Color Dots
Instructions
STEP 1
Click the big Start button to start the 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.
Educator Info
Game Info
Color Dots challenges students with a fast-paced math game! Players solve eight subtraction problems to unlock the game and test their speed.Skills Practiced
Subtract within 20
Fluency with subtraction facts
Commutative property of subtraction
Recommended For
Grade 1, Grade 2, Grade 3, Grade 4Warm-Up
Give the student a die (or two for bigger numbers). Ask the student to roll the die, use the numbers to create a subtraction problem, and then explain the solution to the problem they created.Play these games:
Follow-Up
Ask the student to create a subtraction word problem (e.g., "You have 3 stickers, and then you give your friend 2. How many do you have now?"). Then, ask them to explain how to solve the problem.Play these games:
