Lesson 5: Scale drawings: scale factor word problems

Complete the exercises in this section at your pace. Before you begin, click on “Materials” to verify what’s covered. The Geogebra Activity for this lesson will be created only upon request, and you’ll receive a link in your inbox to join a class in Realtime! Also, if you haven’t signed up for the IXL SKILLS PACKAGE yet, the login credentials you’ll receive from the link below, will expire after 2 days.

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Warmup: Look at the triangles in the graph below and answer the question that follows.

Which of the four triangles are scaled copies of triangle ABC? Select all that apply.

(1.) GHI

(2.) MNO

(3.) DEF

(4.) JKL

Activity #1 (30 minutes)

1. Topic: Scale drawings: scale factor word problems(Applet).

2. Explainer Video: Scale drawings: scale factor word problems.

Practice Exercise

Topic: Scale drawings: scale factor word problems.

Quiz Time – (Two sets: 30 minutes each).

Topic: Scale drawings: scale factor word problems.

  1. An applet.
  2. An explainer video on "Scale drawings: scale factor word problems".
  3. A skills exercise from the IXL website on "Scale drawings: scale factor word problems". The questions exhibit an increasing order of difficulty. 
  4. Two sets of quizzes on "Scale drawings: scale factor word problems". The questions exhibit an increasing order of difficulty, and an average score of 80% expected.