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1-2 Day 1. Linear Measurement. Bellringer. What is ¾ + 5/6 ?. Unlike a line, a line segment, can be measured because it has two endpoints. A segment with endpoints A and B can be name AB or BA. The length or measure of AB is written AB. Introduction to measurement. Inches. Centimeters.
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1-2 Day 1 Linear Measurement
Bellringer • What is ¾ + 5/6 ?
Unlike a line, a line segment, can be measured because it has two endpoints. • A segment with endpoints A and B can be name AB or BA. • The length or measure of AB is written AB.
Introduction to measurement Inches
Challenge… • With your shoulder partner, find something in the room that is • A) 5 inches • B) 3.7 cm • C) Measure the length of Partner A’s pencil/pen in inches • D)Measure the length of Partner B’s pinky finger in centimeters
Segment Addition Postulate • If M is between P and Q, then PM+MQ=PQ Q P M
Rally Coach • Partners take turns, one solving a problem while the other coaches. • 1. Partner A solves the first problem. • 2. Partner B watches and listens, checks, coaches if necessary, and praises. • 3. Partner B solves the next problem. • 4. Partner A watches and listens, checks, coaches if necessary, and praises.
Partner A- Draw DE that is 3 1/16 inches long. • Partner B- Draw FG that is 2 ¾ inches long.
Find x and ST if T is between S and U, ST=7x, SU=45, and TU=5x-3 U T S 5x-3 7x 45
Which of the following is/are truestatements? I. If W is on AB , then A is on WB. II. If W is on AB , then AW = WB. III. If W is on AB , then AW + WB = AB A. I only B. II only C. III only D. II and III E. I, II, and III
Find the value of the variable and KL if K is between J and L JK=6r, KL=3r, and JL=27
Do you know???What are the three undefined terms in geometry???
Find the value of the variable and KL if K is between J and L JK=2s, KL=s+2, and JL=5s-10
Summary: • What measurement do the little lines on the inch side of a ruler show? • How many divisions are there in a centimeter on a ruler? • What does the angle addition postulate say?