Number Patterns and Equations

What rule is being used in the pattern below?
2, 4, 6, 8, 10, 12

• multiply by 2
• subtract 2
• add 2
• divide by 2

What is the next term (number) in this pattern?
10, 20, 30, 40, __,

• 41
• 45
• 50
• 55

18+5 = ___+9

• 23

• 32

• 14

• 9

17+7 = 11+____

• 10

• 24

• 13

• 21

What are the missing numbers in this pattern?
23, 33, ___, 53, ___, 73

• 32, 62
• 42, 63
• 43, 63
• 42, 62

What are the missing numbers in this pattern?
12, 15, ___, 21, ____, 27

• 18,23
• 18, 24
• 17, 25
• 17, 24

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

• Subtract 2
• Subtract 3
• Subtract 4
• Add 3

Solve the following equation and check your solution:

x - 11 = 9

Solve the following equation and check your solution:

2 = z - 14

Solve the following equation and check your solution:

a + 5 = 12