### Common Core State Standard

### 7.NS.A.2c

Apply properties of operations as strategies to multiply and divide rational numbers.

*CCSS: 7.NS.A.1b, 7.NS.A.1c, 7.NS.A.1d, 7.NS.A.2a, 7.NS.A.2b, 7.NS.A.2c*

Drag and drop the positive or negative integer that will complete the number sentence correctly Play using addition, subtraction, multiplication or division.

*CCSS: 7.NS.A.1d, 7.NS.A.2c*

Feed Mathfish all of the positive and negative numbers in such a way that the running total ends at zero but never goes below zero. It gets challenging on higher levels when math operations are added.

*CCSS: 7.NS.A.1b, 7.NS.A.1c, 7.NS.A.1d, 7.NS.A.2b, 7.NS.A.2c*

Create Golden Zeros by combining numbers to equal zero. Create as many Golden Zeros as you can in the allotted time!

*CCSS: 7.NS.A.1b, 7.NS.A.1c, 7.NS.A.1d, 7.NS.A.2b, 7.NS.A.2c*

Golden Zeros with levels! You'll still need to create Golden Zeros but you'll have to meet the goals of each level to complete it.

*CCSS: 4.NF.A.1, 5.NBT.B.7, 6.NS.B.3, 7.NS.A.1d, 7.NS.A.2c, 7.NS.A.2d*

Snake Math Advanced Basic too easy for you? Then play this game, Snake Math Advanced, for a real challenge! Just like Snake Math Advanced Basic but a little harder.

*CCSS: 4.NF.A.1, 5.NBT.B.7, 6.NS.B.3, 7.NS.A.1d, 7.NS.A.2c, 7.NS.A.2d*

Like Snake Math above but in this game you get to choose to play using equivalent fractions, fractions to decimals, decimal operations or positive/negative integer operations.