Grade 7 Math · Geometric and Spatial Reasoning

Perform dilations and describe the similarity between the image and the original shape

10 tutor-authored questions for this Ontario curriculum expectation, ordered easiest to hardest — every one with a full worked solution. Work through them free, no account needed.

Start the 10 questions Curriculum: G7-E1.3

Sample: the first question, solved

What is a dilation, in basic terms?

📘 Worked solution
A transformation that changes the size of a shape (enlarging or shrinking it) while keeping its shape the same.

And one from the hard end

Using the same dilation (scale factor 4), find the rectangle's new length (originally 5cm).

Solution shown after you try it in practice mode.

Work through all 10, easiest to hardest

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