SINGAPORE - Imagine that your child is taking the Primary School Leaving Examination (PSLE), but cannot count forwards or backwards mentally.
One student relied on his ruler in the national exam. If he had to, say, add 10 and eight, he would use the line indicators as markers to count forward.
Already a subscriber? Log in
Read the full story and more at $9.90/month
Get exclusive reports and insights with more than 500 subscriber-only articles every month
ST One Digital
$9.90/month
No contract
ST app access on 1 mobile device
Unlock these benefits
All subscriber-only content on ST app and straitstimes.com
Easy access any time via ST app on 1 mobile device
E-paper with 2-week archive so you won't miss out on content that matters to you
