Understanding Patterns in Numbers

What is the rule for the pattern that starts at 20 and decreases?

• Subtract 1

• Add 1

• Subtract 2

• Add 2

On a number line, if the numbers are increasing by one space, what is the rule?

• Subtract 2

• Add 1

• Add 2

• Subtract 1

If the first group of coins is worth 1 cent and the second is worth 2 cents, what is the rule for the pattern?

• Add 1

• Add 2

• Subtract 2

• Subtract 1

How do you determine Pam's age if Jane is 10 years old?

• Add 2 to Jane's age

• Subtract 2 from Jane's age

• Subtract 1 from Jane's age

• Add 1 to Jane's age

What is the rule to find Pam's age from Jane's age?

• Subtract 1

• Add 1

• Add 2

• Subtract 2