Reading a number name and writing it with digits is how children show they understand the number system. Each line on this page has a number written in words, such as four hundred twelve, and your child writes it with digits on the line. The trick is to take the words one part at a time: four hundred is 400, and twelve is 12, so the number is 412.
Numbers with a zero in the middle, like five hundred six, are the hardest because there is no word for the tens place, so your child has to remember to write a zero there. Ask your child to say which places have something in them and which do not, and to read the finished number out loud to check it matches the words.
What your child will learn
Write a three-digit number in digits from its name
Use zero to hold a place with nothing in it
Check a number by reading it back
Common Core standard: 2.NBT.A.3
Worked example
Five hundred six means 500 and 6. There are no tens, so a zero goes in the tens place: 506.
Common mistake
Leaving out the zero when a place has nothing in it, writing 56 for five hundred six.
Helpful hint
Write the hundreds first, then the tens, then the ones.