Have your students collect colourful seashells while subtracting numbers with this interactive task card activity.
This resource contains 34 interactive task cards that focus on subtracting numbers to 20. Each card features a given subtraction equation and 6 seashells that contain a difference. The goal of this activity is for the students to choose a card and identify the given equation. Then, they will be tasked to subtract the numbers and put a checkmark on the shell that has the correct difference.