Hungry monsters are on the loose! Frozen treats, pizzas, tacos - these are their favorite foods! In this workbook, you'll use bar models to solve addition and subtraction problems. Have fun!

In 2nd grade, students are expected to understand how to use bar models as a visual tool to help them solve addition and subtraction problems. They should be able to represent a problem by drawing a bar model, which includes drawing one or two bars to represent the quantities in the problem and using a question mark to represent the unknown quantity.