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To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

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PDD - numbers

QuestionAnswer
1000 mil
2000 dos mil
3000 tres mil
4000 cuatro mil
5000 cinco mil
6000 seis mil
7000 siete mil
8000 ocho mil
9000 nueve mil
100 cien
100+ ciento
200 doscientos
300 trescientos
400 cuatrocientos
500 quinientos
600 seiscientos
700 setecientos
800 ochocientos
900 novecientos
10 diez
11 once
12 doce
13 trece
14 catorce
15 quince
16 dieciséis
17 diecisiete
18 dieciocho
19 diecinueve
20 veinte
30 treinta
40 cuarenta
50 cincuenta
60 sesenta
70 setenta
80 ochenta
90 noventa
1st primero
2nd segundo
3rd tercero
4th cuarto
5th quinto
6th sexto
7th séptimo
8th octavo
9th noveno
10th décimo
Created by: KateJ