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Convert Lengths and Masses Using Decimal Units

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A Peek Beyond the Point · Converting measurement units · 3:22

You'll learn: Metric length and mass units step by tens, hundreds and thousands, so one decimal-shift method converts both.

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Convert Lengths and Masses Using Decimal Units

3:22

Playing

Convert Lengths and Masses Using Decimal Units

You'll learn: Metric length and mass units step by tens, hundreds and thousands, so one decimal-shift method converts both.

Now playing

Same topic

Converting measurement units

1

Connect Rupees and Paise with Decimals
3:07
Connect Rupees and Paise with Decimals
You'll learn: Paise are hundredths of a rupee, so money amounts are two-place decimals.

Next topic

Equivalent and ordered decimals

2

Why Does Adding a Trailing Zero Leave a Decimal Unchanged?
3:27
Why Does Adding a Trailing Zero Leave a Decimal Unchanged?
You'll learn: A trailing zero after the last decimal digit adds zero tenths or hundredths, so the value is unchanged.
Compare and Order Decimals by Place Value
3:18
Compare and Order Decimals by Place Value
You'll learn: Compare decimals place by place from the left to order them.

Next topic

Decimals on number lines

3

Zoom into a Number Line to Locate a Decimal
3:17
Zoom into a Number Line to Locate a Decimal
You'll learn: Zoom into an interval of the number line again and again to locate a decimal precisely.
Find the Distance Between Two Decimals
3:19
Find the Distance Between Two Decimals
You'll learn: The distance between two decimals is their difference, found on the number line.
Can You Always Find a Decimal Closer to a Target?
3:24
Can You Always Find a Decimal Closer to a Target?
You'll learn: Between any two decimals there is always another, so we can get as close to a target as we like.

Next topic

Decimal addition and subtraction

3

Regroup to Add and Subtract Decimals
3:15
Regroup to Add and Subtract Decimals
You'll learn: Line up places and regroup across the point to add and subtract decimals.
Find the Next Terms in a Decimal Sequence
3:17
Find the Next Terms in a Decimal Sequence
You'll learn: Find the constant change in a decimal sequence to continue it.
Estimate a Decimal Sum or Difference Before Calculating
3:20
Estimate a Decimal Sum or Difference Before Calculating
You'll learn: Round to whole numbers first to estimate a decimal sum or difference.

Next topic

Misleading decimal notation

2

Spot Decimal-Point and Unit Errors
3:24
Spot Decimal-Point and Unit Errors
You'll learn: A misplaced point or a mixed unit changes a value by a factor of ten or more; check both.
Why 1.5 Hours, 5.6 Feet and 4.3 Overs Can Mislead
3:19
Why 1.5 Hours, 5.6 Feet and 4.3 Overs Can Mislead
You'll learn: Clock time, feet and inches, and cricket overs group by 60, 12 and 6, not 10, so writing them with a dot like a decimal misleads.

Next topic

Simple fractions as decimals

2

Write Halves, Quarters and Fifths as Decimals
3:19
Write Halves, Quarters and Fifths as Decimals
You'll learn: Rewrite halves, quarters and fifths with denominators 10 or 100 to get their decimals.
Separate a Decimal's Whole and Fractional Parts
3:29
Separate a Decimal's Whole and Fractional Parts
You'll learn: Every decimal has a whole part and a fractional part separated by the point.

Next topic

Letters representing numbers

2

How Can a Letter Stand for a Changing or Unknown Number?
3:04
How Can a Letter Stand for a Changing or Unknown Number?
You'll learn: A letter can stand for a quantity that changes or for one we don't know yet.
Describe a Number Relationship with Letters
3:10
Describe a Number Relationship with Letters
You'll learn: Translate a number relationship described in words into an expression with letters.