Montana Math MT.4.MD.1

Math4th GradeMeasurement and Data

The Standard

Know relative sizes of units within one system of measurement and within the system, express measurements of a larger unit in terms of a smaller unit.

2026 Montana Mathematics Content Standards

Teacher's field guide

What This Standard Means

What Students Need to Do

Students compare units in the same measurement system, such as inches and feet or centimeters and meters. They use known unit relationships to express a length in smaller units, such as 3 feet as 36 inches.

What Mastery Looks Like

A student can explain that a yard is longer than a foot and show that 2 yards equals 6 feet. They use multiplication to convert to smaller units and label the answer.

Common Misconceptions

Students may say 3 feet is 15 inches because they add 12 and 3 instead of multiplying. Some divide by 12 or mix units from different systems.

How to Assess It

Ask: A ribbon is 4 feet long. How many inches long is it? Write an equation and explain your answer.

Lesson moves

Ways to Teach It

  1. Line up three 12-inch rulers, then have students record the total length in feet and inches.

  2. Ask partners to sketch and explain why 2 feet equals 24 inches, not 14 inches.

  3. Give pairs cards labeled 2 yards, 6 feet, 3 feet, and 36 inches to match equal lengths.

  4. Mark a 4-foot shelf with tape, then have students calculate how many inches of shelf liner it needs.

Free download

Printable MT.4.MD.1 Worksheet

Preview of the MT.4.MD.1 printable worksheet

A ready-to-print activity worksheet aligned to MT.4.MD.1, with an answer key for the teacher on its own page. No account needed.

PDF, US Letter, prints cleanly in black and white.

Download the worksheet

Keep exploring

Related Standards

Turn this exact standard into a lesson

Grade, subject, topic, and the complete standard are prefilled. Create one free, no account needed.

Chat About This StandardGenerate Aligned Lesson

Also for this standard:Make a WorksheetMake a QuizMake a Sub Lesson