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Playing Divisibility Dash helps kids recognize multiples using divisibility tests
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Besides creating 90, can you think of another combination
that creates a 2-digit number that is also a multiple of 9?
Divisibility Dash is an Everyday Math game taught to fifth graders. It helps students identify multiples by using their divisibility rules. One of the easiest rules that most students learn first are multiples of two. A number is divisible by two if it is an even number. No matter how large the number, students only need to look at the ones place and find a 0, 2, 4, 6, or 8 to know that the number is even and divisible by two.
All that is needed is a deck of cards. Aces become ones. Jacks become zeros. Remove the Queens and Kings from the deck. Take a 2, 3, 5, 6, 9, and 10 from the deck and put it in a separate pile. This will become your divisor cards. The rest of the deck will be in a draw pile and will form the dividend.
Put the divisor deck in a pile at the center. Shuffle the draw pile and deal eight cards to each player. Place the remaining draw cards number-side down next to the divisor cards.
For each round, turn the top divisor card over. Players take turns. Players make as many 2-digit numbers that are multiples of the divisor card. A card used to make one number may not be used again. If the divisor card were 5, a 2-digit number could be 20. If a player cannot make a 2-digit number that is a multiple of the divisor card, that player draws a card from the draw pile.
If another player disagrees that a 2-digit number is a multiple of the divisor card, that player may challenge. Players use the divisibility test for the divisor card value to check the number in question. Any numbers that are not multiples are returned to the player’s hand.
At the beginning of each new round, players need a minimum of eight cards in their hand. When there are no more cards to be played, the player with the most cards used to make 2-digit multiples is the winner.
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