CORRECTED. The common-core math standards require that students learn the standard algorithm for multi-digit adding and subtracting—you know, the process in which you line the numbers up ...

The basics: In math, students learn the concept of rates and ratios and use these tools to solve word problems. Students work on dividing multi-digit whole numbers and adding, subtracting, multiply… ...

Multi-digit whole numbers. Quickly and accurately, add and subtract multi-digit whole numbers up to 1 million (1,000,000). Factors.