Patterns and Algebra

Find the rule the pattern is using:

8,16,32,64

• Add 16

• Multiply 2

• Add 8

• Multiply 5

What is the SIXTH number in this pattern?

13,16,19,22

• 28

• 25

• 31

• 22

What is the CORRECTLY written rule for this pattern?

12,21,30,39,48,57

• Start at 12. Add 18

• Start at 3. Add 9

• Start at 21. Subtract 9

• Start at 12. Add 9

Find the rule the pattern is using:

448,112,28,7

• Divide 4

• Subtract 336

• Divide 5

• Subtract 84

What are the missing numbers in the table?

• 3, 7, 22, 30, 35
• 4, 5, 10, 13, 15
• 1, 2, 7, 10, 12
• 3, 6, 21, 30, 36

What number belongs in the missing box?

• 24
• 14
• 32
• 35

What number belongs in the blank box?

• 76
• 77
• 75
• 82

 Students mailed invitations to a play to 414 parents. Each student mailed 18 invitations. If s equals the number of
students who mailed invitations, which equation best shows the
number of invitations that were mailed?

•  s + 18 = 414 
• s ÷ 18 = 414 
• 18 ÷ s = 414
•  18s = 414

Spot fetched 12 sticks and some rocks when he played outside. How many objects did he fetch in all?

• 12 - r
• 12/r
• 12 + r
• 12r

The sum of 6 and x

• x + 6
• 6/x
• x + 4
• 6x