Learn how to subtract two-digit numbers using the disk model in a place value chart without regrouping. Drag disks into the chart to represent the first number, then remove disks that represent the second number. The number of disks left is the answer
B. Subtract 2-digit numbers without exchanging using place value cards to subtract tens and ones separately
C. Solve 2-digit column subtraction without exchanging
D. Exchange a ten for ones using a disk model
E. Subtract 2-digit numbers with exchanging using a disk model
F. Subtract 2-digit numbers with exchanging using place value cards
G. Solve 2-digit column subtraction with exchanging using a disk model
H. Solve 2-digit column subtraction with exchanging (Level 1)
I. Solve 2-digit column subtraction with exchanging (Level 2)
J. Solve 2-digit column subtraction with and without exchanging
K. Solve 2- and 3-digit column subtraction with and without exchanging ones (Level 1)
L. Solve 2- and 3-digit column subtraction with and without exchanging ones (Level 2)