Shark Learning
Fourth/Skip Counting

Skip Counting Backwards by 2s

Count down by 2s from 100 — reverse skip counting that builds subtraction readiness.
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Teacher Resources
Teaching Notes

Emphasize identifying number patterns and the inverse relationship to subtraction. Encourage mental math strategies for sequences.

Vocabulary
Skip Counting: Counting by a specific number interval.
Backwards: Counting down from a larger number.
Common Mistakes
  • Adding instead of subtracting
  • Skipping numbers in sequence
  • Not maintaining the -2 interval
  • Difficulty with larger numbers
Differentiation
SupportUse number lines or manipulatives for visual aid.
ChallengeChallenge with larger numbers or varied intervals.
Discussion Questions
  • What pattern do you notice in these numbers?
  • How is counting backwards by 2 like subtracting 2?
  • What number comes before 100 when counting backwards by 2?
  • When might you use skip counting backwards in real life?
Extension Activities
  • Skip count backwards by 3s.
  • Skip count forwards by 5s.
  • Create your own skip counting patterns.
Parent Tip

Count backwards by 2s from 20 while jumping.

Learning Path
Skill Cluster

Number Sense & Operations

Estimated Time

15 minutes

Skills Practiced
Skip counting backwards by 2Number sequencesSubtraction within 100