Use a number line to solve addition problems with a 2-digit number plus a 1-digit number. Put the grasshopper at the 2-digit number and then move him the number of spaces indicated by 1-digit number. Enter the result into the equation
A. Identify a missing single-digit addend to reach the next round number with and without a model of base-10 blocks
B. Identify a missing addend to reach a sum of 20 with and without a model of base-10 blocks
D. Solve +/- equations within 100
E. Model and solve +/- equations across 10 using base-10 blocks
F. Solve +/- equations across 10 (Part 1)
G. Solve +/- equations across 10 (Part 2)
H. Solve +/- equations within 100