Patterns and Numerical Expressions

Give the next two terms of the following pattern: 3, 7, 11, 15, . . .

• 17, 19

• 19, 23

• 20, 25

• 21, 23

What number belongs in the blank?
18,24,___,36,42

• 28

• 31

• 30

• 35

Find the rule the pattern is using and write it as an expression (You must check two boxes):

8,16,32,64

• Add 16

• Multiply 2

• Add 8

• 2w

• x + 8

How would you describe this pattern's rule?
65, 62, 59, 56, 53, 50

• Subtract 2

• Subtract 3

• Subtract 4

• Add 3

Write an algebraic expression for the word phrase: Twenty decreased by x

• 20+x

• 20/x

• x-20

• 20-x

Write this phrase as a numerical expression: the quotient of a number y and 12, increased by 100.

• 12y + 100

• y + 12 / 100

• y / 12 + 100

Evaluate 2r + 1      if   r = 3

• 6

• 5

• 7

• 8

Which is NOT a word phrase for the algebraic expression.
24n

• 24 times a number

• 24 times n

• the product of 24 and a number

• the sum of 24 and a number

Write an algebraic expression for the word phrase.

12 more than (m) machines

• 12-m

• m-12

• 12m

• m+12

Which expression below shows:
8 less than a number (n)

• 8 - n

• n - 8

• 8n

• n + 8