Number & Operations in Base Ten

I Can Use Place Value and Operations to Help Me Understand Math
 I can understand and explain the value of digits. 5.NBT.1
 I can explain patterns when multiplying a number by powers of 10. 5.NBT.2
 I can explain patterns when a decimal is multiplied or divided by a power of 10. 5.NBT.2
 I can read, write, and compare decimals to thousandths. 5.NBT.3
 I can use place value understanding to round decimals to any place. 5.NBT.4
 I can multiply multi-digit whole numbers. 5.NBT.5
 I can divide four-digit dividends by two-digit divisors. 5.NBT.6
 I can illustrate and explain a division problem using equations, arrays and/or models. 5.NBT.6
 I can add, subtract, multiply, and divide decimals to hundredths. I can use concrete models or drawings to explain the method used. 5.NBT.7

Thou shalt know your math facts

Math Games at Sheppard Software to practice addition, subtraction, multiplication, and division facts

Arcademic Skill Builders - Website with fun, arcade-type games to practice the four basic operations. Both single- and multi-user games.

Decimals

Mr. Nussbaum's Decimal Games

Decimals at Sheppard Software

Decimal games at Gamequarium

Decimal help & tutorials

Decimal Games

Online decimal games at www.free-training-tutorial.com

Decimal math games at math-play.com

Decimal Squares Interactive Games

More Resources & Games

Online games for the four operations and order of operations - Many of these games practice mental math and logical thinking.

A list of games and resources online for place value, even and odd numbers, Roman numerals, large numbers, and rounding

Mental Math Wikibook - Explains with examples lots of common mental math techniques and strategies, for addition, subtraction, multiplication, and division.