Math Playground for Teachers
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
Ducky Race Subtraction - Learning Connections
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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