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Table 1 Distribution of means, standard deviation and WCPM percentiles for readings of the passage entitled “The Umbrella”

From: Identification of struggling readers or at risk of reading difficulties with one-minute fluency measures

Oral reading fluency norms, grades 3–5
  Third grade Fourth grade Fifth grade
n = 98 n = 130 n = 137
  WCPM  
Mean 78.82 91.50 105.26
Standard deviation 26.840 27.152 27.360
Percentile 5 38 41 54
Percentile 10 42 52 66
Percentile 25 56 74 87
Percentile 50 76 94 107
Percentile 75 97 111 121
Percentile 90 114 124 140
Percentile 95 122 133 153
  1. WCPM words correct per minute