Slide 1© T Madas Botany Bay Amersham Northgate Poole Milling Collier Bay 1 cm = 2 km Slide 2 © T Madas Botany Bay Amersham Northgate Poole Milling Collier Bay What is the…

Slide 1 © T Madas Slide 2 Which out of 0.5 and 0.05 is larger? 0.5 0.05 We can add or remove zeros at the end of a decimal, without changing the number FACT 0 Slide 3 ©…

Slide 1© T Madas 2 3 4 5 x = Slide 2 What is 4 5 2 3 x ? 0 1 5 2 5 3 5 4 5 1 1 3 2 3 1 8 15 8 = Slide 3 © T Madas What is of ? Finding something of something always means…

Slide 1 © T Madas Slide 2 Two triangles are congruent if… All 3 sides are equal SSS 2 sides and the contained angle are equal SAS 1 side and the 2 adjacent angles are…

Slide 1 © T Madas Slide 2 Sometimes we have to round numbers What does rounding mean? Can you think of some examples? Slide 3 © T Madas 40 Rounding to the nearest 10 The…

Slide 1 © T Madas Slide 2 In 2 dimensions square rectangle In 3 dimensions cube cuboid Slide 3 © T Madas Face Edge Vertex Slide 4 © T Madas 1cm What is the surface area…

Slide 1 © T Madas Slide 2 Describing the Accuracy of Measurements Part 1 Slide 3 © T Madas The length of a pencil is measured as 112 ± 1 mm. What is the maximum and the…

Slide 1 © T Madas Slide 2 16 unshaded 4 unshaded What proportion of the shape is shaded? For every shaded square, how many unshaded squares are there? For 4 shaded For 1…

Slide 1 © T Madas Slide 2 To convert a decimal into a percentage, you multiply the decimal by 100 0.3 x 100 30% 0.45 x 100 45% 0.05 x 100 5% 1.5 x 100 150% 4 x 100 400%…

Slide 1 © T Madas Slide 2 Mathematical and Technical Drawings Bottom Side (Left) Back Front Top Side (Right) Slide 3 © T Madas Front Top Side (Right) Mathematical and Technical…