Sample questions Year 4, medium level. Your worksheet will have new questions. 1.4,788 + 4,797 = ___4797+47882.7,916 + 1,417 = ___7916+14173.6,862 + 2,956 = ___6862+29564.6,688 + 3,042 = ___6688+30425.3,554 + 3,983 = ___3983+35546.5,350 + 2,795 = ___5350+27957.2,246 + 1,835 = ___2246+18358.4,680 + 1,544 = ___4680+1544