Given a group of dots, students will make a complete 10-frame and count the remainder. They will add the two numbers together to get the total number. Numbers in the task are within 20
A. Count to 2-digit numbers within 20 with or without separating a group of ten objects into a ten-frame
B. View an incomplete number line and put missing 2-digit numbers within 20 in the correct spot
D. Count 11 to 19 objects in different arrangements
E. Decompose numbers 11-20 using models involving 10-frames
F. Decompose numbers 11-20 without using models
G. Complete number sentences involving numbers 11-20