Expanded Form
How would you write 654 in expanded form?
600 + 50 + 4
How is 800 + 40 + 1 written in standard form?
841
Which is the correct written form for 30?
A. Three zero
B. Thirty-zero
C. Thirty
C. Thirty
Which form needs to be corrected and why?
100+ 5 = 105 = one hundred fifty
word form/ one hundred fifty because the other two forms both have a zero in the tens place
How would you write 203 in expanded form?
200 + 3
How is one hundred thirty two written in expanded form?
132
How would 46 be written in word form?
A. forty-six
B. four six
C. forty six
A. forty-six
Which is not correct and why?
122 = 100 + 22 = one hundred twenty-two
expanded/100+22 because the one should be separated since it is not part of the tens place value.
Is this correct, why? 123 = 100 + 23
No, because 23 should be 20 + 3 in expanded form.
Which standard form number represents six hundred fifty-one?
A. 601
B. 651
C. 151
651
Which word form best represents the number 731?
A. seven hundred three-one
B. Seven hundred thirty-one
C. Seven three one
B. Seven hundred thirty-one.
Which one is not correct, why?
743 = 700 + 30 + 4 = seven hundred thirty four
standard form/743 because the other two forms have thirty-four and not forty-three
Is this correct, why? 1,205 = one thousand two hundred five
Yes, because each place value is represented
Write three hundred twelve in standard form.
312
Is this correct, why?
one hundred fifty-three = 100 + 50 + 3
Yes, because you have one hundred, 5 tens, and 3 ones
Which one is not correct, why?
555 = 500 + 50 + 5 = five hundred fifty five
word form because there is no hyphen between fifty and five
Explain what expanded form is.
Expanded form is writing a number to show the value of each digit. It is shown as a sum of each digit by its matching place value (ones, tens, hundreds, etc.)
Write one thousand fifty in standard form.
1,050
Explain when you might use word form to represent numbers besides in school?
will vary.... checks, essays, writing
Pick a number and write it in all three forms.
will vary