Math

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What are some ways to teach your kids the times tables?

Another method for teaching children their times tables is to teach them the concept of gridding. For instance, the multiplication problem three times three can be represented by drawing a grid that is three squares across and three squares tall, like a Tic-Tac-Toe grid, having nine squares in total. Adding in an additional row to the grid turns it into a three by four grid, which has 12 squares.\nA third method useful for teaching children their times tables is chunking. Chunking allows them to break down the problem into more manageable parts and is also very useful for working with money. ..

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What is 400 meters equal to?

The length of 400 meters is also equivalent to 1,312 feet, 15,748 inches and 0.4 kilometers. According to Metric Conversions, each meter is equivalent to exactly 0.00062137 miles, and 1 mile is equivalent to 1609.3 meters. A race of 400 meters is common in track events. According to Unitarium, in August 1999, Michael Johnson ran 400 meters in 43.18 seconds, the world record time for a runner as of July 2012.

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Why is geometry so important?

Geometry helps understanding of spatial relationships. It creates a clear perception of space and position through studying the size and shape of everything in the world. Geometry helps comprehend the measurements and relationships of lines, angles, surfaces and solids found in the everyday world.\nGeometry allows people to think in shapes and sizes. Knowing about different shapes and their sizes allows the mind to visualize new things by building with the learned shapes. Geometry can aid in bringing together both sides of the brain. The left side of the brain is the logic-driven, technical si..

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How does i-Ready math help children?

Following an initial assessment, students work on lessons that correspond to their learning level. The assessments allow i-Ready to adjust the instructions according to students' previous responses and identify areas that need improvement. An online program, i-Ready is accessible by teachers who can monitor student activity and access performance reports that help plan differentiated instructions. This program can switch between grade levels to match students' learning potential. It also presents lessons through real world and practical applications.\nThe i-Ready program provides cor..

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How do you write decimals in standard form?

For example, the decimal 0.0000005467 can be expressed in standard form as 5.467 * 10^-7. This is because in order for the decimal to be to the right of the first nonzero digit, it has to be moved seven places to the right. After moving the decimal seven places to the right, the resulting number is 5.467. Then, this number is multiplied by 10^-7, because when moving the decimal to the right, one must multiply by 10 to the power of the negative of the number of places the decimal point moved.\nAnother simple example is the decimal 0.01. It can be expressed as 1 * 10^-2, because the decimal has ..

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How do you find the volume of a square pyramid?

Determine the value of the side of the baseIf you are given the value of the sides of the square base of the pyramid, use this value for A. Each side is the same length, as the base is a square.Square the value of one sideMultiply the value of one side of the base with itself. This squares the value.Determine the heightIf you are given the height of the triangle, use that value for h. If you are only given the hypotenuse and the length of half a diagonal, use the Pythagorean theorem to determine the height. Find the volumeUsing the formula for finding the volume of a square-based pyramid, mult..

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What does conjecture mean in math?

One conjecture used in math by every student that is unproven is that the sum of the three angles in a triangle equals 180 degrees. Another conjecture involves parallel lines cut by a transversal. In this case, many different types of angles are formed, such as corresponding angles. A conjecture states that these corresponding angles formed are congruent.There are many other famous unproven or unsolved conjectures in math. Some of these are the Poincare Conjecture, Goldbach Conjecture and the twin prime conjecture.

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How do you use a line plot maker?

Choose a line plot makerThere are different line plot makers available. Plan how to display the data set, making sure data is easily read and understood. Compare the features of each line plot maker to determine which one yields the desired result. Select the right line plot maker for the project at hand.Input the dataInsert data in a line plot maker for display along two axes, vertically on the y-axis and horizontally along the x-axis. Specify the distinct categories of data to display along the x-axis. Set the measuring units and measuring increments represented along the y-axis. Make sure t..

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How do you plot a Beer's Law graph?

Measure the absorbance Shine a light through the sample. Calculate the transmittance percentage of the sample by multiplying the intensity of the light source by the light transmitted through the sample. Divide 100 by this number, and then multiply the result by log.Measure the concentrationFind the analytical wavelength of the sample. Take samples of the substance's known concentration, and calibrate the spectrophotometer. Find the absorbance of these known concentrations using the analytical wavelength of the sample.\nPlot the absorbance and concentrationWrite all of the absorbance meas..

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What are the inside dimensions of a 53-foot trailer?

The 53-foot trailer is the largest available for use with a semi truck. If the cargo load is not big enough to warrant this size, the trailers are also available in 28-, 45- and 48-foot sizes. Choosing the right size load for a cargo is an important part of managing shipping costs. Additional questions about the size and cargo capacity of any given simi-truck can be acquired by contacting the trailer provider, as this information will slightly vary.

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