Students will use a model of a 10-frame and some extra ones to decompose 2-digit numbers within 20. Students will complete an addition number sentence based on the model
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
C. Use 10-frames and remaining dots to add and solve for 2-digit numbers within 20
D. Count 11 to 19 objects in different arrangements
F. Decompose numbers 11-20 without using models
G. Complete number sentences involving numbers 11-20