Tyler's train was 63 cubes long. He broke off some cubes. Now his train is 37 cubes long. Does this number line show how many cubes Tyler broke off the train? Explain your thinking

Andre has 37 cubes. Then he added 39 cubes to his train. How many cubes did Andre use in his train?

Clare started with 24 cubes and added on some more. Clare made a train with 42 cubes. How many cubes did she add? Show or explain your thinking

Han's train was 37 cubes long. Then he added 63 more cubes. How many cubes long is Han's train now? Select two representations that can be used to solve the problem and then solve.

Jada's train was 37 cubes long. Then she added some more cubes. Now her train is 63 cubes long. How many cubes did she add? She your thinking on the number line.

Mai wanted her train to be 55 cubes long. So far she has 47 cubes. How many more cubes does she need?

Lin made a train from some cubes. Then she added 37 more cubes. Now her train is 63 cm cubes long. How many cubes long was her train at first?