Free 5th Grade Rounding Decimals Lesson Plan

Topic: Rounding Decimals

Objectives & Outcomes

• Eliminate the need to use exact decimal numbers in daily life by understanding how to round decimal numbers.

Materials

• Decimal numbers from 0.00 to 0.99
• Rounding rule chart (see example below)

Warm-Up

• Show students a decimal number, such as 0.35, and ask them to read it aloud, including the decimal point.
• Ask them to explain what a decimal number is and what the decimal point does.
• Ask them to think of a situation in which they might need to use a decimal number, such as when measuring money or weight.

Direct Instruction

• Review the rounding rules, using the chart as a reference.
• Review the concept of rounding up and rounding down, and explain why these rules are used.
• Demonstrate how to use the rounding rules to round decimal numbers to the nearest ten or hundred.

Guided Practice

• Give students a few examples of decimal numbers and have them round the numbers using the rounding rules.
• Have them work with a partner to check their work and make sure they are rounding correctly.

Independent Practice

• Provide students with a worksheet of decimal numbers to round.
• Have them work independently to round the numbers on the worksheet using the rounding rules.

Closure

• Have students share their work with the class, discussing how they determined which digits to round and how they did so.
• Review the rounding rules and emphasize the importance of having a strategy for rounding decimals.

Assessment:

• Observe students during the independent practice activity and provide feedback on their use of rounding rules and their reasoning for choosing which digits to round.
• Collect and review the completed worksheets to assess students' understanding of rounding rules and their ability to apply them in practice.