Decimals
Fractions
Proportions/Ratios
Percents
Mixed Bag
100
Which of these represents the thousandths place value? a. 1,000 b. 1/1000 c. 10³ d. 0.01
What is b.
100
A fraction represents what over what?
What is part over whole (usually shaded is the part).
100
How would you simplify (write in lowest terms) the ratio 18:27?
What is 2:3.
100
How do you change a decimal to a percent?
What is move the decimal 2 places to the RIGHT.
100
Find the missing term: 8 : x = 24 : 45
What is x = 15.
200
Which of these represents the tenths place value? a. 10¹ b. 0.1 c. 10¯¹ d. 0.01
What is b and c.
200
What must you do to change a fraction into a decimal?
What is change the denominator to 10, 100, 1000, etc. or divide the numerator by the denominator.
200
Do 5/12 and 30/48 form a proportion?
What is NO. 240 does not equal 360.
200
Percent means PER ___________?
What is hundred.
200
Write 6 as a percent.
What is 600%.
300
Which of these represents the hundreds place value? a. 10¯² b. 100 c. 10² d. 0.01
What is b and c.
300
What must be common when ADDING and SUBTRACTING fractions?
What is the denominator. The denominator will stay the same in the answer.
300
True or false. The numerator units must be the same and the denominator units must be the same in a proportion.
What is TRUE. Ex. cm/inches = cm/inches
300
How to you change a percent to a decimal?
What is move the decimal 2 places to the LEFT.
300
4 1/2% of 70 = ?
What is 3.15.
400
True or false. To determine where the decimal goes in the answer (quotient) when 2 decimals are multiplied you must add the total number of jumps in both factors.
What is TRUE.
400
How do you multiply 2 fractions together? What gets multiplied?
What is numerator x numerator and denominator x denominator.
400
What is the unit rate (when the denominator is 1) for the following problem: 3 cans for $1.20. How much for 1 can?
What is 40 cents ($0.40).
400
How would you change a fraction to a percent?
What is put the fraction = x/100. Set up a proportion and solve for the value of x. If the denominator is 100 or can be changed to 100 the number in the numerator will be the percent. You may also divide the numerator by the denominator and move the decimal 2 places to the right.
400
45 is 25% of what number?
What is 180.
500
What would you change/move when dividing a decimal by a decimal?
What is move the decimal in the divisor to the right until you are able to divide by a whole number. Whatever you do to the divisor you must do to the dividend.
500
What MUST we do when dividing fractions (think of the saying you learned)?
What is keep it, change it, flip it! Keep the first fraction, change the division sign to multiplication, and flip the second fraction. Solve like you would a multiplication problem.
500
Out of every $150 she earns, Karie saves $12. At this rate, how much money will she have saved when she has earned $1,350?
What is $108.
500
What does the word "of" mean when we see it in a problem? Ex. 35% of 60 = ?
What is multiply. 35% x 60 = 0.35 x 60 = 21
500
Target is offering a 20% discount on all televisions. Drew would like to buy a TV that was originally priced at $236.50. What is the cost after the discount?
What is $189.20.
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