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Note from the author:

A complete formative lesson with embedded slideshow, mini lecture screencasts, checks for understanding, practice items, mixed review, and reflection. I create these assignments to supplement each lesson of Pearson's Common Core Edition Algebra 1, Algebra 2, and Geometry courses. See also mathquest.net and twitter.com/mathquestEDU.

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1

20 pts

Solve It! Think of a clock or watch that has an hour hand and a minute hand. As minutes pass, the distance between the tip of the hour hand and the tip of the minute hand changes. This distance is x in the clock shown. Sort the times below from least to greatest length of x ?

- 1:30
- 1:00
- 8:30
- 5:00
- 3:00
- 12:20

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2

10 pts

Problem 1 Got It? What inequality relates LN and OQ in the figure?

LN > OQ

LN < OQ

3

10 pts

Problem 1 Got It? Reasoning: In △ABC, AB = 3, BC = 4, and CA = 6. In △PQR, PQ = 3, QR = 5, and RP = 6. How can you use indirect reasoning to explain why m∠P > m∠A ?

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4

5 pts

Problem 2 Got It? The diagram shows a pair of scissors in two different positions. In which position is the distance between the tips of the two blades greater?

The distance between the tips of the two blades is greater in the figure on the left.

The distance between the tips of the two blades is greater in the figure on the right.

The distance between the tips of the two blades is equivalent in both figures.

5

10 pts

Problem 2 Got It? How does the Hinge Theorem apply to this scenario?

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6

10 pts

Problem 3 Got It?

A

B

C

D

7

20 pts

Problem 4 Got It? Complete the proof on the canvas.

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8

10 pts

A

B

C

D

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9

10 pts

A

B

C

D

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11

10 pts

Error Analysis: From the figure, your friend concludes that m∠BAD > m∠BCD. How would you correct your friend's mistake?

12

10 pts

Compare and Contrast: How are the Hinge Theorem and the SAS Congruence Postualte similar? How are they different?

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13

10 pts

Review Lesson 5-6: Order the angles of the triangle from smallest to largest.

- ∠F
- ∠T
- ∠R

14

10 pts

Review Lesson 5-6: Order the angles of the triangle from smallest to largest.

- ∠K
- ∠M
- ∠L

15

10 pts

Review Lesson 5-6: Match the range of possible lengths for the third side of a triangle in the left column with the given lengths of two sides of a triangle in the right column.

Not all ranges will be used, only one per pair of side lengths.

- 15 cm, 19 cmAnswer by dragging items here
- 6 ft, 11 ftAnswer by dragging items here
- 3 in., 3 in.Answer by dragging items here

16

10 pts

Review Lesson 5-6: In △GHI, which side is included between ∠G and ∠H ?

side GH

side HI

side IG

17

10 pts

Review Lesson 3-7: Match the slopes on the left with the pairs of points on the right.

- X(0, 6), Y(4, 9)Answer by dragging items here
- R(3, 8), S(6, 0)Answer by dragging items here
- A(4, 3), B(2, 1)Answer by dragging items here

18

10 pts

Use Your Vocabulary: Identify which form of the word hinge is used in each sentence.

- Everything hinges on his decision.Answer by dragging items here
- The hinge on the gate allows it to swing open or closed.Answer by dragging items here
- Your plan hinges on your teacher's approval.Answer by dragging items here
- The lid was attached to the jewelry box by two hinges.Answer by dragging items here

19

10 pts

Reflection: Math Success

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