VaaraVaara Classroom

Videos Practice Progress

Loading video…

Loading…

Loading video…

Why Does Decimal Place Value Keep Dividing by Ten?

Ask Vaara

Your maths helper for this video

Loading…

A Peek Beyond the Point · Decimal place value and notation · 3:08

You'll learn: Each place is one-tenth of the place to its left, so place value keeps dividing by ten, giving thousandths and beyond.

Up next

15 videos

Now playing

Why Does Decimal Place Value Keep Dividing by Ten?

3:08

Playing

Why Does Decimal Place Value Keep Dividing by Ten?

You'll learn: Each place is one-tenth of the place to its left, so place value keeps dividing by ten, giving thousandths and beyond.

Now playing

Same topic

Decimal place value and notation

1

Read and Write Decimals Using Expanded Form
3:02
Read and Write Decimals Using Expanded Form
You'll learn: Write a decimal in expanded form to read and write it correctly.

Next topic

Converting measurement units

2

Convert Lengths and Masses Using Decimal Units
3:22
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.
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.