# Rooftop Ride - Subtraction

## Rooftop Ride - 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

Have fun practicing subtraction facts while zipping along the rooftops on your skateboard! Gather coins, but be careful of the rooftop chimneys, air conditioners, and patches of oil. As the game progresses, the levels increase in speed and difficulty. Occasionally,  you will come across some magic coins that cause a subtraction problem to pop up and the skateboarder will freeze. To continue, select the correct answer. The facts presented are not random. Our probability engine chooses the problems based on difficulty and your progress. This game makes practicing subtraction facts fun and exciting. Kids WANT to practice the subtraction facts with super cool games like Rooftop Ride!

## Instructions

Step 1
The opening screen reminds players to JUMP by pressing the left mouse button. To jump higher, hold the left button down longer. The object is to collect as many coins as you can while answering subtraction facts. To begin the action, click anywhere on the opening screen.

Step 2
The skateboarder skates to the right. The number of feet he has traveled is shown in the upper right corner of the screen. Below it is the number of coins collected.

Step 3
Some of the coins are magic and won't let you travel farther until you have correctly answered a subtraction fact. Click on the correct answer to continue.

Step 4
You will run into more hazards as you venture further into the city. To jump over them, hold down on the mouse button. For longer and higher jumps hold down on the mouse button longer.

Step 5
When you fail to jump to the next building the game ends. The screen displays the distance you traveled, the number of coins you collected, and your total score. To play again, click on "ONE MORE TRY?" Good luck!