Grade+2


 * Grade Two**

By the end of grade two, students understand place value and number relationships in addition and subtraction, and they use simple concepts of multiplication. They measure quantities with appropriate units. They classify shapes and see relationships among them by paying attention to their geometric attributes. They collect and analyze data and verify the answers.
 * Mathematics Content Standards**


 * Bicycle Proof Lesson; using addition sentences in problem-solving situations:
 *  Big Ideas of Fractions