Scavenger+Hunt+Answer+Key

Directions: Read the questions carefully. Select the links to find your answers. Write your answers in complete sentences when necessary.
 * Online Scavenger Hunt Answer Key**
 * 4th Grade Math**


 * Multiplication, Single digit and two-digit:**

In a multiplication problem, what are the [|factors]? -The factors are the numbers that are being multiplied together.

How do you set up a [|two-digit] multiplication problem? -Place one number above the other so that the ones' place digits are lined up. Draw a line under the bottom number.

What is the result of [|multiplication]? -The result of multiplication is the total number (product) that would be obtained by combining several (multiplier) groups of similar size (multiplicand).


 * Equations:**

What is the [|perimeter] of a square if one side of the square is 5cm long?
Answer: 25

After reading the first two examples of [|balancing equations] with addition, what does x equal if: x+8=12? Answer: x = 4

When you are using [|subtraction and division together in equations], as in the examples at the bottom of the page, what is x if; 6x+4=2x+8? Answer: x = 1

What place value is the [|second] digit? Ten thousands' place
 * Numerations:**

What does it mean to write a number in //[|expanded form]//? To write the sum that the number indicates, and therefore to name the unit at each digit's place.

What is the [|word form] for the first example? six thousand one hundred seventy-four


 * Fractions:**

What is an [|proper] fraction? A fraction with the numerator smaller then the denominator.

What is the [|last] step you take in adding fractions? Simplify.

How do you get the [|reciprocal] of a fraction? By switching the numerator and denominator.

How do you [|simplify] a fraction? Divide the numerator and denominator by the greatest common factor.

[] What is the difference between perimeter and area? (HINT! Look at the picture on the given site!) The perimeter is the out edges of a shape, while the area it the space within the perimeters.
 * Understanding and Finding Area and Perimeter**

Give the equation for a: Rectangle :A= L x W where is the area, L is the length, W is the width. Parallelogram: A=b x h where b is the base, h is the height. Triangle: A = 1/2 x b x h where b is the base, h is the height.

[] What is the equation for the area of a circle? The area of a circle can be found by multiplying pi (n=3.14) by the square of the radius. If you know the diameter, the radius is half as large.

How many sides does an [|octagon] have? Is it a two-dimensional or three-dimensional shape? An octagon has 8 sides. An octagon is a two-dimensional shape.
 * Two-Dimensional and Three-Dimensional Shapes**

A [|triangular prism's]bases are what shape? A triangular prism's bases are triangles. What [|two-dimensional]shape has the most sides? Which has the least? The two-dimensional shape with the most sides is a dodecagon. The two-dimensional shape with the least sides is a triangle.

Created By: Rebecca Galatowitsch, Mary Rose Kelley, Tiffany Nikias, Alexandria Harkins, Elizabeth Russo, and Alexandra Bax