Fluency with subtraction is one of the foundations of the first grade math curriculum. This guided lesson on subtraction was designed by our team of curriculum experts to reinforce first graders' understanding of subtraction, as well as boost their confidence with this operation. When finished with the lesson, kids can find extra opportunities to practice subtraction with the accompanying subtraction worksheets.

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.