Exam/BM 2 Challenge 1

Front

What is the process to find how many pieces of ribbon can be cut from a longer piece?

Back

Front

How do you determine the largest number of identical bags that can be made from a set of items?

Back

To determine the largest number of identical bags, find the greatest common divisor (GCD) of the quantities of items. For example, with 20 green marbles and 30 blue marbles, the GCD is 5, allowing for 5 bags with 4 green and 6 blue marbles each.

Front

What happens to the coordinates of a point when it is reflected across the y-axis?

Back

When a point (x, y) is reflected across the y-axis, its x-coordinate changes sign, resulting in the new coordinates (-x, y). For example, if point G is (5, 1), its reflection across the y-axis is (-5, 1).

Front

How do you calculate the total cost of buying multiple items?

Back

To calculate the total cost of buying multiple items, add the individual prices together. For example, if a jacket costs $25.65 and a vest costs $22.26, the total cost is: $25.65 + $22.26 = $47.91.

Front

What is the opposite of a number on a number line?

Back

Front

What is the formula for dividing fractions?

Back

Front

How do you convert a mixed number to an improper fraction?

Back

Front

What is the significance of the greatest common factor (GCF) in problem-solving?

Back

The greatest common factor (GCF) helps in simplifying fractions and finding the largest number of identical groups that can be formed from a set of items. It is essential for solving problems involving division of quantities.

Front

How do you find the area of a rectangle?

Back

To find the area of a rectangle, multiply its length by its width. For example, if a rectangle has a length of 5 ft and a width of 3 ft, the area is: 5 ft x 3 ft = 15 sq ft.

Front

What is the relationship between addition and subtraction in terms of opposites?

Back

Addition and subtraction are inverse operations. For example, if you add a number and then subtract the same number, you return to the original value.