by BlastRoom
Use the scale factor or a proportion to find an unknown side.
#us_grade_8_math

40 questions
One question set, multiple game modes. Tap any game to see it in action. Not sure which to pick?
Answer to place stones and capture territory.
Outrun the snow together.
Earn blasts, then hunt the other team.
Answer to earn energy, then climb.

The class blasts through walls together.
Bid on mystery lots. Most money wins.
Sell tours. Nice, standard, or a total scam.
Answer, restock, and serve the rush.
More correct answers pulls the rope your way.
Answer, then shoot down the alien wave.
Answer, then tap to leap the frozen ridge.
The figure shows similar rectangles EFGH and PQRS, with the width of PQRS marked with a question mark. How wide is PQRS?

The diagram shows similar triangles PQR and TUV, and one side of TUV is marked with a question mark. How long is the missing side?

Use the labeled similar triangles ABC and KLM. One side of triangle ABC is marked with a question mark. How long is the missing side?

A quadrilateral and a similar quadrilateral are shown with their matching side lengths marked, taken in order, and one side is marked with a question mark. How long is the missing side?

The figure gives similar triangles PQR and TUV. Triangle PQR has one side marked with a question mark. How long is the missing side?

Similar triangles DEF and GHJ are shown, and the unknown side in triangle DEF is marked with a question mark. How long is the missing side?

The drawing shows similar triangles ABC and PQR. The missing side in triangle PQR is marked with a question mark. How long is the missing side?

In the figure, triangles ABC and KLM are similar, and one side of triangle ABC is marked with a question mark. How long is the missing side?

The diagram shows similar rectangles ABCD and WXYZ, with the width of WXYZ marked with a question mark. How wide is WXYZ?

Similar triangles LMN and XYZ are drawn with their side lengths labeled, and one side of triangle XYZ has a question mark. How long is the missing side?

The figure shows triangle ABC similar to triangle XYZ. A side of triangle XYZ is marked with a question mark. How long is the missing side?

A quadrilateral and a similar quadrilateral are shown with their matching side lengths marked, taken in order, and one side is marked with a question mark. How long is the missing side?

Use the similar rectangles JKLM and WXYZ shown in the figure. The width of WXYZ is marked with a question mark. How wide is WXYZ?

The labeled drawing shows similar triangles ABC and PQR, and the unknown side is in triangle PQR. How long is the missing side?

A quadrilateral and a similar quadrilateral are shown with their matching side lengths marked, taken in order, and one side is marked with a question mark. How long is the missing side?

Triangles LMN and XYZ are shown as similar triangles. One side of triangle LMN is marked with a question mark. How long is the missing side?

The figure shows similar triangles ABC and XYZ. Triangle ABC includes the side marked with a question mark. How long is the missing side?

Use the side labels in the similar triangles DEF and GHJ. The question mark appears on a side of triangle DEF. How long is the missing side?

A quadrilateral and a similar quadrilateral are shown with their matching side lengths marked, taken in order, and one side is marked with a question mark. How long is the missing side?

The diagram gives similar triangles PQR and TUV, with one side of triangle PQR marked with a question mark. How long is the missing side?

Rectangles EFGH and PQRS are similar in the figure, and the width of PQRS is marked with a question mark. How wide is PQRS?

The labeled rectangles JKLM and WXYZ are similar. The figure marks the width of WXYZ with a question mark. How wide is WXYZ?

The figure shows similar triangles JKL and RST. A side of triangle RST is marked with a question mark. How long is the missing side?

A quadrilateral and a similar quadrilateral are shown with their matching side lengths marked, taken in order, and one side is marked with a question mark. How long is the missing side?

Similar triangles JKL and RST are shown with one side of triangle RST marked with a question mark. How long is the missing side?

Use the labeled similar rectangles ABCD and PQRS. The width of PQRS is the side marked with a question mark. How wide is PQRS?

The figure gives similar rectangles ABCD and PQRS, and the width of PQRS has a question mark. How wide is PQRS?

The drawing shows similar triangles ABC and PQR, with one side of triangle PQR marked with a question mark. How long is the missing side?

Rectangles ABCD and EFGH are shown as similar rectangles. The width of EFGH is marked with a question mark. How wide is EFGH?

The figure shows triangle ABC similar to triangle PQR, and the missing side lies in triangle ABC. How long is the missing side?

The diagram gives similar rectangles EFGH and PQRS. A question mark labels the width of PQRS. How wide is PQRS?

Similar triangles DEF and GHJ appear in the figure, and one side of triangle GHJ is marked with a question mark. How long is the missing side?

The labeled figure shows similar triangles PQR and TUV. Triangle PQR has the side marked with a question mark. How long is the missing side?

The side labels are shown on similar triangles PQR and TUV, and the unknown side is in triangle TUV. How long is the missing side?

A quadrilateral and a similar quadrilateral are shown with their matching side lengths marked, taken in order, and one side is marked with a question mark. How long is the missing side?

A quadrilateral and a similar quadrilateral are shown with their matching side lengths marked, taken in order, and one side is marked with a question mark. How long is the missing side?

Triangles ABC and PQR are drawn as similar triangles. One side of triangle PQR is marked with a question mark. How long is the missing side?

A quadrilateral and a similar quadrilateral are shown with their matching side lengths marked, taken in order, and one side is marked with a question mark. How long is the missing side?

The figure shows similar rectangles ABCD and WXYZ. The width of WXYZ is labeled with a question mark. How wide is WXYZ?

Use the drawing of similar triangles JKL and RST. The side marked with a question mark is in triangle RST. How long is the missing side?

Crack the passcode before the zombies get in.
Answer, then swat bugs for bonus points.
Race through questions at your own speed.
Same question on every screen. Fastest wins.

Pick a tile, answer, hit bonuses and steals.
Indirect Measurement with Similar Triangles
20 questions