Learn the relationship between ones, tens, hundreds, and thousands. Use a number line counting by ones, identify 10 ones as 1 ten. Similarly, use a number line and count by tens to rename 10 tens as 1 hundred and to rename 10 hundreds as 1 thousand
A. Recognize and represent 2-digit numbers as tens and ones (Part 1)
B. Recognize and represent 2-digit numbers as tens and ones (Part 2)
C. Recognize and represent 3-digit numbers as hundreds, tens, and ones
D. Recognize and represent 3-digit numbers with placeholder zeros as hundreds, tens, and ones
F. Convert among ones, tens, hundreds, and thousands using number and unit notation
G. Convert among ones, tens, hundreds, and thousands using unit notation
H. Review the concept of 1s, 10s, and 100s to build understanding of 1000
I. Convert among ones, tens, hundreds, and one thousand using base-10 blocks
J. Review conversion values among ones, tens, hundreds, and one thousand