The night before the exam, sleep. A rested mind recalls what a tired one has only read.

PSTET · Error Analysis and Remediation · Quiz

Error Analysis and Remediation — quick quiz

1 PSTET-pattern questions on Error Analysis and Remediation. Instant scoring and solutions, no signup — see where you stand in a few minutes.

Question 1 of 1

Hard

A teacher observes that a student consistently calculates 23 × 4 as 812 (computing 20×4=80 and 3×4=12, then writing 812 instead of adding). This error indicates: