Identifying the core
Coming up with a pattern rules
Finding the next 3 terms
100

square - triangle - triangle - square - triangle - triangle - square - triangle - triangle - square - triangle - triangle - square - triangle - triangle

square - triangle - triangle

100

triangle, circle, heart, triangle, circle, heart, triangle, circle, heart, triangle, circle, heart,

start with a triangle, add a circle, then add a heart, then repeat

100

300, 275, 250, 225, 200, 

175

200

circle - square - heart - square - circle - circle - square - heart - square - circle - circle - square - heart - square - circle -

circle - square - heart - square - circle

200

20, 40, 80, 160, 320, 640

start with 20, then multiply by two every term


200

440, 427, 414, 401

388, 375, 362

300

Circle - square - heart - Circle - square - heart - rectangle - Circle - square - heart - Circle - square - heart - rectangle - Circle - square - heart - Circle - square - heart - rectangle

Circle - square - heart - Circle - square - heart - rectangle

300

81, 72, 63, 54, 45

Start with 81, subtract by 9 every time

300

350, 700, 1400, 2800, 

5600, 11200, 22400

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