Math for Thursday: Add or subtract? Pages 421-422
Adding joins groups to make bigger group.
Subtraction takes away to leave a smaller group.
Wednesday May 6, 2026 https://youtu.be/ry9QBeQhJus?si=i_7nbgU5GjWjyZjE https://youtu.be/4yhAVIJegcc?si=MmbYVUfnv4h6RVGV https://youtu.be/HN...
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