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Ducky Race Subtraction
Do you know subtraction facts through 12? Can you subtract numbers in your head?
Practice this important skill and help your duck win the race.
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Ducky Race Subtraction - Learning Connections
Essential Skills
Mental Math - fast recall of subtraction facts
Problem Solving - match mathematical expressions with the correct value

Common Core Connection for Grades 1 and 2
Understand subtraction as an unknown-addend problem.
Apply properties of operations as strategies to subtract.
Subtract within 20.
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