Number Theory and Fractions Review
Presentation
•
Mathematics
•
7th Grade
•
Easy
Ms. Knowles
Used 6+ times
FREE Resource
7 Slides • 28 Questions
1
by Ms. Knowles
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You will be able to solve questions about prime factorization, sequences and order of operations.
3
Poll
How are you feeling today?
4,6,9
2
3
1
5,7,8
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Open Ended
What are the two methods used for Prime Factorization?
5
Use your prime numbers to factorize a number.
Always start off with the smallest prime number that can go into the digit you are factorizing.
6
Draw
Draw a factor tree to show the prime factors of 16.
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Use your prime numbers to factorize a number.
Always start off with the smallest prime number that can go into the digit you are factorizing.
8
Draw
Draw the ladder method to show the prime factors of 16.
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Multiple Choice
Find the prime factorization of 32
2 x 2 x 2 x 4
2 x 2 x 2 x 2 x 2
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Multiple Choice
Write 28 as a product of its prime factors.
2 x 2 x 7
4 x 7
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Multiple Choice
12
Multiple Choice
Find the prime factorization for 80
42 ⋅ 5
24 ⋅ 5
2 ⋅ 2 ⋅ 2
8 ⋅ 5 ⋅ 2
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Multiple Choice
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Look at the numbers carefully, determine the pattern and find the next terms/numbers.
Example: 7, 14, 21, ___, ___ What would be the next two terms?
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Multiple Choice
Given the sequence 2, 8, 14, 20, 26, ... What is the common difference?
2
4
6
8
16
Multiple Choice
Describe the pattern in the sequence. Find the next three terms.
13, 15, 17, 19,...
Add 2; 23, 25, 27
Multiply by 2; 38, 76, 152
Add -2; 17, 15, 13
Add 2; 21, 23, 25
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Multiple Choice
What do we call this sequence: 1,8,27, 64, 125...,
Arithmetic Sequence
Geometric Sequence
Cube Number Sequence
Triangular Sequence
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Multiple Choice
What do we call this sequence: 1, 4, 9, 16, 25,...
Harmonic Sequence
Cube Number Sequence
Square Number Sequence
Triangular Sequence
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Multiple Choice
20
Multiple Choice
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Multiple Choice
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Multiple Choice
What are the next three terms in the sequence 2, 9, 16, 23, 30, . . . ?
37, 43, 50
37, 44, 51
37, 43, 50
37, 44, 50
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Fill in the Blanks
The next three terms in the sequence 49, 44, 39, 34, 29, … are
Type answer...
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Multiple Select
Choose the next two terms of the sequence 1, 4, 9, 16, 25, …
30
36
40
49
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Open Ended
What is the importance of order of operations?
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Order of Operations is a rule that explains which procedure should be done first.
All multiplication and division operations are carried out first, from left to right, in the order they occur.
All addition and subtraction operations are carried out, from left to right, in the order they occur.
27
Draw
7×2−10÷5
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Multiple Choice
Pick the correct order for Order of Operations
Parentheses, Multiplication, Division, Addition, Exponents, Subtraction
Exponents, Multiplication, Division, Addition, Parentheses, Subtraction
Parentheses, Exponents, Multiplication, Division, Addition, Subtraction
30
Multiple Choice
Which operation would you do first in the following equation?
10 - 4 ÷ 1 x 5
Subtraction
Division
Multiplication
Addition
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Open Ended
Is there any topic from today's review that you would like me to reteach?
32
Multiple Choice
33
Multiple Choice
25 - 14 + 3 =
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Multiple Choice
7 x (7 - 4) ÷ 3 =
8
6
7
5
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Multiple Choice
by Ms. Knowles
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