Number Theory and Angles
Presentation
•
Mathematics
•
6th - 9th Grade
•
Medium
Ms. Knowles
Used 2+ times
FREE Resource
6 Slides • 22 Questions
1
by Ms. Knowles
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In today's lesson you will be able to answer questions on place value, order of operations and angles.
3
Before the decimal point are whole numbers.
After the decimal point are decimals.
4
Multiple Choice
place value for the underlined digit is
75 986
900
ten thousands
9 000
hundreds
5
Multiple Choice
Which digit is in the TENS place in the number 7219?
7
2
1
9
6
Multiple Choice
What is the place value of the 4 in 471,902?
400,000
400
hundreds
hundred thousands
7
Multiple Choice
8
Multiple Choice
87.92
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Multiple Choice
10
Angles in a right angle add up to 90º. Two or more angles that add up to 90º are called complementary angles.
11
Multiple Choice
What are complementary angles?
Angles that add up to 180°
Angles that add up to 90°
Angles that are equal to each other
Angles that are opposite of each other when lines intersect.
12
Multiple Choice
13
Multiple Choice
14
Multiple Choice
15
Multiple Select
Choose all answers that apply: Find the angle measurements that are complementary to each other.
75 and 105
75 and 15
25 and 65
34 and 146
38 and 52
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Angles on a straight line add up to 180º. Two or more angles that add up to 180º are called supplementary angles.
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Multiple Choice
What are supplementary angles?
Angles that add up to 180°
Angles that add up to 90°
Angles that are equal to each other
Angles that are opposite of each other when lines intersect
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Multiple Choice
19
Multiple Choice
Find the supplementary angle for 104 degrees...
70 degrees
74 degrees
76 degrees
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Multiple Choice
Find the supplementary angle for 126 degrees...
44 degrees
52 degrees
54 degrees
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Multiple Select
Choose all answers that apply. Which of the following angles are supplementary?
42 and 48
12 and 78
78 and 102
38 and 142
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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.
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Multiple Choice
Pick the correct sequence of steps for Order of Operations:
Parentheses, Multiplication/Division, Addition/Subtraction, Brackets, Braces
Multiplication/Division, Addition/Subtraction, Parentheses, Brackets, Braces
Parentheses, Brackets, Braces, Multiplication/Division, Addition/Subtraction
Parentheses, Braces, Brackets, Addition/Subtraction, Multiplication/Division
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Multiple Choice
25
Multiple Choice
What would be my first step? 3 + 4 x 6 - 4 =
Addition
Multiplication
Subtraction
Division
26
Multiple Choice
27
Multiple Choice
28
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