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Everyday Math Unit 2 - Addition & Subtraction

Need a little help practicing your addition and subtraction facts or with bigger addition/subtraction problems? Try one of these websites to help practice those skills!

**Math Mayhem** is a website where you can practice you math facts (addition, subtraction, multiplication, or division) against other people on the web. You can input your first name or leave it as guest. It's a race of the clock to answer as many problems as you can in that time. At the end you'll see your score compared to others who played at the same time. It's a lot of fun! Try it out by clicking here!

"**Math Baseball**" is a game that Everyday Math has as well as the great website, FunBrain. Here you can play the game at home, by yourself! You can choose addition, subtraction, multiplication, or division. For each right answer you get you a hit. FunBrain will decide if that hit is a single, double, triple, or home run. If you get an answer wrong then you get an out. Just like in baseball, three outs and the inning (game) is over. Try "Math Baseball" here!

If you need a visual for numbers, try using **virtual base ten blocks**! Your job is to drag base ten block pieces (cubes, rods, and flats) to create numbers. Hands at the bottom will clap and you'll hear cheers if you get it correct! It's a good way to practice what digits in a number mean! Practice using base ten blocks here!

Is **rounding** hard/confusing for you? Here is a site where you can play the "Sea Shell Rounding" activity. Make the numbers that end in 1 through 4 into the next lower number that ends in 0. For example 84 rounded to the nearest ten would be 80. Numbers that end in a digit of 5 or more should be rounded up to the next ten. The number 58 rounded to the nearest ten would be 60. Look at the number on each shell. Click on the nearest ten. Collect a sand dollar each time you choose the correct answer! Try it by clicking here!
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