Math for Thursday: Add or subtract? Pages 421-422
Adding joins groups to make bigger group.
Subtraction takes away to leave a smaller group.
Monday Jan. 12, 2026 https://youtu.be/qVSjByl9fNc?si=8WjMCl-b2ZSaFCr- https://youtu.be/Q3U_s31l_Wk?si=WVLFdPNvlBmIFo6h https://youtu.be/wrQ...
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