Games
Short games for the things that have to become automatic.
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Bond Rush
How many bonds can you break in sixty seconds?
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Area Rush
Cut the rectangle into tens and ones, and the hard one gets easy.
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Unit Rush
Find one unit, and the rest of the problem falls open.
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Bigger or Smaller?
One tap. Decide before you work it out.
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Move the Point
The digits move. The point stays where it is.
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Which is Bigger?
3/5 or 3/8? Trust the pieces, not the numbers.
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Table Rush
It remembers which tables you miss, and gives you those.
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Tens First
Tens with tens, ones with ones. Then put it back together.
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Same Pieces
Cut them both the same way, then count.
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Line It Up
Points under points. The ends can go where they like.
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In Common
Where do fours and sixes meet?
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Make One
One is three eighths and what?
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Square It
40 × 34 + 9. That is 37 squared.
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What's Left
What is left over, without doing the division.
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Near a Hundred
97 × 98, in two steps you can do in your head.
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The Whole Run
Add fifteen numbers in one step.