Math Lesson Plan
Size It Up Lesson Plan

Size It Up

Discovering Measurement and Length

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This 4th-grade math lesson plan focuses on teaching students about measurement and length, emphasizing the importance of these concepts in everyday life. The lesson begins with an introductory discussion, where students explore real-world applications of measurement. Through direct instruction, they learn to use rulers and measuring tapes, becoming familiar with standard units such as inches, feet, centimeters, and meters, as well as unit conversions.

During guided practice, students work in pairs to measure various objects, recording their findings in a worksheet. This is followed by an independent activity that reinforces their understanding through measurement problems and practical applications. The lesson concludes with a class discussion where students share their experiences and measurements, guiding a brief review quiz to assess comprehension.

To accommodate diverse learning needs, differentiation strategies are incorporated, providing challenges for advanced learners while offering additional support for those who need it. Assessment focuses on students’ accuracy in measurement and understanding of the concepts. Extension activities, such as a home project that involves measuring items at home and the introduction of digital measuring tools, encourage further engagement and application of skills learned in class.

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CCSS.4.MD.A.1
CCSS.4.MD.A.1
Know relative sizes of measurement units within one system of units including km, m, cm; kg, g; lb, oz.; l, ml; hr, min, sec. Within a single system of measurement, express measurements in a larger unit in terms of a smaller unit. Record measurement equivalents in a two-column table. For example, know that 1 ft is 12 times as long as 1 in. Express the length of a 4 ft snake as 48 in. Generate a conversion table for feet and inches listing the number pairs (1, 12), (2, 24), (3, 36), ...
CCSS.4.MD.A.2
CCSS.4.MD.A.2
Use the four operations to solve word problems involving distances, intervals of time, liquid volumes, masses of objects, and money, including problems involving simple fractions or decimals, and problems that require expressing measurements given in a larger unit in terms of a smaller unit. Represent measurement quantities using diagrams such as number line diagrams that feature a measurement scale.
CCSS.4.MD.A.3
CCSS.4.MD.A.3
Apply the area and perimeter formulas for rectangles in real world and mathematical problems. For example, find the width of a rectangular room given the area of the flooring and the length, by viewing the area formula as a multiplication equation with an unknown factor.
CCSS.4.MD.C.5
CCSS.4.MD.C.5
Recognize angles as geometric shapes that are formed wherever two rays share a common endpoint, and understand concepts of angle measurement:
CCSS.4.MD.C.5.a
CCSS.4.MD.C.5.a
An angle is measured with reference to a circle with its center at the common endpoint of the rays, by considering the fraction of the circular arc between the points where the two rays intersect the circle. An angle that turns through 1/360 of a circle is called a "one-degree angle," and can be used to measure angles.
CCSS.4.MD.C.5.b
CCSS.4.MD.C.5.b
An angle that turns through n one-degree angles is said to have an angle measure of n degrees.
LevelElementary School
Grade4th Grade
SubjectMath
Subject AreaMeasurement
Subject TopicLength
Age Range9 to 10
AudienceGroup
LanguageEnglish
Duration60 mins