







Centimeter quantities → Add two saved measurements → Finds the total length shown by each modeled measurement problem.
Illustrated measurement models → Connect numbers to units → Uses cm labels while solving without treating pictures as life-size tools.
Four written problems → Check addition work → Compares addends and totals to notice whether answers make sense.

Six-year-olds often understand the counting part of addition before the measurement language feels natural. This page keeps the job clear: work through four addition problems with quantities in cm. The illustrated rulers, scales, or measuring containers match the saved quantities, so the pictures support the numbers without asking kids to use them as real measuring tools.
This is a good fit when a first grader can add small numbers with support and is ready to attach an answer to a unit. Sit beside them, read each problem aloud if needed, and point to the unit label before they solve. A simple prompt like “What are we adding, and what unit will the answer use?” helps them slow down without turning it into a long lesson.
The practice builds one narrow skill at a time: read the measurement quantity, add the numbers, and write or say the total with centimeters. Remind your child that the pictures are models, not life-size rulers or containers. If they try to measure the drawing, gently bring them back to the printed quantities and the addition problem.
After this page, you can keep the measurement idea fresh with a different comparison task, such as the Feet Comparison Measurement Worksheet, which asks kids to look at which measurement is greater or less. If they are ready to practice another operation with units, the Pints Subtraction Measurement Worksheet gives a similar measurement setting while switching the math action to subtraction.
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