www mathsrevision com Scaled Drawings The Eight Point

www. mathsrevision. com Scaled Drawings The Eight Point Compass Estimating and Drawing Bearings Working with Scale Drawings More Scale Drawings Directions on Maps Enlarging and Reducing Similar Rectangles 28 -Nov-20 Created by Mr. Lafferty Maths Dept.

www. mathsrevision. com Starter Questions 28 -Nov-20 Created by Mr. Lafferty Maths Dept.

Compass Points 360/000 o Half way between North and West 270 o N NW NE W E SW Half way between South and West 28 -Nov-20 Half way between North and East 090 o SE S 180 o Created by Mr. Lafferty Maths Dept. Half way between South and East

Gary walks to John If Anne Julie If If Daniel Amy If Daniel isisfacing is facing Paul North and then to Barry and then to is Amy and West then Who South Who is North East and turns Frances turns anti-clockwise and of turns to to Who is North of Daniel Who is East John back to to where he back where she of Barry ofto Gary clockwise face Anne. Daniel. How facemany Amy. started. Write down all How degrees many degrees isisthis. is this. the directions she he took. the took. www. mathsrevision. com Compass Points John Frances Barry N 28 -Nov-20 Julie Daniel Anne Gary Amy Paul Created by Mr. Lafferty Maths Dept.

www. mathsrevision. com Compass Points Now try Ex 2. 1 Ch 6 (page 88) 28 -Nov-20 Created by Mr. Lafferty Maths Dept.

www. mathsrevision. com Starter Questions 28 -Nov-20 Created by Mr. Lafferty Maths Dept.

www. mathsrevision. com Bearings Learning Intention 1. 28 -Nov-20 To explain what a bearing is and how to measure and draw a bearing. Success Criteria 1. Understand what bearing is. 2. Measure and draw a bearing. Created by Mr. Lafferty Maths Dept.

Bearings 360/000 o N 1. Measured from North. 2. In a clockwise direction. 060 o 270 o 60 o W 090 o E 3. Written as 3 figures. S 180 o N W 145 o S N N E 145 o W 230 o S 315 o E W 315 o S E

A 360 o protractor is used to measure bearings. 315 o Bearings Use your protractor to measure the bearing of each point from the centre of the circle. 360/000 o 350 o N (Worksheet 1) 045 o 020 o NW NE 290 o 270 o 080 o W E 250 o 110 o SW 225 o Worksheet 1 SE 210 o S 180 o 160 o 135 o 090 o

N 360/000 o 030 o 330 o 045 o 315 o 290 o 075 o 090 o E W 270 o Control Tower 110 o 250 o 135 o 225 o 170 o 200 o 28 -Nov-20 Estimate the bearing of each aircraft from the centre of the radar screen. 180 o Created by Mr. Lafferty Maths Dept. S Air Traffic Controller

Scaled Drawings using Bearings www. mathsrevision. com Draw a bearing of 28 -Nov-20 (a) 50 o N 50 o (b) 230 o N 230 o Created by Mr. Lafferty Maths Dept.

Compass Points 360/000 o N 315 o NW 270 o NE W E SW 225 o SE S 180 o 28 -Nov-20 045 o Created by Mr. Lafferty Maths Dept. 135 o 090 o

My Estimated Bearing True Bearing Error 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 My Estimated Bearing True Bearing Total Error Average Error Worksheet 2 (Radar) Error

www. mathsrevision. com Bearings Now try Ex 3. 1 Ch 6 (page 90) 28 -Nov-20 Created by Mr. Lafferty Maths Dept.

www. mathsrevision. com Starter Questions 28 -Nov-20 Created by Mr. Lafferty Maths Dept.

www. mathsrevision. com Scales Learning Intention 1. To explain the term scale on a map. Success Criteria 1. To understand the term scale. 2. Calculate the real life distances using a scaled map. 28 -Nov-20 Created by Mr. Lafferty Maths Dept.

www. mathsrevision. com Scales In order to make sense of a map or scale diagram the scale must be known. 28 -Nov-20 Created by Mr. Lafferty Maths Dept.

www. mathsrevision. com Scales In order to make sense of a map or scale diagram the scale must be known. For this scale model 1 cm represents 1 m 4 cm This means for every 1 metre of the actual car, 1 cm is drawn on the map. 28 -Nov-20 Created by Mr. Lafferty Maths Dept.

Scales www. mathsrevision. com The scale of this drawing is 1 cm = 5 m 6 cm What is the actual length of the tree ? 6 x 5 = 30 m 28 -Nov-20 Created by Mr. Lafferty Maths Dept.

Scales www. mathsrevision. com The scale of this drawing is 1 cm = 90 cm What is the actual length of the bus in metres ? 5 cm 5 x 90 = 450 cm 4. 5 m 28 -Nov-20 Created by Mr. Lafferty Maths Dept.

www. mathsrevision. com Scales Now try Ex 4. 1 Ch 6 (page 92) 28 -Nov-20 Created by Mr. Lafferty Maths Dept.

www. mathsrevision. com Starter Questions 28 -Nov-20 Created by Mr. Lafferty Maths Dept.

www. mathsrevision. com Scaled Drawings Learning Intention 1. 28 -Nov-20 To draw a scale drawing given suitable information. Success Criteria 1. From information given make a scaled drawing. Created by Mr. Lafferty Maths Dept.

Scaled Drawings www. mathsrevision. com Problem A garden is rectangular in shape and has length 12 m and breadth 8 m. Make rough sketch of the garden. 12 m Draw an accurate scaled drawing of the garden Use a scale of 1 cm represents 2 m 28 -Nov-20 Created by Mr. Lafferty Maths Dept. 8 m

www. mathsrevision. com Scaled Drawings Use a scale of 1 cm represents 2 m 12 m 8 m 28 -Nov-20 Created by Mr. Lafferty Maths Dept.

Scaled Drawings www. mathsrevision. com Problem A road junction is triangular in shape. A rough sketch is given below. Draw an accurate scaled drawing of the garden Use a scale of 1 cm represents 2 m 28 -Nov-20 20 m Created by Mr. Lafferty Maths Dept. 12 m

www. mathsrevision. com Scaled Drawings Use a scale of 1 cm represents 2 m Find the real life length of the 3 rd side 20 m 2 x 11. 6 = 23. 2 m 12 m 28 -Nov-20 Created by Mr. Lafferty Maths Dept. 12 m

www. mathsrevision. com Scaled Drawings Now try Ex 5. 1 Ch 6 (page 94) 28 -Nov-20 Created by Mr. Lafferty Maths Dept.

www. mathsrevision. com Starter Questions 28 -Nov-20 Created by Mr. Lafferty Maths Dept.

www. mathsrevision. com Scaled Drawings using Bearings Learning Intention 1. 28 -Nov-20 To explain how to construct a scale drawing using bearings. Success Criteria 1. Construct an accurate scale drawing. Created by Mr. Lafferty Maths Dept.

Scaled Drawings using Bearings www. mathsrevision. com Make an accurate scale drawing of this sketch. 28 -Nov-20 N N 50 o 15 km 1 cm represents 3 km Created by Mr. Lafferty Maths Dept.

www. mathsrevision. com Scaled Drawings using Bearings Make an accurate drawing of the plane journey N N 28 -Nov-20 120 o 45 o 8 km 120 o 12 km 45 o 8 km 12 km 1 cm represents 2 km Created by Mr. Lafferty Maths Dept.

www. mathsrevision. com Scaled Drawings using Bearings Now try Ex 6. 1 Ch 6 (page 61) 28 -Nov-20 Created by Mr. Lafferty Maths Dept.

www. mathsrevision. com Starter Questions 28 -Nov-20 Created by Mr. Lafferty Maths Dept.

www. mathsrevision. com Map Directions Learning Intention 1. 28 -Nov-20 To show to write down directions using a map. Success Criteria 1. Be able to make sense of a map. 2. Write down accurate directions from a map. Created by Mr. Lafferty Maths Dept.

After going toof the park I want I Icome outout of the swimming leave out theof zoo to goand back to II come school There’s fire at the library. toashop go to the cinema. charity pool and turn and right need then to left. my car which is in the town go to the Park. Right the directions Tea Lane is closed. catch I go into adown bus. the Write building down second car. Write park. down Writethe down the. Write fireonengine should take. down the directions my the to the right. bus directions I should take. directions I must take. I should take. Name station. the building. www. mathsrevision. com Map Directions N 28 -Nov-20 Created by Mr. Lafferty Maths Dept.

www. mathsrevision. com Map Directions Now try Ex 7. 1 Ch 6 (page 97) 28 -Nov-20 Created by Mr. Lafferty Maths Dept.

www. mathsrevision. com Enlarging & Reducing Learning Intention 1. 28 -Nov-20 To explain how to enlarge or reduce a given shape by a factor of two or half. Success Criteria 1. Be able to enlarge a shape by a factor of two. 2. Be able to reduce a shape by a factor of a half. Created by Mr. Lafferty Maths Dept.

www. mathsrevision. com Enlarging & Reducing These two photos are of the same view 3 cm 1. 5 cm 2 cm 4 cm The second is double the size of the first. The first could be ENLARGED to make the second. 28 -Nov-20 Created by Mr. Lafferty Maths Dept.

www. mathsrevision. com Enlarging & Reducing These two photos are of the same view 3 cm 1. 5 cm 2 cm 4 cm The first is half the size of the second. The second could be REDUCED to make the first. 28 -Nov-20 Created by Mr. Lafferty Maths Dept.

Enlarging & Reducing www. mathsrevision. com Half the size of the shape. 28 -Nov-20 Double the size of the shape. Created by Mr. Lafferty Maths Dept.

www. mathsrevision. com Enlarging & Reducing Now try Ex 8. 1 Ch 6 (page 99) 28 -Nov-20 Created by Mr. Lafferty Maths Dept.

www. mathsrevision. com Starter Questions 28 -Nov-20 Created by Mr. Lafferty Maths Dept.

www. mathsrevision. com Similar Rectangles Learning Intention 1. 28 -Nov-20 To explain the meaning of the word ‘similar’ and ‘factor’ in mathematics. Enlarge and reduce similar rectangles by a given factor. Success Criteria 1. Understand the words similar and factor. 2. Be able to enlarge / reduce a rectangle by a given factor. Created by Mr. Lafferty Maths Dept.

www. mathsrevision. com Similar Rectangles These two rectangles are similar. 4 cm 2 cm 4 cm 8 cm The first has been ENLARGED by a factor of 2 28 -Nov-20 Created by Mr. Lafferty Maths Dept.

www. mathsrevision. com Find the Rectangles missing length ? cm Find the Similar enlargement factor These two rectangles are similar. ? cm 2 cm 4 cm 12 cm The first has been ENLARGED by a factor of 3 ? = 2 x 3 = 6 cm 28 -Nov-20 Created by Mr. Lafferty Maths Dept.

www. mathsrevision. com Find the Rectangles missing length ? cm Find the Similar reduction factor These two rectangles are similar. 8 cm ? cm 4 cm 16 cm The first has been ENLARGED by a factor of 4 ? = 8 ÷ 4 = 2 cm 28 -Nov-20 Created by Mr. Lafferty Maths Dept.

www. mathsrevision. com Similar Rectangles Now try Ex 9. 1 Ch 6 (page 100) 28 -Nov-20 Created by Mr. Lafferty Maths Dept.