Grade 4 - Progress in Mathematics

Transformations: Slides and Flips

10-9

Noah and Nicole made these patterns.

Noah:

Nicole:

Copy the triangle at the right onto dot paper.

Then cut it out.

Place your triangle on another sheet of dot paper. Trace around the

triangle to make a pattern in the same way that Noah made his.

1. How did you move the triangle
   to make the pattern?

Now place the triangle on a third sheet

of dot paper. Trace around the triangle

to make a pattern in the same way

that Nicole made hers.

2. How did you move the triangle
   to make the pattern?


3. How are your two patterns alike?
   How are they different?


4. Explain how you know that your
   patterns are alike and different in the
   same way as Noah’s and Nicole’s.

Materials: dot paper, pencil, scissors, ruler

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