How_To_Be_Good_At_Math
MEASUREMENT During history, people have used many different systems of measurement to describe the real world. But most countrie ...
160 Length Length is the distance between two points. We can measure distances in metric units called millimetres (mm), centimet ...
MEASUREMENT • LENGTH MEASUREMENT • LENGTH 161 HEIGHT (cm) 0 10 20 30 40 50 60 Take a look at this dog. It’s 60 cm tall. There ar ...
162 MEASUREMENT • CALCULATING WITH LENGTH Calculating with length Calculations with length measurements work just like other cal ...
MEASUREMENT • CALCULATING WITH LENGTH 163 Calculating with mixed units We already know we can use different units to record leng ...
164 MEASUREMENT •^ PERIMETER Perimeter Perimeter means the distance around the edge of a closed shape. If you imagine the shape ...
MEASUREMENT • PERIMETER 165 The field’s corners are right angles, so its opposite sides are parallel to each other. That means i ...
perimeter Using formulas to find For a rectangle, we can add up the two lengths that are different then multiply by two, because ...
MEASUREMENT • USING FORMULAS TO FIND PERIMETER MEASUREMENT • USING FORMULAS TO FIND PERIMETER 167 A scalene triangle has three s ...
168 MEASUREMENT •^ AREA MEASUREMENT •^ ESTIMATING AREA Area The amount of space enclosed by any 2D shape is called its area. We ...
MEASUREMENT • AREA MEASUREMENT • ESTIMATING AREA 169 Estimating area Finding the areas of shapes that are not squares or rectang ...
MEASUREMENT • WORKING OUT AREA WITH A FORMULA MEASUREMENT • WORKING OUT AREA WITH A FORMULA Working out area with a formula Usin ...
MEASUREMENT • WORKING OUT AREA WITH A FORMULA MEASUREMENT • WORKING OUT AREA WITH A FORMULA Area and missing measurements Someti ...
172 MEASUREMENT •^ AREAS OF TRIANGLES MEASUREMENT •^ AREAS OF PARALLELOGRAMS Areas of triangles Squares and rectangles aren’t th ...
MEASUREMENT • AREAS OF TRIANGLES MEASUREMENT • AREAS OF PARALLELOGRAMS 173 Areas of parallelograms Parallelograms aren’t too dif ...
Areas of complex shapes Areas of complex shapes Sometimes you will be asked to find areas of shapes that look very complicated. ...
MEASUREMENT • AREAS OF COMPLEX SHAPES 175 TRY IT OUT How big is this room? Now you know how to work out the area of a complex sh ...
and perimeter Comparing area Comparing area and perimeter We know how to find the area and perimeter of shapes, but how are they ...
MEASUREMENT • COMPARING AREA AND PERIMETER 177 What’s happened to the area and the perimeter? When we changed the shape, we remo ...
178 Capacity The amount of space inside a container is called its capacity. It is often used to describe how much liquid can be ...
«
4
5
6
7
8
9
10
11
12
13
»
Free download pdf