6 — Rounding and Estimation

Rounding and Estimation

Solution & Explanation · ID: 46791846

Question

Round 3,456 to the nearest hundred.

Hint

Look at the tens digit to decide whether to round up or down.

Concept

To round to the nearest hundred, look at the tens digit. If it's 5 or greater, round up. If it's less than 5, round down.

Show Answer

3,500

Show Solution
1

Identify the number: 3,456

2

Look at the tens digit (the digit to the right of the hundreds place): 5

3

Since 5 ≥ 5, round up the hundreds digit from 4 to 5

4

Replace all digits to the right of the hundreds place with zeros: 3,500

Number line showing 3,456 positioned between 3,400 and 3,500. The number 3,456 is marked with an arrow pointing to 3,500, showing it rounds up because the tens digit 5 is highlighted in red. The hundreds place transitions from 4 to 5.