Using physical materials outdoors is a great way to introduce your students to subtraction. For this activity they take a task card and use leaves, stones, and sticks to help them work out the simple subtraction on the card.
This resource contains two levels of differentiation:
Diff 1 (green) – Numbers 1 to 10
Diff 2 (blue) – Numbers 10 – 15
To help the task cards last, we laminate the them and get our student to write the answers on in removable pen.
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