Understanding that addition means putting together and subtraction means taking away is an important building block for young mathematicians. This guided lessons helps preschoolers master this concept, focusing on addition and subtraction within 5. Having a firm grasp of addition and subtraction is crucial for math fluency. Don't forget to check out the addition and subtraction printables that help to extend learning after the lesson is over.

Measurement and data in first grade includes such important concepts as comparing the length and weight of two objects using a third object. This guided lesson, designed by curriculum experts, takes students on an exploration of these measurement and data concepts. Once through with the lesson, kids can gain extra practice with measurement and data with the accompanying worksheets.