Let's look at the Number Line!

Is {{ s1_val }} closer to {{ s1_base }} or {{ s1_base + 100 }}?

Drag to closest station
{{ s1_base }}
{{ s1_base + 100 }}
🚙

Rounding Rules

Round {{ s2_num }} to the nearest {{ s2_targetPlace === 10 ? 'Ten' : 'Hundred' }}.

Tap digit to right
Select rounded number
{{ digit }}
{{ getS2Label(idx) }}

Balloon Sorting

Round to the nearest Hundred

Drag to correct cloud
☁️ {{ s3_clouds[0] }}
☁️ {{ s3_clouds[1] }}
🎈
{{ b.val }}

Big Number Challenge

Apply the rules to a bigger number!

Tap correct answer

Target: Nearest {{ s4_targetPlace === 10 ? 'Ten' : 'Hundred' }}

{{ s4_num }}
🏆

Rounding Master!

You've successfully learned how to round numbers to the nearest ten and hundred.