Understanding Equations with Parentheses

The video tutorial demonstrates how to make equations true by strategically using parentheses along with addition, subtraction, multiplication, and division. It walks through two example equations, showing how to form specific numbers by combining operations and grouping terms. The first example forms 80 using 64 and 16, while the second forms 120 using 128 and 8. The tutorial concludes by challenging viewers to apply these techniques to solve additional equations on their own.

How can you form the number 64 using the number 8?

• 8 + 8

• 8 * 8

• 8 / 8

• 8 - 8

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CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

What is the result of adding 64 and 16?

• 100

• 90

• 80

• 70

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CCSS.4.NBT.B.6

Which operation is used to form 128 from 16 and 8?

• Division

• Multiplication

• Subtraction

• Addition

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

What is the final result after subtracting 8 from 128?

• 136

• 112

• 120

• 128

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CCSS.8.EE.C.7B

What is the first step to solve a new equation using parentheses?

• Multiply all numbers

• Subtract the largest number

• Add all numbers together

• Identify parts to group with parentheses

Tags

CCSS.8.EE.C.7B