Cut each index card in half for a total of 30 pieces. Copy a number or phrase listed below onto each piece. Shuffle the pieces and arrange them face down in a 5 × 6 rectangular array.

Numbers and phrases to be put on cards:
10% of 38	50% of 38	1% of 38	25% of 80	40% of 80
20% of 80	75% of 80	80% of 55	60% of 55	% of 81
% of 42	12.5% of 40	37.5% of 32	30% of 70	1% of 190
1.9	21	12	5	28
16	60	44	33	27
3.8	0.38	19	20	32

Players take turns turning over two cards and checking for a match. If a player finds a match, they keep those two cards and turn over two more cards. Play continues until all cards have been matched. The player with the most cards at the end of the game wins.