Space Race | Subtraction and 10 Less Game
Space Race - Building a foundation of place value and number sense is an important first step to gaining fluency with two-digit subtraction and 10 less. Select the correct answer to help your rocket fly fast and with the space race.
Common Core Math Standards
CCSS.MATH.CONTENT.2.NBT.B.8
Mentally add 10 or 100 to a given number 100-900, and mentally subtract 10 or 100 from a given number 100-900.
CCSS.MATH.CONTENT.3.NBT.2
Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.
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