Common Core State Standard
Use place value understanding to round decimals to any place.
CCSS: 5.NBT.A.4, 4.NF.A.1, 6.NS.C.7
Slide the math gate back and forth to allow the correct number balls to cross while preventing the wrong ones from crossing. Choose to practice one of four skills: negative number comparison, decimal rounding, equivalent fractions or reducing fractions.
A fun physics math game where you'll need to use your decimal rounding skills to beat each level.  Use the catapult to knock down the correctly rounded number.