Students determine a 2- or 3-digit number based on a disk model. They subtract a ten or hundred disk from the chart and determine the new total. They then solve similar problems without the disk model
A. Determine 10 or 100 more with and without a place value chart
C. Determine 1/10/100 more or less (Part 1)
D. Determine 1/10/100 more or less (Part 2)
E. Determine 1/10/100 more or less (Part 3)
F. Compare using 1, 10, or 100 more or less
G. Determine 1 or 10 more across place values
H. Determine 1 or 10 less across place values
I. Count up and back by 1s (3-digit numbers)
J. Count up and back by 10s or 100s (3-digit numbers)
K. Counting patterns (Level 1)
L. Count up by 10s
M. Count up by 1s and 100s
N. Counting patterns (Level 2)