### Common Core State Standard

### 4.MD.A.2

Use the four operations to solve word problems involving distances, intervals of time, liquid volumes, masses of objects, and money, including problems involving simple fractions or decimals, and problems that require expressing measurements given in a larger unit in terms of a smaller unit. Represent measurement quantities using diagrams such as number line diagrams that feature a measurement scale.

*CCSS: 2.MD.C.8, 4.MD.A.2*

Be sure the customers pay the right fare. If you think the first levels are easy just wait until the crowds hit on the later levels. This game involves adding and counting money.

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

Guide the mining moles to the correct answer by changing the track switches so they reach the correct destination.