Students find ten more or ten less than a given 2-digit number
A. Review tens numbers to 100
B. Identify the missing tens numbers
C. Show 2-digit numbers in unit form
D. Express the same values as a 2-digit number and tens and ones
E. Label the place value of a number
F. Identify the 2-digit number represented
G. Match whole numbers to the corresponding unit form
H. Use addition to show that a number is composed of a tens number and some ones
I. Find one more or one less than a number
K. Count forward and backward by ones from a number
L. Identify the rule and continue the pattern
M. Use <, =, and > to compare numbers
N. Explore representations of numbers to 120
O. Write the numeric and word form for numbers to 120
P. Represent numbers to 120 in numeric and word form
Q. Count from 100-120
R. Count forward and backward by ones from 100-120
S. Add 1- and 2-digit numbers to 100 to compose numbers to 120
T. Identify the rule and continue the pattern up to 120