Sketch's World - Subtraction

Sketch's World Subtraction

Common Core

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.


Practice your subtraction facts while enjoying a fun challenge!  Help Sketch collect pencils but… beware of the sliding erasers!  Jump on top of the erasers and they will disappear.  Also don’t forget your paint palette before you exit through the door otherwise you will have to jump through the obstacles for a while longer.  This free online game will help you erase away your subtraction errors.



Sketchs World Step 1Click on the START button to begin the game.
Sketchs World Step 2Choose the facts you would like to practice.  Sketch's World gives you a choice to practice the individual subtraction fact groups 0 through 12.  It also lets you choose fact family ranges.  When you have chosen the fact family you would like to practice, click on START.
Sketchs World Step 3This is where you get to practice the subtraction facts.  Click on the sign with the correct answer to the equation at the top of the page.
Sketchs World Step 4Game Directions:
1. Move left and right with the left and right arrow keys on the keyboard.
2. Jump by clicking on the spacebar.
3. Jump on top of the evil erasers to destroy them. 
4. Gather as many erasers as you can.
5. Before you can move to the next level, you need to find the art palette.
Sketchs World Step 5Use the arrow keys and space bar to maneuver through the different levels.  

After you pass a level, you will need to answer 10 more equations.