Sample questions Year 4, medium level. Your worksheet will have new questions. 1.5/7 + 3/7 = 2.7/8 − 1/8 = 3.4/10 + 9/10 = 4.6/8 − 4/8 = 5.4/6 + 2/6 = 6.3/6 − 2/6 = 7.1/4 + 1/4 = 8.6/7 − 5/7 =