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Math Basics Review
One more times table challenge: What is 9 x 6?
Are 0 and 1 prime?
Math Basics Review
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1
Are 0 and 1 prime?
0 is, 1 is not
0 is not, 1 is
Neither is
Both are
2
One more times table challenge: What is 9 x 6?
54
45
72
63
3
Multiply These Fractions
7/20
3 1/2
5/7
2 1/10
4
Convert 57% to a fraction
32/50
0.57
28/50
57/100
5
Onto fractions: convert 4/9 to a decimal.
0.454545454545...repeating
0.40
0.4444444444... (repeating)
0.36363636... (repeating)
6
How do you convert a fraction to a decimal?
Make it have a denominator of 10, 100, or 1000 - result goes after decimal
Multiply by 100.
Either blue or yellow works.
Divide the numerator by the denominator (long division)
7
Add these fractions
14 7
7 / 12
45 / 12
47 / 12
8
Divide the following fractions...
1/15
- 27/5
27/5
3/45
9
Which of these correctly lists the 6 times tables for 6x1 through 6x10? Read carefully!
6, 12, 18, 24, 30, 34, 40, 46, 52, 60
6, 12, 18, 22, 28, 36, 42, 48, 54, 60
6, 12, 18, 24, 30, 36, 42, 48, 54, 60
6, 12, 18, 24, 30, 36, 40, 48, 56, 60
10
Convert 1/5 to a decimal
0.20
0.50
0.80
0.25
11
Divide fractions
6/7
21/16
16/21
4/7
12
Subtract these fractions
2 / 21
58 / 21
6 / 21
6 / 4
13
Convert to a decimal
6.25
.0625
62.5
.625
14
Fraction practice: what must you have to add or subtract fractions?
Common denominator
Common numerator
15
Define even and odd
Even means divisible by 2, odd means divisible by 3
None of these
Even means divisible by 2, odd means 1 more than a number divisible by 2
Even means divisible by 3, odd means divisible by 2
16
Math terminology time: define a prime number
A number with exactly 2 factors, one and itself
A number with exactly 1 factor: itself
A number with exactly four factors: 1, half the number, 2, and itself
A number with exactly three factors: 1, itself, and its square root
17
Multiplication Facts Challenge
97
63
72
81
18
Convert to an improper fraction.
28/8
21/8
161/8
1/160
19
Let's start with times tables. What is 6x4?
24
28
32
22
20
Convert .02 to a fraction.
1/2
1/50
2/1000
2/10
21
Decimal to percent...what do you do?
Just drop the decimal.
Divide by 100
Move the decimal two places right
Move the decimal two places left
22
How did you feel about this review?
I feel like I forgot everything!
It was a waste of time.
Red and blue
It was useful, thanks!
23
Convert 25% to a decimal.
2.5
.0025
0.25
.025
24
How do you convert a decimal back to a fraction?
Divide by 100
Multiply by 100
Either red or yellow works.
Put the number over its decimal place (hundredeth, put /100, etc)
25
Multiply the Fractions
9/4
3/11
1/3
1/4
26
How can 0 be classified?
Even
Rational
Integer
All of the above
27
Last up, percent to decimal...what do you do?
Multiply by 100
Move the decimal two places right
Move the decimal two places left
Put the decimal at the start of the number
28
Convert to a percent. (HINT: use elimination!)
.875
87.5
.00875
8.75
29
How do you convert a fraction to a percent?
Divide by 100
Divide numerator by denominator then multiply by 10
Move the decimal 2 places to the left
Multiply by 100
30
MULTIPLICATION TABLE
8 AND 24
9 AND 25
3 AND 6
9 AND 24
31
Speaking of the 9 times tables, which of these is NOT true?
Subtract 1 from the multiplier, then subtract that from 9 for the second.
Digits always add to a multiple of 9
All of the others are true.
You can use your fingers for 9x1 through 9x10
32
How do you convert a percent to a fraction?
Both red and yellow work.
Divide by 100
Put the percent over 100 and reduce
Move the decimal two places to the right
33
Answer the multiplication :
38
46
54
48
34
Convert to a percent
20.01%
.20%
20%
201%
35
Today's Quiz will focus on three things shown below. Which of these are you most worried about?
I'm equally worried/not worried about all three.
Basic math terminology
Times tables
Fractions, decimals, and percents
36
What is 7 x 8?
56
64
54
48