2.OA.B.2
Bubble Brigade
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Game Info for Teachers
COMBINED RATING
4.3 Stars
TEACHERS (2)
4.0
STUDENTS (212)
4.5
LENGTH
12 Minutes
GRADES
1
2
K
CAPABILITIES
iPad Support
ES
Spanish Language Support
Text-to-Speech Support
Saves Progress
Description
Move your bubble cloud through the rainbow track and grow to the correct size before you reach the finish line!
Vocabulary Words
addition
subtraction
mental math
Instructions
Play through this interactive game to learn about Fluently Add and Subtract Within 20. Suitable for Grade 1, Grade 2, K.
Main Concepts
Know from memory all sums within 20 of two one-digit numbers.
Use the relationship between addition and subtraction to add or subtract within 20.
Understand subtraction as an unknown-addend problem. Focus on subtraction within 20 with one-digit minuends and subtrahends.
Know from memory all sums of two one-digit numbers
Know from memory all subtraction facts within 20 related to sums of two one-digit numbers.
Fluently subtract within 20 using mental strategies.
Fluently add within 20 using mental strategies.
Discussion Questions
Before the Game
What is the difference between addition and subtraction? What happens to the number when you add? What happens to the number when you subtract?
After the Game
Solve: 14 - 5. Solve: 6 + 11. Solve: 11 - 3
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Game Details
Difficulty
Content Integration
Lexile Level
N/A