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Grade 1/Skip Counting

Count Backwards by 10s (195)

Count backwards by 10s starting from 100
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Teacher Resources
Lesson Plan

Patterns in Counting Backwards

Standards
2.NBT.A.2
Printable Aids
Number LineHundreds Chart
Teaching Notes

Use a hundreds chart or number line to visualize counting backwards by 10s. Emphasize the pattern in the tens digit changing while the ones digit remains zero. This skill builds strong number sense and mental math foundations.

Vocabulary
Backwards counting: Counting down from a number.
Subtract: Take away a number.
Common Mistakes
  • Skipping numbers in the sequence (e.g., 100, 80)
  • Confusing tens and ones place values when counting backwards
  • Difficulty with the transition from 10 to 0
Differentiation
SupportProvide a partially filled hundreds chart or a number line. Use physical manipulatives like base-ten blocks (removing 'ten' sticks).
ChallengeChallenge students to count backwards by 10s from a number greater than 100 (e.g., 200) or from a number not ending in 0 (e.g., 97, 87, 77...).
Discussion Questions
  • What pattern do you notice when counting backwards by 10s?
  • How is counting backwards by 10s different from counting forwards by 10s?
  • How does this help us understand subtraction?
Extension Activities
  • Count backwards by 10s to 0.
  • Use base-ten blocks.
  • Practice on a number line.
Parent Tip

Count backwards from 100 by 10s, using your fingers.

Learning Path
Skill Cluster

Number Sense & Place Value

Grade Level

1-2

Skills Practiced
skip counting backwards by 10subtraction within 100
Prerequisites
  • Counting Backwards by 1
  • Skip Counting Forwards
  • Counting to 100 (forward)
  • Identifying multiples of 10
  • Basic number recognition 0-100
Next Steps
  • Subtraction
  • Mental Math Strategies
  • Counting backwards by other increments (2s, 5s)
  • Mentally finding 10 less than a number
  • Subtracting multiples of 10