1.1: Variables and Expressions (day 2)

1.1: Variables and Expressions (day 2)

Multiple Choice

In the expression 3x - 7, what do we call the number 3?

• variable

• constant

• coefficient

• exponent

Multiple Choice

In the expression 4 + 7w², what do we call the number 4

• variable

• constant

• coefficient

• difference

Multiple Choice

How many terms are in the expression 3c - 5d + 11 ?

• 3

• 6

• 2

• 8

Multiple Select

Which operations separate terms in an expression?

• addition

• subtraction

• multiplication

• division

Multiple Choice

Write a verbal expression for 3x - 7

• The difference of 3 times a number t and 7

• 3x less than 7

• The quotient of 3 and a number x decreased by 7

• 7 fewer than the sum of 3 and a number x

Multiple Choice

Write an algebraic expression for the sum of twice a number y and 6.

• 6y + 2

• 2y + 6

• 2(y + 6)

• 2y ⁶

Poll

Do you know the Order of Operations?

• Yes

• No

Good work! Now go to slide 6 in the agenda and complete the Kahoot Challenge!

Pay attention! You only get one chance!

Multiple Select

Which of the following are terms in the expression 2a + 4d + 5c + 9

• 2

• 4d

• 5

• 9