Mathematics (9-1) - 0980 CIE

Scale Drawings

Bayani Gaba-gaba

You cannot fit a country onto a sheet of paper, so maps and plans shrink the real world by a fixed amount. A scale tells you exactly how much: how many real metres or kilometres each centimetre on the drawing stands for. Read the scale correctly and a drawing becomes a precise calculator for real distances.

In this lesson you will interpret scales written as ratios and as statements, convert confidently between drawing lengths and real lengths, and work with three-figure bearings, the directions measured clockwise from north that pilots and sailors use every day.

Manufura

  1. Draw and interpret scale drawings.
  2. Use and interpret three-figure bearings.

Darasin Sauti

Saurari wannan darasi a cikin manhaja

Taswirar tunani

An zana wannan batu don ka ga yadda ra'ayoyi ke hadewa.

Bude taswirar tunani a cikin manhaja

Katunan tunawa

Gwaji mai sauri kan abin da ake jarraba a wannan batu.

Yi atisayen wadannan katuna a cikin manhaja

Takardar Darasi

Scale drawings are how the large world is captured on a small page. Maps, floor plans, garden designs and engineering drawings all use a scale so that real distances can be measured straight off the paper. Add bearings, and you can describe not just how far but in which direction, which is the foundation of all navigation.

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Nazarin Darasi

Barka da kammala darasi akan Scale Drawings. Yanzu da kuka bincika mahimman raayoyi da raayoyi, lokaci yayi da zaku gwada ilimin ku. Wannan sashe yana ba da ayyuka iri-iri Tambayoyin da aka tsara don ƙarfafa fahimtar ku da kuma taimaka muku auna fahimtar ku game da kayan.

Za ka gamu da haɗe-haɗen nau'ikan tambayoyi, ciki har da tambayoyin zaɓi da yawa, tambayoyin gajeren amsa, da tambayoyin rubutu. Kowace tambaya an ƙirƙira ta da kyau don auna fannoni daban-daban na iliminka da ƙwarewar tunani mai zurfi.

Yi wannan ɓangaren na kimantawa a matsayin wata dama don ƙarfafa fahimtarka kan batun kuma don gano duk wani yanki da kake buƙatar ƙarin karatu. Kada ka yanke ƙauna da duk wani ƙalubale da ka fuskanta; maimakon haka, ka kallesu a matsayin damar haɓaka da ingantawa.

  1. On a map with scale 1 : 50000, two points are 4 cm apart. What is the real distance? A. 200 m B. 500 m C. 2 km D. 20 km Answer: C
  2. A plan uses the scale 1 cm represents 5 m. A wall drawn 7 cm long is really: A. 12 m B. 35 m C. 57 m D. 75 m Answer: B
  3. What is the bearing of due west? A. 090 B. 180 C. 270 D. 360 Answer: C
  4. A bearing of 045 degrees points roughly towards the: A. north-east B. south-east C. south-west D. north-west Answer: A
  5. A scale is written 1 : 50000. How many centimetres in real life does 1 cm on the map represent? A. 500 B. 5000 C. 50000 D. 500000 Answer: C

Yi aikin wadannan tambayoyi a cikin manhaja

Yi aikin wadannan tambayoyi a cikin manhaja

Yi Aikin Tambayoyin Gwaji

Kana son yin aikin tambayoyin gwaji kan Scale Drawings? Sauke manhajar Green Bridge CBT don samun tambayoyin gwaji da cikakkun jarrabawa akan wannan batu.

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