Counting Through One Hundred

This gold coin has a face value of fifty dollars.

Good for you. You made it through the challenge of counting to fifty (50). Continuing to one hundred (100) should be a breeze. Just stay on course and keep changing the value in the tens column when you move to the number after nine. As a recap...

0,1,2,3,4,5,6,7,8,9 (the ones)
10,11,12,13,14,15,16,17,18,19 (the tens)
20,21,22,23,24,25,26,27,28,29 (the twenties)
30,31,32,33,34,35,36,37,38,39 (the thirties)
40,41,42,43,44,45,46,47,48,49 (the forties)
50 (that's where we finished)

Continue with that same pattern. Every ten numbers, you add one to the tens column.

50,51,52,53,54,55,56,57,58,59 (the fifties)
60,61,62,63,64,65,66,67,68,69 (the sixties)
70,71,72,73,74,75,76,77,78,79 (the seventies)
80,81,82,83,84,85,86,87,88,89 (the eighties)
90,91,92,93,94,95,96,97,98,99 (the nineties)

And then what? If you go to the next number in the tens and the ones columns, you are left with "00." Even though it might make a cool number to have on a football jersey, "00" is useless in math. The answer becomes clear when you remember that you are adding one value to the column after you hit the "9." In our case, the next number after "99" is "100." Think of it as a "10" in the tens column and a "0" in the ones column.

Looking at the Words

Again, it's like in the counting to fifty (50) section. When you spell out these numbers, you start with the tens value, add a dash, and then write out the singles value from the ones column. Remember that the tens value in English is written in a word that ends in "ty." In our examples you will need to remember fifty, sixty, seventy, eighty, and ninety.

Examples:
57 is Fifty-seven
68 is Sixty-eight
72 is Seventy-two
100 is One-hundred (It's special because you added a new column)

RELATED ACTIVITIES

Identify Numbers to One Hundred (100) Quiz
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"Before and After" - Counting Numbers to One Hundred (100)
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