The standard form of one thousand two hundred forty is ?
1,000s
100s
10s
1s
?
?
?
?
When converting numbers from word form to standard form, express the number name on a place-value chart and convert the place-value disks to numbersFor example, 345 becomes 3 hundreds, 4 tens, and 5 ones, so the word form is three hundred forty-five
