Space Race | Adding 10 and 100

Space Race - Strengthen your child's ability to perform mental calculations by starting with adding 10 or 100 to three-digit numbers. Click on the correct answers to get your rocket going and win the race through space!

Common Core Standards

Mentally add 10 or 100 to a given number 100-900, and mentally subtract 10 or 100 from a given number 100-900.

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