Cardinal Numbers (Two-digit numbers) 1

Flashcards
Exercise by Dr Michael A. Riccioli (October 2025)

Flash Cards
You have a pile of cards.
a) Click NEXT to see card 1 (e.g. 10).
b) Click NEXT again to see card 2 (the number in letters) ten.
Repeat (a) and (b) as many times as you wish.
When you have memorised a pair of cards, click DELETE to make sides 1 and 2 of the selected card(s) to disappear from the pile.

10ten
11eleven
12twelve
13thirteen
14fourteen
15fifteen
16sixteen
17seventeen
18eighteen
19nineteen
20twenty