Math C and C Flashcards
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Questions and Answers

What is the volume of a 9 inch cube?

729 cu in

What is 1/3 of a dollar?

33 cents

Convert 0.86 into a fraction and reduce to lowest terms.

43/50

Convert 0.78 into a percentage.

<p>78%</p> Signup and view all the answers

What is the equivalent of 3/4 inch?

<p>6/8 inch</p> Signup and view all the answers

The volume of a shape in the metric system is stated in terms of what?

<p>cu m</p> Signup and view all the answers

When converting decimals to a percentage, how many places do you move the decimal point?

<p>two places to the right</p> Signup and view all the answers

If you have 5,814 feet of rope and you cut it into 27-foot sections, how many sections will you have?

<p>215 sections with 9 left over</p> Signup and view all the answers

How much is your total check if you worked 40 hours at $20/hour and paid $83 and $19 in taxes?

<p>$698</p> Signup and view all the answers

What is 4.5 multiplied by 7?

<p>31.5</p> Signup and view all the answers

If a carpenter needs 150 studs and each stud costs $6.75, what is the total cost?

<p>$1012.50</p> Signup and view all the answers

What is the lowest term of the fraction 4/32?

<p>1/8</p> Signup and view all the answers

The metric ruler is divided into what units?

<p>centimeters and millimeters</p> Signup and view all the answers

What does the marked measurement in the figure above indicate?

<p>2.6 cm</p> Signup and view all the answers

What is each millimeter increment in the metric system?

<p>1/10 of a centimeter</p> Signup and view all the answers

What is the marked measurement in the figure above indicated in inches?

<p>2-1/8</p> Signup and view all the answers

What is the area of a triangular roof section with a base of 7 feet and a height of 3.5 feet?

<p>12.25 sq ft</p> Signup and view all the answers

If an electrician earns $25.00 per outlet installed, how much will he earn for installing 12 outlets?

<p>$210.00</p> Signup and view all the answers

If you are adding 26 + 47 you will need to ____ the tens part of a sum from the units column to the tens column and add it there.

<p>carry</p> Signup and view all the answers

Convert 612 centimeters to meters.

<p>6.12 m</p> Signup and view all the answers

Convert 0.75 meters into centimeters.

<p>75.0 cm</p> Signup and view all the answers

The metric system is used to measure length, weight, volume, and what?

<p>temperature</p> Signup and view all the answers

What does percentage mean?

<p>out of 100</p> Signup and view all the answers

What is the square footage of a room that measures 12 feet by 16 feet long?

<p>192</p> Signup and view all the answers

What is 1/4 + 3/8 ?

<p>5/8</p> Signup and view all the answers

A screw is 3-7/10 inches long. Using decimals, this is written as _______ inches.

<p>3.70</p> Signup and view all the answers

What is 8/12 - 4/8 reduced to the lowest term?

<p>1/6</p> Signup and view all the answers

If one sheet of drywall weighs 48.7 pounds and you ordered 50 sheets, what will your total order weigh?

<p>2,435.0 lbs</p> Signup and view all the answers

What is 7/8 x 3/9?

<p>7/24</p> Signup and view all the answers

If you need to mix 42 pounds of mortar and each pound of mortar requires 0.03 liters of water, how many liters of water do you need?

<p>1.3 liters</p> Signup and view all the answers

Study Notes

Volume and Measurement

  • The volume of a 9-inch cube measures 729 cubic inches.
  • Volume in the metric system is measured in cubic meters (cu m).
  • Equivalent to 3/4 inch is 6/8 inch.

Basic Fractions and Decimals

  • One-third of a dollar is 33 cents.
  • Converting 0.86 into a fraction results in 43/50.
  • Converting 0.78 into a percentage yields 78%.
  • Lowest term for the fraction 4/32 is 1/8.
  • To convert 0.75 meters to centimeters is equal to 75.0 cm.

Calculations and Conversions

  • Converting 612 centimeters to meters gives 6.12 m.
  • To add decimals, move the decimal point two places to the right when converting to percentages.
  • For addition, carry tens from the units column to the tens column.
  • 26 + 47 involves carrying.

Geometry and Area Calculations

  • The area of a triangular section with a base of 7 feet and height of 3.5 feet is 12.25 square feet.
  • A room measuring 12 feet by 16 feet has a square footage of 192 sq ft.

Cost Calculations

  • A carpenter building an addition needs 150 studs at $6.75 each, totaling $1,012.50.
  • An electrician earns $25 per outlet with material costs of $7.50 for 12 outlets, totaling $210.

Weight and Material Measurements

  • One drywall sheet weighs 48.7 pounds; ordering 50 sheets totals 2,435 pounds.

Miscellaneous Calculations

  • Multiplying 4.5 by 7 equals 31.5.
  • Total check after taxes for a $20/hour job over 40 hours with deductions totals $698.
  • 8/12 - 4/8 simplifies to 1/6.
  • 7/8 multiplied by 3/9 yields 7/24.
  • Mixing 42 pounds of mortar requires 1.3 liters of water, with each pound needing 0.03 liters.

Metric System and Basic Definitions

  • The metric ruler is divided into centimeters and millimeters; each millimeter is 1/10 of a centimeter.
  • Percentage means out of 100.

Decimal Conversions

  • A screw measuring 3-7/10 inches can be expressed as 3.70 inches in decimal form.

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Test your knowledge with these flashcards covering various math concepts such as volume, fractions, percentages, and conversions. Each card provides a word or question along with its definition or answer. Perfect for quick revision or self-assessment in mathematics.

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