Unknown Story

Ok. *look above*.
Blue: TeacherGreen: KidPurple: Narrator(This is also the order they speak.)
The Sum is the circled number 4 because it is the answer to the addition problem.
Show me a problem with a sum.
Ok. *look above*.
The difference is 136 *the circled number* because it is the answer to a subtraction problem.
345 209 136
Show me a problem with a difference.
Estimating is rounding numbers and solving the problem. *You can also use compatible numbers*.
Ok. *look down*.
Estimate 216+853=*please round to the hundreds place*
Ok. Two thousand, five hundred eighty five.
Write 2,585 in word form.
Word form is writing something like you would in a sentence, in words.
Ok. 300+70+9=379.
Show me the expanded notation of 379.
Expanded notation, or expanded form, is showing the value of each digit in a number, or splitting it into ones, tens, hundreds, and whatever other digits are in the number.
Remember, if a number has a 0 in any digits, go to the next digit and don't write anything.
Standard notation, or standard form, is showing the number in base 10 numerals, or 1,2,3,4,5,6,7,8,9, and 0. Of course, only use the numbers in your number.
Ok. 637, easy.
I try.
Show me 637 in standard notation.
Man, You're a smart kid!

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