Measure, Mix, and Learn with NIST Metric Recipes

Transform your classroom or home kitchen into a hands-on culinary laboratory by swapping volume cups for a digital scale. NIST Metric Recipes: Measure. Mix. Learn, Special Publication (SP) 1290 is a free, hands-on educational resource developed by the NIST Office of Weights and Measures that provides a collection of metric recipe cards paired with K to 12th grade instructional materials designed to learn the International System of Units (SI). Resources available on the NIST Metric Kitchen website include hands-on activities, printable worksheets, and companion videos that reinforce interdisciplinary math, science, engineering, art, and mathematics (STEAM) skills. Built with classroom utility in mind, the learning objectives are mapped to the Next Generation Science Standards (NGSS) and Common Core State Standards (CCSS) for Mathematics and English Language Arts (ELA). The guide provides background information designed to help educators and parents explore the measurement science background material, taking a deep dive into the metric system. SI writing style guidance showcases proper quantity formatting and capitalization rules, as well as acceptable unit symbols that are applied in the culinary arts.

The Metric Recipes and companion video series were developed as the result of multiple Montgomery College/NIST Professional Research Experience Program (PREP) research projects by interns Tanna Nguyen, Angie Tehrani, and Lloyd Bekele. The second edition of SP 1290 has evolved from a collection of standalone recipe cards into a fully integrated, standards-aligned K-12 culinary activity manual. The recipe selection has tripled, adding savory options like salad and honey Dijon dressing, alongside sweet recipes including a holiday gingerbread house (with structural templates), icing, and cocoa mix. Printable student worksheets and corresponding teacher answer keys help learners and educators document and evaluate the exercises. Discussion facilitation resources include prompts and assessment rubric to help evaluate student communication, technical vocabulary usage, and evidence-based arguments. The Measurement Process visual step-by-step guide details the importance of taring (zeroing) a scale. The Mise en Place activity teaches culinary organization, recipe sequencing, and procedural efficiency. Unit rate and graphing are key elements in the How Sweet activity. Students apply mathematical ratios to scale recipe components up or down in the Scaling a Recipe activity.

Who can use this resource?

All learners, whether students in a classroom or community members participating in a local STEAM event, will find that these activities provide several practical and academic benefits. Applying the metric system in daily life builds confidence and develops proportional reasoning while practicing measurement techniques. Because the SI is structured on the powers of ten, moving between units, like dividing by 1 000 to transition from grams to kilograms, makes abstract mathematical relationships easier to grasp. Learners discover firsthand why measuring by mass (grams) using a digital scale is significantly more accurate, repeatable, and consistent than relying on traditional volume measuring cups, which are prone to errors. By following a step-by-step measurement process, learners master how to zero out a scale to isolate and subtract container weight, a fundamental skill used across laboratory and trade settings. Successfully executing a recipe boosts a learner's self-confidence, problem-solving stamina, and ability to justify why they chose a specific scientific technique to achieve the best result.

Informal volunteers and parents are frequently looking to spark curiosity about STEAM careers at local libraries, career fairs, youth clubs, and at home. This guide provides excellent outreach tools that use a low-cost 5 kg kitchen scale and basic baking ingredients that make demonstrating metrology concepts highly accessible without requiring specialized laboratory equipment. It facilitates conducting easy, short, and impactful outreach demonstrations like the Measurement Process using the 6-step guide to taring a scale. Companion videos can be played on a laptop at a STEAM fair exhibit to demonstrate how easy it is to learn and use the metric system (Banana Bread, Brownies, and Chocolate Chip Cookies).

Classroom educators who are looking for interdisciplinary resources aligned with formal educational standards will find that these activities help build student vocabulary, logical reasoning, and reinforce laboratory skills. For more information, contact the NIST Metric Program (TheSI [at] nist.gov (TheSI[at]nist[dot]gov)).