Sample questions Grade 3, medium level. Your worksheet will have new questions. 1.484 − 107 = ___484−1072.437 − 240 = ___437−2403.967 − 148 = ___967−1484.696 − 509 = ___696−5095.713 − 423 = ___713−4236.919 − 373 = ___919−3737.902 − 432 = ___902−4328.662 − 506 = ___662−506