A box is 4 cm long, 3 cm wide, and 2 cm high. What is its volume?
volume problem
Multiply the three dimensions to find cubic units.
Example: 4 x 3 x 2 = 24 cubic cm.
Solve practical problems about box volume, elapsed time, and angle or shape properties.
Some problems ask how much space something holds, while others ask how long something takes. Reading the unit carefully helps you choose the right strategy.
Open one card at a time, read the text together, and use the audio button when hearing the line once helps.
volume problem
Multiply the three dimensions to find cubic units.
Example: 4 x 3 x 2 = 24 cubic cm.
elapsed time
Count from 8:35 to 9:00, then to 9:20.
Example: The trip takes 45 minutes.
shape property
Properties help identify and describe shapes.
Example: Rectangles have special angle and side features.
unit choice
Correct units are part of a correct math answer.
Example: Units help confirm the kind of problem you solved.
These next steps stay in the same stage so the child does not get sent backward.
Use tenths and hundredths in practical settings like money, length, and weight.
Break a larger problem into smaller steps and decide which operation to use at each stage.
Add and subtract fractions with like denominators and connect them to mixed-number thinking.