What 01.09 is for
Canvas has a practice test here (15 points) that is supposed to feel like the module test (01.10). This page is a mixed drill of the same skills. Different items. The real tests stay in Canvas.
01.10 itself is not on this hub. If you want a one-line map: Part One is usually the machine-scored items, Part Two is the written/constructed part. Read the Canvas directions the day you take it.
Work 01.06 and 01.07 on this hub if proofs still feel new. Then come back here.
Construction cheat sheet
Tap a name. The tell is what you should see in a sketch.
Tap a construction.
Put the first three steps in order
Copying an angle. Tap the steps in order. Wrong tap resets.
Words that sit in the same choice list
- Complementary add to 90°. Supplementary add to 180°. They do not have to touch.
- Adjacent share a side. Vertical are opposite, nonadjacent, congruent.
- Linear pair = adjacent and supplementary (straight line).
- Midpoint splits a segment into two congruent pieces. Angle bisector splits an angle into two congruent angles (the whole is twice one half).
- Segment Addition is about pieces of a segment. Addition Property of Equality is “do the same thing to both sides.” Same sum, different why.
Postulates you keep, theorems you prove
Postulates: through two points, one line. Two lines meet in one point. Two planes meet in one line. Three noncollinear points, one plane. Segment Addition. Angle Addition. Linear Pair Postulate (a linear pair is supplementary).
Theorems you have now: vertical angles are congruent. If parallels, corresponding / alternate interior / alternate exterior are congruent, and same-side interior are supplementary.
Properties that show up as justifications: reflexive, transitive, substitution, addition / subtraction / multiplication / division, distributive, combine like terms, definition of midpoint / congruence / bisector / perpendicular.
Three proof skins: two-column (statement | reason), paragraph (same steps in sentences), flow chart (arrows).
A sample two-column skeleton
Given JK ∥ LM. Transversal cuts them at O and P. m∠KOP = 7x. m∠OPL = 110°. Find x.
∠KOP and ∠OPL sit inside the parallels, same side of the transversal. They add to 180° by the Same-Side Interior Angles Theorem, not because they are vertical or corresponding.
m∠KOP = 7x, m∠OPL = 110° Given
7x + 110 = 180 Same-Side Interior, then substitution
7x = 70 Subtraction Property of Equality
x = 10 Division Property of Equality
If a quiz asks for statement 3, the number sentence is 7x + 110 = 180. If it asks for the reason, it is Same-Side Interior, not Corresponding.
Mixed practice
Twelve items. Constructions, vocab lookalikes, and one same-number / two-reasons item. New stems. Not 01.10.