Exploring Interactive Whiteboard Techniques

Why is it important to use highlighters or colored pencils when combining like terms?

• To easily identify and group like terms

• To highlight the answers

• To draw attention to the constants

• To make the page look colorful

What does it mean when a variable is written without a coefficient?

• It is a constant

• It is equal to one

• It is equal to zero

• It is not a like term

In the first example, what is the simplified form of 6y + y - 4?

• 5y - 4

• 6y - 4

• 7y - 4

• 7y + 4

When combining like terms, what should you do if you encounter different variables?

• Add a constant to them

• Arrange them in alphabetical order

• Ignore them

• Combine them anyway

What is the result of combining 5G - G?

• 6G

• 3G

• 4G

• 5G

In the third example, what is the simplified form of -21W + 3W + 5 - 1?

• -24W + 6

• -24W + 4

• -18W + 6

• -18W + 4

How do you handle a variable that appears without a coefficient in an equation?

• Treat it as zero

• Treat it as one

• Combine it with constants

• Ignore it

What is the simplified form of F - 3F + 2G - G + 1?

• -2F + G - 1

• -2F + 3G + 1

• -2F - G + 1

• -2F + G + 1

In the fifth example, what is the simplified form of 10x + 14x - 2x - 5 + 1?

• 22x + 4

• 22x + 6

• 22x - 4

• 22x - 6

What is the final simplified form of -7x + 4x - 9y + 2y - 3?

• -3x + 7y + 3

• -3x + 7y - 3

• -3x - 7y + 3

• -3x - 7y - 3