1) 100, 200, 300, _____, _____ a) 200, 100 b) 300, 400 c) 400, 500 d) 500, 600 2) 20, 40, ____, 80, 100 a) 30 b) 40 c) 50 d) 60 3) 400, 500, 600, _____, _____ a) 400, 500 b) 600, 700 c) 700, 800 d) 800, 900 4) 750, ____, 850, 900, ____ a) 800 and 950 b) 825 and 925 c) 700 and 800 d) 400 and 600 5) 400, _____, 600, 700, 800, 900 a) 400 b) 500 c) 600 d) 700 6) 5, 10, 15, _____, _____, _____ a) 15, 25, 35, b) 20, 30, 40, c) 25, 35, 45, d) 20, 25, 30 7) 10, _____, 14, 16, _____ a) 11 and 17 b) 12 and 18 c) 13 and 19 d) 20 and 30 8) ______, 150, 200, 250, ______ a) 100 and 300 b) 100 and 350 c) 150 and 400 d) 100 and 200 9) _____, ______, 600, 800, 1000 a) 100, 200 b) 200, 300 c) 400, 600, d) 200, 400 10) Hard question! ____, _____, _____, _____, 300, 350, a) 50, 100, 150, 200 b) 100, 200, 300, 400,  c) 100, 150, 200, 250 d) 150, 200, 250, 200

Leaderboard

Visual style

Options

Switch template

Continue editing: ?