What is the FIRST step to multiplying the two mixed numbers: 4 1/2 x 3 1/3 =
HINT: DON'T say multiply the whole numbers!!!!!
Change the mixed numbers into improper fractions.
200
What is 20% of 90?
90 x .2 = 18
200
What is 46% of 200? Estimate to find your answer.
46% is close to 50%
50% of 200 is 100
200
What does decimalize mean?
Decimalize means that we take a fraction and turn it into a decimal.
300
What is 1 19/20 - 4/5=
1 19/20 - 16/20 =
1 3/20
300
What is 3/4 x 4/3? And what are these two fractions called?
3/4 x 4/3 = 1 The fractions are reciprocals of each other.
300
If 18 out of 50 students dislike ice cream, what percent does this fraction represent? (What percent do not like ice cream?)
18/50 = 36/100 = 36%
300
If Joshua completed 18% of his test on Monday, and then 19% of his test on Tuesday, what benchmark fractions could we use to represent these percents? What is their sum?
18% and 19% are close to 1/5 and 1/5. 1/5 + 1/5 = 2/5
300
What is a benchmark fraction? What is an example of a benchmark fraction and its matching percent?
A benchmark fraction is a fraction that is easily converted into a decimal and percent.
400
What is 4 4/7 - 2 1/3 =
4 12/21 - 2 7/21 = 2 5/21
400
What is 4 3/4 x 2 2/3 =
Write the answer in simplest form.
19/4 x 8/3 = 152/12
or 38/3 or 12 2/3
400
Represent the 4/9 as a fraction, decimal and percent.
4/9 or 44/99
.4444444444444444
44%
400
Estimate what the sales tax would be on a 97 dollar purchase at Target.
$100 x .08 = 8.00
400
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What does estimation mean?
A close guess or educated attempt to solve a problem without actually doing the calculation
500
What 10 1/10 - 9/20 =
10 1/10 - 9/20 = 9 13/20
500
If Mr. Derr has 17 1/2 feet of rope and wants to give each student 2 1/2 feet of rope, how many students can he give 2 1/2 feet of rope to?
17 1/2 / 2 1/2 =
35/2 x 2/5 = 7/1
500
You go to KMart and get all your Christmas shopping done and spend $48.00. However you have a 30% off coupon. What is the discount AND what is your total bill?
$48 x .3 = $14.40
48.00 - 14.40 = $33.60
500
If you go to a very classy restaurant and your bill comes to $145 and you want to live a generous 20% tip, estimate how much your tip would be.
If your bill was $145 that would round to $150.
$150 x .2 = $30