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Cargo Security - Subtraction Math Game
Content Skill: Subtraction
Common Core State Standards: CCSS.Math.Content.2.OA.B.2 - Fluently subtract within 20 using mental strategies. By end of Grade 2, know from memory all sums of two one-digit numbers.
This is the Cargo Security company! Click "PLAY" to begin.
Choose the fact family or families you would like to practice by clicking on the numbers and then hitting "done."
Solve the subtraction problem by dragging the crate with the correct answer to Officer Hubert.
If it's the right answer, Officer Hubert will scan the crate and a crane will take it away! If it's the wrong crate, he will send it back.
Load twenty of the right crates for the ship to be ready to go! Click "Play Again" to help out Officer Hubert again.