Fractions: Equivalent Fractions on a Grid

The video tutorial explains how to determine the fractions that represent the shaded part of a 10 by 10 grid. It begins by calculating the total number of parts in the grid and identifying the shaded sections. The instructor then analyzes various fractions to find those equivalent to the shaded portion, emphasizing the importance of selecting multiple correct fractions for full marks. The tutorial concludes by summarizing the correct fractions and explaining the marking scheme.

What is the total number of parts in a 10 by 10 grid?

• 100

• 50

• 150

• 200

How many parts of the grid are shaded?

• 20

• 30

• 40

• 50

Which fraction represents the shaded part of the grid?

• 20/100

• 30/100

• 40/100

• 50/100

Which of the following is an equivalent fraction to 40/100?

• 6/10

• 5/10

• 4/10

• 3/10

Why is 6/10 not an equivalent fraction to 40/100?

• Because 6/10 is greater than 40/100

• Because 6/10 is less than 40/100

• Because 6/10 is not simplified

• Because 6/10 is not a fraction

Which fraction is also equivalent to 40/100?

• 3/5

• 2/5

• 4/5

• 1/4

How many marks are awarded for correctly identifying all equivalent fractions?

• Three marks

• Two marks

• One mark

• Four marks