lines would meet if they carried on Lines that jo ...
Diagonal lines that meet to make a right angle are perpendicular Perpendicular linesPerpendicular lines come in pairs. We call l ...
211 Horizontal and vertical lines are perpendicular to each other Lines that make a right angle when they intersect are perpendi ...
212 GEOMETRY • 2D SHAPES 2D shapes 2D shapes are flat, like the shapes we draw on paper or on a computer screen. 2D is short for ...
GEOMETRY • REGULAR AND IRREGULAR POLYGONS 213 Regular and irregular polygons A polygon is a 2D shape made of straight sides. Reg ...
214 GEOMETRY • TRIANGLES Triangles A triangle is a type of polygon. It has three sides, three vertices, and three angles. Congru ...
GEOMETRY • TRIANGLES 215 Right-angled triangle Two of the sides meet to make a right angle (90°). Learn more about right angles ...
216 GEOMETRY • QUADRILATERALS Quadrilaterals A quadrilateral is a polygon with four straight sides, four vertices, and four angl ...
GEOMETRY • QUADRILATERALS 217 TRY IT OUT Skewed shapes Look at the square and the rhombus below. The rhombus looks like a skewed ...
218 GEOMETRY • NAMING POLYGONS Naming polygons Polygons are named for the number of sides and angles they have. Most polygons’ n ...
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