Download presentation
Presentation is loading. Please wait.
Published byGregory Day Modified over 6 years ago
1
Number and Operations - Fractions Operations and Algebraic Thinking
MATH UNIT 3 Number and Operations - Fractions Operations and Algebraic Thinking
2
DECIMAL FRACTIONS
3
A fraction where the denominator (the bottom number) is a power of ten
A fraction where the denominator (the bottom number) is a power of ten. You can write decimal fractions with a decimal point and no denominator.
4
7/10 is a decimal fraction and it can be shown as 0
7/10 is a decimal fraction and it can be shown as /100 is a decimal fraction and it can be shown as 0.43
5
EQUIVALENT FRACTIONS
6
DENOMINATOR
7
NUMERATOR
8
TENTHS
9
HUNDREDTHS
10
ONE WHOLE
11
EXPANDED FORM
12
Students will read decimal fractions with denominators of 10 and 100.
Students will write decimal fractions with denominators of 10 and 100. Students will identify decimal fractions with denominators of 10 and 100. MAFS.4.NF.3.5
13
Each of these fractions is special
Each of these fractions is special. What is special about each of these fractions?
14
When you read fractions with a denominator of 10 or 100 you say: TENTHS or HUNDREDTHS. This fraction is read as : three tenths This fractions is read as : eight hundredths
15
READ EACH FRACTION 3/10 60/100 8/10 45/100 12/100 7/10 29/100 2/10 5/10 99/100 9/10 78/100
16
fifty-eight hundredths seven tenths thirty-four hundredths four tenths
WRITE EACH FRACTION fifty-eight hundredths seven tenths thirty-four hundredths four tenths three tenths five hundredths sixty-seven hundredths twenty-one hundredths eight hundredths one tenth forty-two hundredths nine tenths
17
Students will represent fractions with a denominator of 10 and fractions with a denominator of 100 using models. grids - base ten blocks - number lines
18
One unit is 1/100 or 0. 01 One rod or long is 1/10 or 10/100 or 0
One unit is 1/100 or 0.01 One rod or long is 1/10 or 10/100 or 0.1 or 0.10 One flat is one whole or 10/10 or 100/100 or 1
19
WRITE THE FRACTION
20
Write as a fraction and a decimal. Remember: equals 1/100
21
Write as a fraction and a decimal. Remember: equals 1/100
22
Write as a fraction and a decimal. Remember: equals 1/100
23
Write as a fraction and a decimal. Remember: equals 1/100
24
Write as a fraction and a decimal. Remember: equals 1/100
25
Write as a fraction and a decimal. Remember: equals 1/100
26
You can use a number line to show decimal fractions
You can use a number line to show decimal fractions. The top number line has a denominator of 10. The lower number line has a denominator of 100.
27
Use the number line to locate the decimal fraction.
0.7 or 7/10
28
Use the number line to locate the decimal fraction.
0.1 or 1/10
29
Use the number line to locate the decimal fraction.
0.4 or 4/10
30
Use the number line to locate the decimal fraction.
0.9 or 9/10
31
Use the number line to locate the decimal fraction.
0.3 or 3/10
32
Use the number line to locate these decimal fractions.
30/100 or 0.30
33
Use the number line to locate these decimal fractions.
62/100 or 0.62
34
Use the number line to locate these decimal fractions.
9/100 or 0.09
35
Use the number line to locate these decimal fractions.
75/100 or 0.75
36
Use the number line to locate these decimal fractions.
26/100 or 0.26
37
Use the number line to locate these decimal fractions.
100/100 or 1.00
38
Look at the base ten blocks. The ONE is cut into 10 pieces which are
Rewrite a fraction with a denominator of 10 as an equivalent fraction with a denominator of 100. Look at the base ten blocks. The ONE is cut into 10 pieces which are each cut into 10 pieces. That means there are 100 cubes in the WHOLE ONE flat X 10 = 100 ONE FLAT TEN RODS CUBES WHOLE TENTHS HUNDREDTHS
39
X 10 = 100 X 10 HINT: There are 10 rods in a flat. There are 10 unit cubes in each rod. 10 X 10 = 100
40
Write the equivalent fractions.
3/10 = 7/10 = 1/10 = 5/10 = 9/10 = 2/10 = 8/10 = 4/10 = 6/10 = 80/100 = 40/100 = 10/100 = 70/100 = 50/100 = 30/100 = 90/100 =
41
Equivalent fractions please… 6 / 10 = 60 / 100 or 6 / 10 = 60 / 100
42
Equivalent fraction please… ___ / 100 = ___ / ___
43
Equivalent fraction please… ___ / 100 = ___ / ___
44
Equivalent fraction please… ___ / 100 = ___ / ___ = _____
45
Write both the fraction and the words
46
Write in word form and fractions and decimals
Write in word form and fractions and decimals. ____ / ____ = ____ / ____ _____ hundredths = 0.___ = ____ tenths = 0.___
47
Write in word form and fractions and decimals
Write in word form and fractions and decimals. ____ / ____ = ____ / ____ _____ hundredths = 0.___ = ____ tenths = 0.___
48
Write in word form and fractions and decimals
Write in word form and fractions and decimals. ____ / ____ = ____ / ____ _____ hundredths = 0.___ = ____ tenths = 0.___
49
Write in word form and fractions and decimals
Write in word form and fractions and decimals. ____ / ____ = ____ / ____ _____ hundredths = 0.___ = ____ tenths = 0.___
50
Write in word form and fractions and decimals
Write in word form and fractions and decimals. ____ / ____ _____ hundredths = 0.___
51
Write in word form and fractions and decimals
Write in word form and fractions and decimals. ____ / ____ _____ hundredths = 0.___
52
Write in word form and fractions and decimals
Write in word form and fractions and decimals. ____ / ____ _____ hundredths = 0.___
53
Write in word form and fractions and decimals
Write in word form and fractions and decimals. _____ / _____ = ____ / ____ _____ tenths = 0.___ = _____ hundredths = 0.___
54
Write in word form and fractions and decimals
Write in word form and fractions and decimals. ____ / ____ = ____ / ____ ____ tenths = 0.___ = ____ hundredths = 0.___
55
Write in word form and fractions and decimals
Write in word form and fractions and decimals. ____ / ____ _____ hundredths = 0.___
56
Write in word form and fractions and decimals
Write in word form and fractions and decimals. ____ / ____ = ____ / ____ ____ tenths = 0.___ = ____ hundredths = 0.___
57
Write in word form and fractions and decimals
Write in word form and fractions and decimals. ____ / ____ = ____ / ____ ____ tenths = 0.___ = ____ hundredths = 0.___
58
Write in word form and fractions and decimals
Write in word form and fractions and decimals. ____ / ____ ____ hundredths = 0._____
59
Show 0.2 or 2/10 and 20/100 in the models below.
60
Show 0.5 or 5/10 and 50/100 in the models below.
61
Show 0.46 and 46/100 in the model below.
62
Show 0.11 and 11/100 in the model below.
63
___/___ = 0.___ ___/___ = 0.___
Compare the base ten blocks to compare fractions and decimals. < = > ___/___ = 0.___ ___/___ = 0.___
64
___/___ = 0.___ ___/___ = 0.___
Compare the base ten blocks to compare fractions and decimals. < = > ___/___ = 0.___ ___/___ = 0.___
65
___/___ = 0.___ ___/___ = 0.___
Compare the base ten blocks to compare fractions and decimals. < = > ___/___ = 0.___ ___/___ = 0.___
66
___/___ = 0.___ ___/___ = 0.___
Compare the base ten blocks to compare fractions and decimals. < = > ___/___ = 0.___ ___/___ = 0.___
67
___/___ = 0.___ ___/___ = 0.___
Compare the base ten blocks to compare fractions and decimals. < = > ___/___ = 0.___ ___/___ = 0.___
68
___/___ = 0.___ ___/___ = 0.___
Compare the base ten blocks to compare fractions and decimals. < = > ___/___ = 0.___ ___/___ = 0.___
69
___/___ = ___ ___/___ = 0.___
Compare the base ten blocks to compare fractions and decimals. < = > ___/___ = ___ ___/___ = 0.___
70
___/___ = ___ ___/___ = 0.___
Compare the base ten blocks to compare fractions and decimals. < = > ___/___ = ___ ___/___ = 0.___
71
___/___ = ___ ___/___ = 0.___
Compare the base ten blocks to compare fractions and decimals. < = > ___/___ = ___ ___/___ = 0.___
72
Compare the base ten blocks to compare fractions and decimals.
< = > ___ / ___ = 0.___ ___ / ___ = 0.___ Write the fraction and the decimal.
73
Compare the base ten blocks to compare fractions and decimals.
< = > ___ / ___ = 0.___ ___ / ___ = 0.___ Write the fraction and the decimal.
74
Compare the base ten blocks to compare fractions and decimals.
< = > ___ / ___ = __.___ ___ / ___ = __.___ Write the fraction and the decimal.
75
Compare the base ten blocks to compare fractions and decimals.
< = > ___ / ___ = __.___ ___ / ___ = __.___ Write the fraction and the decimal.
76
Students will identify the place value of digits to the right of
the decimal point. Students will demonstrate place value of decimals through the hundredths using concrete materials. Students will use different-sized grids to represent equivalency of decimals to fractions with denominators of 10 or 100. Students will explain the relationship between fractions and decimals in graphic models. MAFS.4.NF.3.6
77
This is a PLACE VALUE chart. Learn to draw a place value chart.
78
Identify and label each part of the PLACE VALUE chart.
79
Write the number 589 and 4/10 in the PLACE VALUE chart.
80
Write 703 and 54/100 in the Place Value chart.
81
Write an eight in the tens place. Write a three in the ones place
Write an eight in the tens place. Write a three in the ones place. Write a five in the hundreds place. Write a one in the tenths place. READ YOUR NUMBER
82
Write an nine in the tenths place. Write a four in the hundredths place. Write a seven in the ones place. Write a two in the tens place. READ YOUR NUMBER
83
Write an six in the hundredths place. Write a five in the tens place
Write an six in the hundredths place. Write a five in the tens place. Write a zero in the ones place. Write a two in the tenths place. READ YOUR NUMBER
84
Write an zero in the tenths place. Write a five in the tens place
Write an zero in the tenths place. Write a five in the tens place. Write an eight in the hundredths place. Write a nine in the ones place. READ YOUR NUMBER
85
Write a seven in the tens place. Write a nine in the hundredths place
Write a seven in the tens place. Write a nine in the hundredths place. Write a four in the ones place. Write a three in the hundreds place. Write a five in the tenths place. READ YOUR NUMBER!
86
Write a zero in the hundredths place. Write an eight in the tens place
Write a zero in the hundredths place. Write an eight in the tens place. Write a six in the ones place. Write a two in the hundreds place. Write a one in the tenths place. READ YOUR NUMBER.
87
Write a four in the tenths place. Write a three in the ones place
Write a four in the tenths place. Write a three in the ones place. Write a two in the hundredths place. Write a nine in the hundreds place. Write a six in the tens place. READ YOUR NUMBER.
88
Circle the value of this number in base ten blocks. 4.91
89
Circle the value of this number in base ten blocks. 3.02
90
Circle the value of this number in base ten blocks. 5.38
91
Circle the value of this number in base ten blocks. 8.26
92
Circle the value of this number in base ten blocks. 2.75
93
thirty-nine hundredths and can be written as 39/100
Students will translate the word form of a decimal into its equivalent fraction. 0.39 reads thirty-nine hundredths and can be written as 39/100 0.71 reads 0.28 reads 0.46 reads 0.05 reads 0.99 reads
94
0.17 reads 0.68 reads 0.06 reads 0.24 reads 0.03 reads 0.77 reads
95
0.94 reads 0.26 reads 0.82 reads 1.05 reads 0.60 reads 0.45 reads
96
you have an IMPROPER FRACTION
Students will translate fractions greater than ONE with denominators of 10 and into equivalent decimal form. When the NUMERATOR is larger than the DENOMINATOR you have an IMPROPER FRACTION resulting in a whole number on the LEFT and a decimal fraction on the RIGHT.
97
Let’s translate some improper fractions into decimals. 13/10 = 1.3
13/10 = 1.3 Because the numerator: 13 is larger than the denominator: 10, we have an improper fraction - meaning that we have a WHOLE number and a part. 11/10 26/10 32/10 18/10
98
29/10 45/10 10/10 100/10 82/10 55/10 90/10 64/10 71/10 33/10 15/10 84/10
99
429/100 945/100 101/100 728/100 186/100 505/100 790/100 645/100 281/100 397/100 564/100 840/100
100
Students will represent a decimal value on a number line.
What decimal does each dot represent? 0.2
101
What decimal and fraction does each dot represent?
102
Complete each fraction on the number line. Several are done for you.
103
P = _____ Q = _____ R = _____
Label the value of each dot on the number line. P = _____ Q = _____ R = _____
104
Label each decimal value on the number line. 0.32 0.59 0.11 0.75
105
Label each decimal value on the number line. 0.02 0.93 0.67 0.24
106
Label each decimal value on the number line. 0.46 0.88 0.23 0.67
107
Label each fractional value on the number line
108
Label each fractional value on the number line
109
Label each fractional value on the number line
110
Students will explain their thinking when labeling a decimal fraction on a number line. “I think that 32/100 is more than 30/100 (3/10) and that it is less than 40/100 (4/10). So I think it will be closer to 30/100. I would place it on the number line near that value.”
111
19/100 Explain your thinking . . .
_________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________
112
63/100 Explain your thinking . . .
_________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________
113
41/100 Explain your thinking . . .
_________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________
114
Students will explain that decimals can only be compared when they refer to the same whole.
Students will compare decimals with and without models and record the comparison numerically using symbols < = > Students will justify the comparison by reasoning about the size of the decimal or by using a visual model. MAFS.4.NF.3.7
115
This is a candy bar. It is divided into 10 equal pieces
This is a candy bar. It is divided into 10 equal pieces. This is a candy bar. It is divided into 10 equal pieces, too. We CAN NOT compare them because they are NOT THE SAME! Each model shows 10/10 but the whole Hershey’s is much bigger than the other candy bar so these decimals can not be compared.
116
Can these decimal fractions be compared?
Remember that comparisons are only valid when the two decimals refer to the same whole. 0.1 1/10 0.1 1/10
117
Can these decimal fractions be compared?
Remember that comparisons are only valid when the two decimals refer to the same whole. 0.1 1/10 0.1 1/10
118
Can these decimal fractions be compared?
Remember that comparisons are only valid when the two decimals refer to the same whole. 0.1 1/10 0.1 1/10
119
Can these decimal fractions be compared?
Remember that comparisons are only valid when the two decimals refer to the same whole. 0.1 1/10 0.1 1/10
120
Can these decimal fractions be compared?
Remember that comparisons are only valid when the two decimals refer to the same whole. 0.1 1/10 0.1 1/10
121
Can these decimal fractions be compared? Why not?
Remember that comparisons are only valid when the two decimals refer to the same whole. 0.45 45/100 0.01 1/100
122
Can these decimal fractions be compared?
Remember that comparisons are only valid when the two decimals refer to the same whole. 0.01 1/100 0.01 1/100
123
Compare these decimal fractions.
< = > ____
124
Compare these decimal fractions.
< = > ____
125
Compare these decimal fractions.
< = > ____
126
Compare these decimal fractions.
< = > ____
127
Compare these decimal fractions.
< = > ____
128
Compare these decimal fractions.
< = > ____
129
Compare these decimal fractions.
< = > 2.1 ____
130
Compare these decimal fractions.
< = > ____
131
Students will identify and demonstrate
numeric and growing shape patterns. Students will generate a number or shape pattern that follows a given one-step rule. follows a given two-step rule. Students will identify features in patterns following a given rule. MAFS.4.OA.3.5
132
This is a numeric pattern. Numeric means number
This is a numeric pattern. Numeric means number. You have been doing numeric patterns since Kindergarten.
133
These are also numeric patterns. Can you find the rule
These are also numeric patterns. Can you find the rule? ____ ____ ____ Rule: ___________ ____ ____ ____
134
These are also numeric patterns. Can you find the rule?
135
Let’s play a game. Follow the Rules and see the pattern you create.
Start at the number 7 Multiply by 2
136
Let’s play a game. Follow the Rules and see the pattern you create.
Start at the number 100 Divide by 2
137
Let’s play a game. Follow the Rules and see the pattern you create.
Start at the number 15 Add 7
138
Let’s play a game. Follow the Rules and see the pattern you create.
Start at the number 19 Subtract 3
139
Let’s play a game. Follow the Rules and see the pattern you create.
Start at the number 4 Multiply by 5
140
As you create numeric patterns look for features of that pattern.
RULE PATTERN FEATURES START WITH 4 ADD 5 4, 9, 14, 19, 24, 29, … The numbers all end with a or a 9 START WITH 1 MULTIPLY BY 5 1, 5, 25, 125, 625, … After the starting number all numbers end in a 5 All numbers are ODD Start with and subtract 3 100, 97, 94, 91, 88, 85 … The numbers alternate from EVEN to ODD
141
Look for features of each pattern.
RULE PATTERN FEATURES START WITH 12 ADD 3 START WITH 2 MULTIPLY BY 10 START WITH DIVIDE BY 4
142
Look for features of each pattern.
RULE PATTERN FEATURES START WITH 45 ADD 6 START WITH 88 SUBRACT 4 START WITH 8 MULTIPLY BY 3
143
Look for features of each pattern.
RULE PATTERN FEATURES ADD 4 AND THEN MULTIPLY BY 2 START AT THE NUMBER 10 SUBTRACT 6 AND THEN MULTIPLY BY 3 START AT THE NUMBER 18 ADD 5 AND THEN DIVIDE BY 2
144
Look for features of each pattern.
RULE PATTERN FEATURES MULTIPLY BY 3 AND THEN SUBTRACT 2 START AT THE NUMBER 11 MULTIPLY BY 6 AND THEN ADD 2 START AT THE NUMBER 1 MULTIPLY BY 5 AND THEN ADD 7 START AT THE NUMBER 10
145
Look for features of each pattern.
RULE PATTERN FEATURES MULTIPLY BY 2 AND THEN SUBTRACT 4 START AT THE NUMBER 6 MULTIPLY BY 5 AND THEN ADD 3 START AT THE NUMBER 9 MULTIPLY BY 4 AND THEN DIVIDE BY 2 START AT THE NUMBER 15
146
Given the pattern – what is the RULE?
8, 15, 22, 29, ____ 3, 9, 27, 81, ____ 320, 160, 80, 40, ____
147
Given the pattern – what is the RULE? CHALLENGE
1, 3, 5, 7, 11, ___ 1, 1, 4, 4, 7, 7, 10, 10, ___ 1. emirp etanretla
148
This is a growing pattern
This is a growing pattern. What does the figure look like that comes next? What does the 8th figure look like?
149
WHAT COMES NEXT? These are growing patterns. See how the shape grows?
WHAT IS THE RULE?
150
This is a growing pattern
This is a growing pattern. What does the figure look like that comes next? What does the 7th figure look like?
151
This is a growing pattern
This is a growing pattern. What does the figure look like that comes 10th?
152
This is a growing pattern
This is a growing pattern. What does the figure look like that comes next?
153
This is a growing pattern
This is a growing pattern. What does the figure look like that comes 6th?
154
This is a growing pattern
This is a growing pattern. What does the figure look like that comes next?
155
This is a growing pattern
This is a growing pattern. What does the figure look like that comes next?
156
What is the RULE for this growing pattern
What is the RULE for this growing pattern? Can you predict what will be the 5th figure?
Similar presentations
© 2025 SlidePlayer.com. Inc.
All rights reserved.