Real Numbers
Presentation
•
Mathematics
•
8th Grade
•
Hard
Joseph Anderson
FREE Resource
37 Slides • 18 Questions
1
Unit 1 Review
2
Ordering a set of real numbers - Teacher Example
3
Ordering a set of real numbers - STEP 1
Know what the question is asking you to do
(i.e. is it asking you to sort from small to big?)
4
Ordering a set of real numbers - STEP 2
Create a table and convert to decimal form
5
Ordering a set of real numbers - STEP 3
Create a number line and place numbers on the line
-6.71 5.24 -6.3 0.89
6
Ordering a set of real numbers - STEP 4
Arrange your numbers based on the question
-6.71 5.24 -6.3 0.89
7
Ordering a set of real numbers - STEP 5
Arrange your numbers based on the question
-6.71 5.24 -6.3 0.89
8
STEP 6: Match the choice with your answer
9
CFU
10
CFU
11
Multiple Choice
A math teacher asked students to write the following numbers in order from greatest to least.
75%, ⅗, 0.84, ⅔
Which list shows the numbers in the correct order?
75%, ⅗, 0.84, ⅔
0.84, 75%, ⅔, ⅗
⅔, ⅗, 0.84, 75%
⅗, ⅔, 75%, 0.84
12
Multiple Choice
A
B
C
D
13
Multiple Choice
0.7, 65%, ⅝, ⅔
0.7, ⅝, 65%, ⅔
⅝, 65%, ⅔, 0.7
⅝, ⅔, 65%, 0.7
14
Multiple Choice
π
√9
π/9
π2/9
15
Multiple Choice
1
2
3
4
16
Multiple Choice
A
B
C
D
17
Square/Square Root word problems- EXAMPLE
18
STEP 1: Draw a picture
19
STEP 2: Know your facts
20
STEP 3: What is the question asking?
21
STEP 4: Set up how to find x
22
STEP 4: Plug the numbers into the equation and solve
23
STEP 4: Plug the numbers into the equation and solve
24
STEP 4: Plug the numbers into the equation and solve
25
CFU
26
CFU
27
Square Root and Intervals- EXAMPLE
28
Square Root and Intervals - STEP 1
STEP 1: What the question is asking you?
(If you are unsure, look at the answer choices for a hint)
29
Square Root and Intervals - STEP 2
STEP 2: Gather your facts
(find the square roots of the question and answer choices with your calculator)
approximate the square root
30
Square Root and Intervals - STEP 3
STEP 3: Check each answer choice
List as True or False
approximate the square root
31
Square Root and Intervals - STEP 4
STEP 4: Eliminate each wrong answer and pick the best choice.
approximate the square root
32
CFU
33
CFU
34
Multiple Choice
The side length of square is 6.8 ft. What is the area of the square?
13.6ft2
27.2ft2
46.24ft2
35
Multiple Choice
36
Multiple Choice
Which statement is true about 113
It is grater than 9 but less than 10
It is between 100 and 121
It is approximately 9.7
It is greater than but less than 12
I
37
Multiple Choice
A
B
C
D
38
Multiple Choice
Point N
Point M
Point P
Point Q
39
Multiple Choice
Denise is filling a square sandbox for her brother. If the sandbox floor has an area of 14 square feet, about how long is on side of the sandbox?
Between 3 ft and 3.5 ft
Between 3.5 ft and 4 ft
Between 4 ft and 4.5 ft
Between 4.5 ft and 5 ft
40
Multiple Choice
A square has an areqa of 157 square centimeters. The length of the square's sides would be between...
11cm and 12cm
12cm and 13cm
13cm and 14cm
14cm and 15cm
41
Scientific Notation - Example
42
Scientific Notation - Step 1: the what?
43
Scientific Notation - Step 3:move the decimal
44
Scientific Notation - Step 3: count the move
45
Scientific Notation - Step 3: count the move
46
Scientific Notation - Step 4: pick the sign (+/-)
47
Scientific Notation - Step 4: pick the sign (+/-)
48
Scientific Notation - Step 5: write your answer
49
CFU
Write the scientific notation of the number 39400.
50
CFU
51
Multiple Choice
52
Multiple Choice
Convert this number into scientific notation:
0.068
6.9 x 106
6.8 x 10-9
6.8 x 10-2
None of the above
53
Fill in the Blanks
Type answer...
54
Multiple Choice
55
Multiple Choice
8.317 x 106
in standard form?
Unit 1 Review
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