### Common Core State Standard

### 3.NBT.A.1

Use place value understanding to round whole numbers to the nearest 10 or 100.

*CCSS: 3.NBT.A.1*

Steer your boat with rounding! The reversed version of Mathboat Rounding to Nearest 10 where instead of rounding the number in the direction arrow you'll need to come up with a number that rounds to the number in the direction arrow. Video Instructions

*CCSS: 3.NBT.A.1, 4.NBT.A.3*

Mathboat rounding now with rounding to the nearest 100. Steer your boat by rounding the numbers in the direction arrows to the nearest 100. Video Instructions

*CCSS: 3.NBT.A.1, 4.NBT.A.3*

The reversed version of Mathboat Rounding to Nearest 100 where instead of rounding the number in the direction arrow you'll need to come up with a number that rounds to the number in the direction arrow. Video Instructions

*CCSS: 3.NBT.A.1, 4.NBT.A.3*

Solve the rounding numbers question to put the lid on the box of chocolates. Do it quickly before the monsters can steal your chocolates!

*CCSS: 3.NBT.A.1, 3.NBT.A.2, 4.NBT.A.3*

The number rounding version of Math Tank Run. Round correctly to figure out which mine is safe to pass over. One mistake and your tank is out of commission.

*CCSS: 3.NBT.A.1*

The rounding version of the popular driving math game Math Transport. You'll need to round the answers to the problems carefully, load up the trailers and carefully drive to the end of the level to get 3 stars.

*CCSS: 3.NBT.A.1*

A PacMan style game with a rounding twist! In this game you'll need to know how to round to the nearest ten so that you can gobble up the ghosts.