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Count them.
11
22
33
44
55
66
77
88
99
101
111
121
131
141
151
161
171
181
191
202
212
222
232
242
252
262
272
282
292
303
313
323
333
343
353
363
373
383
393
404
414
424
434
444
454
464
474
484
494
505
515
525
535
545
555
565
575
585
595
606
616
626
636
646
656
666
676
686
696
707
717
727
737
747
757
767
777
787
797
808
818
828
838
848
858
868
878
888
898
909
919
929
939
949
959
969
979
989
999
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What numbers can you add to make a palindrome?
10+1=11 (which is a palindrome)
How many whole numbers in 10 and 1000?
Both 10 and 1000 are individual whole numbers.
How many natural numbers are there in 10 to 1000?
There are 1000 - 9 = 991 of them.
Is 10 a multiple of 1000?
No, 1000 is a multiple of 10. 10 is a factor of 1000. Factors go into numbers, numbers go into multiples.
How many palindromes are there between the numbers 10 and 1000?
99 palindromes.
What numbers can you add to make a palindrome?
10+1=11 (which is a palindrome)
How many whole numbers in 10 and 1000?
Both 10 and 1000 are individual whole numbers.
How many palindrome numbers are there between 9000 10000?
there are 10 palindromic numbers between 9000 and 10000 9009,9119,9229,9339,9449,9559,9669,9779,9889,9999
How many natural numbers are there in 10 to 1000?
There are 1000 - 9 = 991 of them.
How many numbers between 10 and 1000 are divisible by 11?
There are 90 such numbers.
Is 10 a multiple of 1000?
No, 1000 is a multiple of 10. 10 is a factor of 1000. Factors go into numbers, numbers go into multiples.
How many palindromes are there between the numbers 10 and 1000?
99 palindromes.
How many numbers from 10 to 1000 are palindromes?
99 of them.
How many numbers 1-1000 have a digit sum of 10?
63
How many combinations can you make using numbers 1 through to 10 each with three different numbers?
1000
What numbers multiply to make 1000?
10*10*10
How many three digit numbers are there?
There are 900 three digit numbers. (99 - 1000) (# of possible numbers in the first position = 9) (# of possible numbers in the second position = 10) (# of possible numbers in the third position = 10) 9 *10 *10 = 900
