Third graders determine the outcome of each of the following situations and justify their findings: even number + even number = ?, even number + odd number = ?, odd number + odd number = ?, and odd number + even number = ?.

Students identify the main ideas or topics of a lesson plan or unit using the plus, minus and interesting graphic organizer. In this main idea or topic lesson plan, students examine the use of the PMI graphic organizer. They describe the...

For this mathematics worksheet, 1st graders solve a number of problems by adding a single digit number to other single digit numbers and timing how long it takes to complete the drill. There are 45 problems to solve on the sheet.