Chopper Challenge - Subtraction

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Chopper Challenge - Operation Air Mail Subtraction 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 Chopper Charlie deliver packages while practicing the subtraction facts in this free online game. Fly the helicopter and its subtraction cargo to the farm with the matching answer displayed on the barn doors. Deliver it before running out of fuel. Watch out for the towers, birds, and hot air balloons!
Subtraction is fun when playing Charlie's Chopper Challenge!

Instructions

Welcome to Chopper Challenge Subtraction | Multiplication.com 
Step 1
After the game loads, select a level to begin.
Choose Fact Families for Chopper Challenge Subtraction | Multiplication.com 
Step 2
Choose the subtraction fact families you would like to practice by clicking on the switches. 
Instructions - Click on "INSTRUCTIONS" to see the games instructions.
Take Off - Click on "TAKE OFF" to begin the game.
How to Play Chopper Challenge Subtraction | Multiplication.com 
Step 3
Instructions - The Preflight Checklist has detailed instructions for playing the game.
- Use the arrow keys to control the helicopter.
- Lower the helicopter and package to the correct barn. 
Get Ready to Fly in Chopper Challenge Subtraction | Multiplication.com 
Step 4
After you click on the "TAKE OFF" button, packages will be loaded into the helicopter. Then it will automatically take off and hover. To begin flying, press the arrow keys.
Carry Packages in Chopper Challenge Subtraction | Multiplication.com 
Step 5
The helicopter heads-up display:
- Top display (left to right)
   - Your score
   - Pause button
   - Sound ON or OFF
   - Next problems
   - Helicopter lives left (you have 3)
- Lower Display (left to right)
   - Current problem (enlarged)
   - Radar of barns with problems
   - Fuel gauge  
Crash Landing in Chopper Challenge Subtraction | Multiplication.com 
Step 6
Be careful that you don't run out of fuel or hit a tower! If you do crash, Charlie will climb out of the helicopter and kick the dirt and then you'll have a new helicopter hovering ready to fly.
Deliver Packages in Chopper Challenge Subtraction | Multiplication.com 
Step 7
When you lower the helicopter to the correct barn, the barn will glow. The helicopter will automatically return to a hover and a new problem will be displayed.
You Won Chopper Challenge Subtraction | Multiplication.com 
Step 8
Successfully answer the problems correctly and head to level 2 and 3 with more obstacles to dodge!
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