Use what you learned in the previous lesson to solve real-world problems.

Check what you understood with a short quiz.

Recognize when points lie on the same straight path, when one point is between two others, and where two lines meet. Use words like collinear, between, and intersection without relying only on how the sketch looks.

Use what you learned in the previous lesson to solve real-world problems.

Separate a segment from its length: segment AB is the object, while AB can mean its measured distance. Attach units clearly and compare straight-line distance with a longer path around it.

Use what you learned in the previous lesson to solve real-world problems.

Check what you understood with a short quiz.

Read tick marks as a promise that lengths are equal, even if the drawing is not perfectly to scale. Use midpoint marks to reason that one segment has been split into two equal parts.

Use what you learned in the previous lesson to solve real-world problems.

Decide what information a diagram actually gives you from labels, marks, and stated measurements. Avoid assuming two parts are equal just because they look equal in a rough sketch.

Use what you learned in the previous lesson to solve real-world problems.

Check what you understood with a short quiz.

Use a center and radius to describe a circle as all points the same distance from one fixed point. Identify radius segments and name a circle by its center.

Use what you learned in the previous lesson to solve real-world problems.

Compare chords, diameters, and radii inside a circle. Recognize that a diameter is a chord through the center and that its length is twice the radius.

Use what you learned in the previous lesson to solve real-world problems.

Check what you understood with a short quiz.

Name a triangle by its three vertices and match each side to the two endpoints that form it. Read triangle notation like △ABC without getting lost in the order of the letters.

Use what you learned in the previous lesson to solve real-world problems.

Find the side across from a chosen vertex and the two sides that meet there. This gives you the side-location language needed later without needing angle measurement yet.

Use what you learned in the previous lesson to solve real-world problems.

Check what you understood with a short quiz.

Classify triangles by comparing side lengths: scalene, isosceles, and equilateral. Use numbers or matching tick marks as evidence instead of trusting the visual shape alone.

Use what you learned in the previous lesson to solve real-world problems.

Turn a short written description into a clean diagram with labeled points, measured segments, circle parts, and tick marks. Keep unknown lengths as variables and mark only the facts the description gives.

Use what you learned in the previous lesson to solve real-world problems.

Check what you understood with a short quiz.

Review this chapter with practice based on your mistakes.