Bar Models Tool. Our new Bar Models tool provides a dynamic platform for creating visual representations of mathematical problems. In this tool, you can model your own word problems based in Cognitively Guided Instruction and Singapore Math. This beta version addresses single- and multi-step problems in addition, subtraction, and multiplication.
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These videos model sample problems in the Bar Models tool.
Anna and Raul caught fireflies one hot summer night. Anna caught 4 more fireflies than Raul. Raul caught 5 fireflies. How many fireflies did they catch together?
Julie has 5 apples. Lucy has 3 apples. How many more apples does Lucy need to have the same amount as Julie?
There were 3670 visitors at a museum. There were 1565 men and 1005 women. The rest were children. How many children went to the museum?
Jayden has 347 pennies. Elvis has 4 times as many as Jayden. Presley has 799 fewer than Elvis. How many pennies does Presley have?
Create your own story problems, from simple to multi-step. This tool is geared toward students in the 1st to 5th grades. See how many approaches can be used to solve a given problem. Problem types that are supported include:
Our curriculum authors have crafted a selection of sample prompts to help you get started. You can use these as standalone problems, or as a starting point for your own story problems-- simply copy and paste the text into the tool's prompt field.