Sample questions Grade 4, medium level. Your worksheet will have new questions. 1.5,472 − 1,724 = ___5472−17242.4,172 − 3,328 = ___4172−33283.6,035 − 1,273 = ___6035−12734.8,147 − 2,384 = ___8147−23845.8,703 − 5,407 = ___8703−54076.8,167 − 4,477 = ___8167−44777.7,822 − 5,566 = ___7822−55668.6,516 − 3,957 = ___6516−3957