Grade 3 math · A.1 · Extend the Pattern
Growing number patterns
The same number is added every time.
See worked examples
13, 19, 25, 31, … Write the next three numbers and the rule.
Answer: Next three: 37, 43, 49; Rule: Start at 13; add 6 each time
34, 43, 52, 61, … Write the next three numbers and the rule.
Answer: Next three: 70, 79, 88; Rule: Start at 34; add 9 each time
15, 25, 35, 45, … Write the next three numbers and the rule.
Answer: Next three: 55, 65, 75; Rule: Start at 15; add 10 each time
Tip: The same number is added every time.
Curriculum
Common Core: 3.OA.D.9, 4.OA.C.5
On paper: this skill is in the printable pack Grade 3 Common Core Math: Patterns and Algebraic Thinking, with an answer key.
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