PEAZIT Aha card
Go straight to resources ↓Rounding: inspect the very next digit
Choose the target place. If the next digit is 0–4, keep it; if 5–9, increase it by 1. Remove later places.
| Expression | Meaning |
|---|---|
| 3.746 → 3.74? | The target hundredths digit is 4. |
| 6 ≥ 5 | The deciding thousandths digit is 6. |
| 3.75 | Increase the hundredths by 1 and remove thousandths. |
One worked example
- 3.746 → 3.74?The target hundredths digit is 4.
- 6 ≥ 5The deciding thousandths digit is 6.
- 3.75Increase the hundredths by 1 and remove thousandths.
Watch out: Carrying may create a new place. Do not round one place at a time: double rounding can change the result.
Goal, prerequisites and card origin
What you will learn: Round a nonnegative number to a stated place using the school rule.
What you need first: Decimal place values and neighbouring rounding points.
An original PEAZIT working card. Independent expert review and effectiveness testing have not yet taken place. · v1
Show connections
Choose the target place. If the next digit is 0–4, keep it; if 5–9, increase it by 1. Remove later places.