Evaluating Numerical Expressions in Math 6

This video tutorial covers Math 6, Lesson 3-3, focusing on using the order of operations to evaluate numerical expressions. It includes examples such as calculating airline fees and solving expressions with decimals and fractions. The lesson explains the importance of following the order of operations and demonstrates how to insert grouping symbols to achieve desired results. Practice problems are provided to reinforce learning.

What is the primary focus of Math 6 Lesson 3-3?

• Understanding algebraic expressions

• Using the order of operations to evaluate numerical expressions

• Learning about geometric shapes

• Solving linear equations

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CCSS.6.EE.A.2C

How much does an airline charge for an overweight bag?

• $100

• $75

• $49

• $50

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How many oversized bags were charged in the example problem?

• 50

• 75

• 6

• 49

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CCSS.2.OA.C.4

What is the first step in the order of operations?

• Solve parentheses and brackets from inside out

• Add or subtract

• Multiply or divide

• Evaluate powers

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CCSS.5.OA.A.1

CCSS.5.OA.A.2

What is the result of 3.6 + 0.9?

• 4.5

• 3.6

• 3.9

• 4.0

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CCSS.5.NBT.B.7

What is the value of 4 squared?

• 20

• 16

• 12

• 8

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CCSS.6.EE.A.1

When evaluating expressions with decimals and fractions, what remains the same?

• The order of operations

• The value of the expression

• The number of operations

• The type of numbers used

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What is the result of subtracting 6 and 3/4 from 6?

• 4 and 1/4

• 6 and 1/4

• 5 and 3/4

• 5 and 1/4

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CCSS.7.NS.A.1C

What is the purpose of inserting grouping symbols in a numerical expression?

• To change the numbers

• To change the operations

• To make the expression longer

• To affect the value of the expression

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CCSS.5.OA.A.1

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What is the correct grouping to get a value of 10 from the expression 40 - 7 + 33 * 3/4?

• (40 - 7) + (33 * 3/4)

• (7 + 33) * 3/4

• (40 - 7 + 33) * 3/4

• (40 - (7 + 33)) * 3/4

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CCSS.7.EE.B.3