Cargo Security - Subtraction

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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.

Description

Help security officer Hubert finish his shift by getting the correct crates inspected and loaded onto the barge. He will scan them to make sure they are safe for travel.

Instructions

Welcome to Cargo Security Subtraction | Multiplication.com 
Step 1
This is the Cargo Security company! Click "PLAY" to begin.
Choose Fact Families in Cargo Security Subtraction | Multiplication.com 
Step 2
Choose the fact family or families you would like to practice by clicking on the numbers and then hitting "done."
Solve the Facts in Cargo Security Subtraction | Multiplication.com 
Step 3
Solve the subtraction problem by dragging the crate with the correct answer to Officer Hubert.
Load the Right Crates in Cargo Security Subtraction | Multiplication.com 
Step 4
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.
You Won Cargo Security Subtraction | Multiplication.com 
Step 5
Load twenty of the right crates for the ship to be ready to go! Click "Play Again" to help out Officer Hubert again.
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