Numbers up to 1000 51 Write by counting from 301 to 400. 301 306 315 320 323 328 334 339 342 346 351 355 360 366 377 388 399 Write by counting from 401 to 500. 401 406 415 420 423 428 434 439 442 446 451 455 460 466 477 488 499