Math Quarter 4 Review

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Questions and Answers

Which of the following is NOT a key component when visualizing solid figures?

  • Understanding how the figure appears from different perspectives.
  • Understanding the properties of different shapes.
  • Being able to create physical models of the figures. (correct)
  • Identifying and describing faces, edges, and vertices.

A student is having difficulty understanding the structure of a complex polyhedron. What strategy would be most effective in helping them visualize it?

  • Encouraging the student to build a physical model of the polyhedron. (correct)
  • Asking the student to memorize the names of different types of polyhedra.
  • Providing the student with a formula to calculate its volume.
  • Showing the student a 2D representation of the polyhedron in a textbook.

Consider the sequence: 2, 6, 12, 20, 30, __. Which rule accurately describes the pattern and allows you to find the next term?

  • Add 4 to the previous term.
  • Multiply the previous term by 3.
  • The nth term is $2n + 1$
  • The nth term is $n^2 + n$. (correct)

What is the next number in the following sequence: 1, 4, 9, 16, 25, __?

<p>36 (B)</p> Signup and view all the answers

Solve for x: $x + 7 = 15$.

<p>x = 8 (B)</p> Signup and view all the answers

If it is 3:00 PM using a 12-hour clock, what time is it using a 24-hour clock?

<p>15:00 (A)</p> Signup and view all the answers

If a meeting starts at 10:00 AM and lasts for 2 and a half hours, what time will it end using a 24-hour clock?

<p>12:30 (D)</p> Signup and view all the answers

If it is 7:00 AM in London (GMT+0), what time is it in New York (GMT-4)?

<p>3:00 AM (C)</p> Signup and view all the answers

Los Angeles is GMT-7 and Tokyo is GMT+9. If it is noon in Los Angeles, what time is it in Tokyo?

<p>5:00 AM the next day (D)</p> Signup and view all the answers

A plane leaves London (GMT+0) at 6:00 AM and arrives in New York (GMT-4) 8 hours later. What is the local time in New York when the plane arrives?

<p>2:00 PM (D)</p> Signup and view all the answers

A circle has a diameter of 14 cm. What is its circumference? (Use $\pi = 3.14$)

<p>43.96 cm (B)</p> Signup and view all the answers

If the circumference of a circle is 25.12 inches, what is the radius of the circle? (Use $\pi = 3.14$)

<p>4 inches (C)</p> Signup and view all the answers

A circular garden bed has a radius of 5 meters. You want to put a decorative fence around it. How many meters of fencing will you need? (Use $\pi = 3.14$)

<p>31.4 meters (B)</p> Signup and view all the answers

When calculating time in different world time zones, what is the most important factor to consider?

<p>The GMT (Greenwich Mean Time) offset of each location. (B)</p> Signup and view all the answers

Which solid figure has one circular base and a single vertex?

<p>Cone (D)</p> Signup and view all the answers

What is the solution to the following equation: $2x - 5 = 9$?

<p>x = 7 (A)</p> Signup and view all the answers

A sequence starts with the number 3 and increases by multiplying the previous term by 2 and then adding 1. What are the next three terms in the sequence?

<p>7, 15, 31 (C)</p> Signup and view all the answers

If it is 14:00 in Rome (GMT+2), what time is it in Chicago (GMT-5)?

<p>7:00 (D)</p> Signup and view all the answers

Which formula is used to calculate the circumference of a circle, where 'r' represents the radius?

<p>$C = 2\pi r$ (D)</p> Signup and view all the answers

Which of the following equations demonstrates the correct application of the order of operations to solve for x?

<p>$4x - 2 = 10 \rightarrow 4x = 12 \rightarrow x = 3$ (D)</p> Signup and view all the answers

Flashcards

Visualizing & Describing Solid Figures

Identifying and explaining the characteristics and properties of three-dimensional shapes.

Making Models of Solid Figures

Creating physical representations of three-dimensional shapes using materials like paper, clay, or building blocks.

Formulating the Rule for Finding the Next Term in a Sequence

Determining a pattern or formula to predict the subsequent element in an ordered set of numbers or objects.

Simple Equations Involving One Operation

Solving mathematical statements that involve only one operation (+, -, ×, ÷) to find an unknown value.

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Measuring Time Using 12-Hour and 24-Hour Clocks

Using 12-hour (AM/PM) and 24-hour (military time) formats to read and record specific points in time.

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Calculating Time in Different World Time Zones

Calculating the time in different regions of the world based on their respective time zones and the time differences from a reference point.

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Circumference of a Circle

The distance around a circle.

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Study Notes

  • Review pointers for Quarter 4

Solid Figures

  • Visualize and describe solid figures
  • Make models of solid figures

Sequence

  • Formulate the rule for finding the next term in a sequence

Equations

  • Solve simple equations involving one operation

Time

  • Measure time using 12-hour and 24-hour clocks
  • Calculate time in different world time zones

Circle

  • Calculate the circumference of a circle

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