2nd Grade - Math - Place Value
Example: 253 = 200 + 50 + 3
263=200+60+3
What is 351 in expanded form?
300+50+1
What is 394 in expanded form?
300+90+4
What is 399 in expanded form?
300+90+9
20 + 20
40
35, 40, 45, 50, _________
55
10, 20, 30, 40, 50, 60, 70, __________
80
89, 90, 91, 92, ___________
93
Less than sign
<
Greater than sign
>
expanded form
A way to write numbers by
standard form
A way to write numbers by using the digits
The characters in Brainpopjr.
Annie and Moby
digit
Any one of the ten symbols 0, 1,
44 is greater than 48
False
Word Form
The form that uses writing to make a number.
place value
The value of a digit that is in a number, such as ones, tens, hundreds, etc.
value
The value of where the digit is in the number. Example: In 352, the 5 is in the "tens" position, so it shows a value of 50
digits
There are nine of them that make any number
48 is greater than 44
True
hundreds place
the third digit in a whole number
Example: 540 standard form
12,345
tens place
the second digit in a whole number; one of these means 10 ones
ones place
the first digit in a whole number
thousands place
the fourth digit in a whole number