Game ideas for calculating

For all of these games remove the Duck Decimal Point card and try to avoid counting all the spots to find the total!

Blackjack

(This game is also excellent for building awareness of the gap between non-consecutive numbers).

Decide the number you are aiming for (traditionally 21 but can be a smaller number if more appropriate!)

Deal out 2 cards to each player. Each player then adds the total of their cards and decides if they would like another card to get closer to the total or to stick with what they have. Repeat until all players have decided to stick or have gone “bust” by going over the total.

Winner is the person nearest to the target number.

Make Ice

This game is like blackjack but in reverse to practise subtracting single digit numbers. The target number is zero (to make ice).
Choose an appropriate starting number (and if necessary remove some/all higher number cards.)

Deal out 2 cards to each player. Each player then adds the total of their cards and decides if they would like another card or to stick with what they have. Repeat until all players have decided to stick or gone “deep frozen” by going under zero.

Winner is the person nearest to zero.

Variation: Deal everyone 4 cards. Lowest number (possibly including negative numbers) wins.

Near-Double Trouble

Spread cards face down between players.

On ‘Go!” All players start turning over 2 cards at a time. If they are not consecutive numbers then they turn them back over and choose another 2 cards.

When a player turns over 2 cards that are consecutive numbers they shout “Near-double trouble!” and everyone else stops.

The player then adds the two cards by using double knowledge (i.e. for cards 3 and 4 they might say “3 add 3 is 6 so 3 and 4 is 7”). These cards are put aside and play continues.

Winner is first person to collect 4 pairs of cards.

Big Range/Little Range

Choose a target teen number.

Deal 2 cards to each player. They add their cards.
The range is the difference between their total and the target number (i.e if target number is 14, both 12 and 16 would have a range of 2.)
Decide before each round if the biggest or smallest range wins.

Easier version: choose a target number between 4 and 8 and deal one card each.

Harder version: deal 3 cards each.

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