0.5 0.5 R 0.6 0.4 0.4 0.6 R1 0.6 0.4 0.4 0.6 R1 0.6 0.4 0.4 0.6 R12 0.6 0.4 0.4 0.6 R121 0.6 0.4 0.4 0.6 R1 0.6 0.4 0.4 0.6 R 0.6 0.4 0.4 0.6 R3 0.6 0.4 0.4 0.6 R3 0.6 0.4 0.4 0.6 R32 0.6 0.4 0.4 0.6 R322 0.6 0.4 0.4 0.6 R121 0.6 0.4 0.4 0.6 R121 0.6 0.4 0.4 0.6 R322 0.6 0.4 0.4 0.6 R32 0.6 0.4 0.4 0.6 R32 0.6 0.4 0.4 0.6 R121 0.6 0.4 0.4 0.6 R121 0.6 0.4 0.4 0.6 R32 0.6 0.4 0.4 0.6 R322 0.6 0.4 0.4 0.6 Set up expressions, equations and inequalities 77 54 300 92 Choose variables 51 216 130 261 Set up algebraic equations 168 113 242 176 Set up algebraic inequalities 249 118 338 180 Set up numerical expressions 58 118 148 181 Simplify algebraic expressions and solve equations 405 57 640 98 Use numerical expressions 408 120 512 162 Solve equations 529 122 608 163 Relations 329 6 414 35 Simplify expressions 459 191 558 232 Expand expressions 400 265 494 308 Simplify by addition and subtraction 567 184 669 243 Simplify by multiplication and division 675 184 776 243 Substitute 377 196 444 234 Set up algebraic expressions 157 192 285 232 Set up geometric model 64 261 148 317 Set up linear model 152 265 222 319 Set up quadratic model 224 260 304 317 Set up exponential model 298 233 387 293 Divide out common factors 496 262 610 310 Combine like terms 618 268 717 309