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Transcript
Decimals
10ths and 100ths
10ths and 100ths
Look at my square.
It is divided into 10
rows.
Dividing my square
into 10 rows makes
tenths.
How many tenths
are highlighted?
10ths and 100ths
My square is also
divided into 100
parts. These are
hundredths.
How many
hundredths make 1
tenth?
10 hundredths = 1
tenth
10ths and 100ths
What decimal fraction
is the highlighted
area? (Use number
fans to show answer)
U . 10ths 100ths
0 . 5
7
How many hundredths
is this decimal?
5
7
10ths and 100ths
What decimal fraction
is the highlighted
area? (Use number
fans to show answer)
U . 10ths 100ths
0 . 6
4
How many hundredths
is this decimal?
6
4
10ths and 100ths
What decimal fraction
is the highlighted
area? (Use number
fans to show answer)
U . 10ths 100ths
0 . 0
9
How many hundredths
is this decimal?
9
10ths and 100ths
What decimal fraction
is the highlighted
area? (Use number
fans to show answer)
U . 10ths 100ths
0 . 1
2
How many hundredths
is this decimal?
1
2
10ths and 100ths
What decimal fraction
is the highlighted
area? (Use number
fans to show answer)
U . 10ths 100ths
1 . 3
7
10ths and 100ths
What decimal fraction
is the highlighted
area? (Use number
fans to show answer)
U . 10ths 100ths
5 . 8
9
10ths and 100ths
What decimal fraction
is the highlighted
area? (Use number
fans to show answer)
U . 10ths 100ths
3 . 0
7
10ths and 100ths
What decimal fraction
is the highlighted
area? (Use number
fans to show answer)
U . 10ths 100ths
4 . 1
1
10ths and 100ths
What decimal fraction
is the highlighted
area? (Use number
fans to show answer)
U . 10ths 100ths
9 . 8
1
10ths and 100ths
Decimal fractions
can also be
illustrated using
number lines.
0
0.1
0.2
0.3
Count the division
between numbers.
What value is each
division?
0.4
0.5
0.6
0.7
0.8
0.9
10
divisions
1
hundredth
1
1.1
10ths and 100ths
5
5.1
5.2
5.3
5.4
5.5
5.6
5.7
5.8
5.9
6
6.1
Use your
number fans to
show the value
of each arrow.
10ths and 100ths
2
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3
3.1
Use your numbers
fans show the
difference between
the two numbers