Grade 1 math · B.1 · Counting Patterns
Count by 2s
See worked examples
10, 12, 14, 16, … Write the next three numbers and the rule.
Answer: Next three: 18, 20, 22; Rule: Start at 10; add 2 each time
18, 20, 22, 24, … Write the next three numbers and the rule.
Answer: Next three: 26, 28, 30; Rule: Start at 18; add 2 each time
34, 36, 38, 40, … Write the next three numbers and the rule.
Answer: Next three: 42, 44, 46; Rule: Start at 34; add 2 each time
Curriculum
Common Core: 1.NBT.A.1
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