What this lesson teaches
Decimal place value.
Can you finish decimal number line in about 25 min?
You will decimal place value.
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Decimal place value.
Placing decimals on a spatial number line reveals their relative size — the most common source of decimal errors is students not knowing which of two decimals is larger. A physical line makes this visual, concrete, and immediately self-correcting.
1. Draw line 0 to 1. 2. Mark 0.5. 3. Mark 0.2. 4. Mark 0.9. 5. Order five decimal numbers.