Cardinal Numbers (Two-digit numbers) 1 (10-30)

Numbers and Figures

Exercise by Dr Michael A.Riccioli (October 2025)

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. Note that you will lose points if you ask for hints!
   eighteen      eleven      fifteen      fourteen      nineteen      seventeen      sixteen      ten      thirteen      thirty      twelve      twenty      twenty-eight      twenty-five      twenty-four      twenty-nine      twenty-one      twenty-seven      twenty-six      twenty-three      twenty-two   
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30