SS 3.4 Additional Practice w/ Similar Figures 1) Teaching Target: I can use scale factor to find missing values in similar figures. 2) Homework: Math XL “Practice with Scale Factor of Similar Figures.” 3) Check-Up Quiz tomorrow! Warm-Up: Entrance Ticket #2 -Complete independently and hold until called up by teacher for review.

Can you forma rep-tile? Yes! Scale Factor? Corresponding side lengths : 80 ft. and 140 ft. Find the scale factor: 80 x ? = 140 ft. 140/80 = 1.75 = scale factor You can now apply scale factor to other side: 120 x 1.75 = 210 ft. 210 – 120 = 90 ft. 210 ft.

As a table group work on p. 7-9:

Homework: Math XL: “Practice with Scale Factor of Similar Figures.” Check-Up Quiz Tomorrow!