Decimal Place Value 3D Explanation

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3,482.615Digit 6tenthsvalue 0.6

Learning mode

Build a decimal

Visual model

Number

Selected place

Speed1×

View & focus

Zoom100%

Drag to pan. Tap a place-value tower to inspect its digit and contribution.

PlaceTenths

Contribution0.6

Place contribution

Rules & formulas

digit value = digit × place value
one place left = × 10
one place right = ÷ 10
3,482.615 = 3,000 + 400 + 80 + 2 + 0.6 + 0.01 + 0.005

Learning outcomes

Name places on both sides of the decimal point.
Find a digit's contribution.
Explain ×10 and ÷10 shifts.
Write standard and expanded form.
Connect decimals with money and measurement.

Try: Build 507.034 and explain the value of 3.

Seven-question challenge

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