Question 1: Look at the bar chart showing the number of books read by students in a class. The bar for 'Fiction' reaches up to 12 on the grid, and 'Non-fiction' reaches 8. How many more Fiction books were read than Non-fiction books?

Answer: 4

Question 2: The bar chart shows that 15 students prefer basketball, 10 prefer football, and 5 prefer tennis. What is the total number of students surveyed?

Answer: 30

Question 3: Which category has the highest number of students? Explain how you determined this from the bar chart.

Answer: Basketball because its bar reaches the highest point on the grid.

Question 4: Construct a simple bar chart on the grid to show the following data: Apples: 6, Bananas: 9, Oranges: 4.

Answer: Correctly drawn bars with heights proportional to the data values.

Question 5: The bar chart shows that 20 students prefer vanilla ice cream and 12 prefer chocolate. What fraction of the students prefer vanilla? Write your answer as a simplified fraction.

Answer: 5/3 (which is improper) or simplified as 5/3, or as a decimal 1.67. (Note: for simplicity, accept either fraction or decimal.)

Question 6: Identify the trend shown by the bar chart over the months of January to April, where the number of visitors increased each month. How does the height of the bars change?

Answer: The height of the bars increases each month, indicating a growing number of visitors.

Question 7: In a bar chart, the bar for 'Cats' is twice as tall as the bar for 'Dogs'. If the 'Dogs' bar reaches 7 units high, how tall is the 'Cats' bar?

Answer: 14

Question 8: A bar chart displays the number of cars sold in four months: Jan (30), Feb (45), Mar (40), Apr (50). Which month had the highest sales, and by how many cars did it exceed the month with the lowest sales?

Answer: April had the highest sales, exceeding January's 30 cars by 20.

Question 9: A student incorrectly draws the bar for 'Math' at 10 units, but the actual data shows 15 units. Identify the mistake and explain what the bar height should be.

Answer: The mistake is underestimating the bar height. The correct height should be 15 units based on data.

Question 10: The bar chart shows that 25 students like soccer, 15 like rugby, and 10 like cricket. If 5 students like both soccer and rugby, how many students like either soccer or rugby, assuming no overlap with cricket?

Answer: 35

Question 11: Compare the popularity of the three categories in the bar chart: 'Reading', 'Writing', and 'Math'. Which is most popular, and what visual evidence supports your answer?

Answer: The bar for 'Math' is tallest, indicating it is most popular.

Question 12: A bar chart shows the number of pets owned: Dogs (8), Cats (12), Fish (15). What is the ratio of dogs to fish?

Answer: 8:15