This PDF has 12 task cards on the standard 4.NBT.1
Questions are influenced from Florida Education Test Specification.
Check out my other 4.NBT task cards or even the NBT BUNDLE
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Task Cards 4.NBT Bundle
Task Cards 4.NBT.1
Task Cards 4.NBT.2
Task Cards 4.NBT.3
Task Cards 4.NBT.4
Task Cards 4.NBT.5
Task Cards 4.NBT.6