Add the following digits in ones and tens column. One has been done for you.
43 = 4 tens + 3 ones
14 = 1 tens + 4 ones
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57 = 5 tens + 7 ones
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T O
4 3
1 4
_________
5 7
________
All two-digit numbers are composed of tens and ones. For example, in the number 56, 5 is at the tens place, and 6 is at the ones place. Here, each rod represents 1 ten and is comprised of 10 ones. Factoid 1: The numbers 10, 20, 30, 40… can be written as 1 ten, 2 tens, 3 tens, 4 tens, and so on.
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