Patterns and Algebra

Which choice models this situation? Jack needed new pencils for school today. He took 6 pencils from a new box of pencils. If there are 18 pencils left in the box, how many pencils were in the brand new box?

• p - 6 = 18

• p + 6 = 18

• 6p = 18

• p/6 = 18

Becky is preparing for her younger sister's birthday party. She splits a jar of lollilops evenly among 6 goody bags. Each bag ends up with 4 lollipops.

Which equation can you use to find the number of lollipops n in the jar?

• n/6 = 4

• n - 4 = 6

• 4n = 6

• n + 6 = 4

Find the value of x.

Which equation best represents the relationship between x and y in the table shown?

• y= 5x+5

• y=1/5x+5

• y=15x+5

• y=10x+5

11, 9, 7, 5, ..

• 7

• 4

• 3

• 2

Extend this
NON-NUMERIC pattern
∎ ⊙ ⊠ ⊙ ∎ ⊙ ⊠ 

• ⊙ ⊙ ⊙

• ⊙ ⊟⊟ ⊙

• ⊙ ∎ 

• ≗ ≘ ∗

Given the following tile pattern, how many tiles would be in the 5th shape?

• b = 8

• b = 11

• b = 7

• b = 9

Translate this phrase into an algebraic expression.
8 less than the product of 4 and a number
Use the variable m to represent the unknown number.

• 8 - 4m

• 8m - 4

• 8m + 4

• 4m - 8

Translate the sentence into an equation:
Four more than six times a number is 18.

• 4 + 6x = 18

• 4x + 6 = 18

• 6x + 4 = 18

• not enough info

5 = 7s - 9

• 2

• 6

• 7

• 8