5.NBT.B.7
Decimalcon Defense
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Game Info for Teachers
COMBINED RATING
3.4 Stars
TEACHERS (7)
3.1
STUDENTS (975)
3.6
LENGTH
18 Minutes
GRADES
3
4
5
CAPABILITIES
iPad Support
ES
Spanish Language Support
Text-to-Speech Support
Saves Progress
Description
The Decimalcons are trying to invade Earth! Learn math with decimals in order to defend Earth in exciting space battles!
Vocabulary Words
decimals
fractions
place value
whole numbers
quotient
dividend
divisor
remainder
regroup
proportion
Instructions
Play through this interactive game to learn about Arithmetic with Decimals. Suitable for Grade 3, Grade 4, Grade 5.
Main Concepts
Multiply or divide decimal numbers using strategies based on place value the properties of operations and/or the relationship between operations.
Add or subtract decimal numbers using strategies based on place value the properties of operations and/or the relationship between addition and subtraction.
Multiply or divide decimal numbers without models.
Multiply or divide decimal numbers with models.
Add or subtract decimal numbers without models.
Add or subtract decimal numbers with models.
Discussion Questions
Before the Game
How are addition and subtraction related? How are division and multiplication related? How are decimals related to fractions? What are the place values as you go to the right of a decimal?
After the Game
What is the process for adding and subtracting decimals? Why are decimals more precise numbers than whole numbers? When multiplying two decimal numbers, how do you know where to place the decimal in the answer? How can you quickly multiply a decimal number by 10 or 100?
Ratings & Reviews
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Ratings Breakdown
Teacher Ratings
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Student Ratings
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Game Details
Difficulty
Content Integration
Lexile Level
705
