Increase or Decrease Line Graph

The number of bags of puppy food at a pet store decreases as the number of hours the store is open increases, as shown on the graph. At the fourth hour, how many bags of puppy food are left to sell?

• 10

• 12

• 15

• 18

A restaurant recorded the number of pizzas sold each month for one year. The data are shown in the graph below. During which month did the restaurant sell 40 pizzas?

• March

• May

• July

• August

Julia is tracking the number of pounds her new dog gains as it gets older. Which describes the pattern of growth shown in the graph?

• As Julia's dog gets older, its rate of growth increases.

• As Julia's dog gets older, its rate of growth decreases.

• Julia's dog is gaining weight at the same rate each month.

• Julia's dog is remaining at about the same weight each month.

At what rate did the temperature decrease between the 20th and 25th minutes of the experiment?

• 10°C in 5 min

• 10°C in 10 min

• 5°C in 5 min

• 5°C in 10 min

Which month had the biggest difference between the high and low temperatures?

• January

• April

• October

• November

The chart below shows 6 months of a company’s sales figures. Between which 2 months did sales decrease the most?

• July to August

• May to June

• April to May

• August to September

The graph below shows the total number of books Ashley had read by the end of each month for four months. During which month did Ashley read the fewest number of books?

• January

• February

• March

• April

The graph shows information about rainfall in the town of Oak Grove. According to the graph, which statement is true about yearly rainfall totals in Oak Grove?

• The rainfall total decreased every year from 1996 until 2001.

• The rainfall total increased only one time in the years shown.

• The rainfall total was never less than 25 inches for the years shown.

• The rainfall total was never greater than 50 inches for the years shown.

This graph shows the amount of money Myra earns walking dogs. Which statement is true about the graph?

• She charges $4 for every twenty minutes.

• The longer she walks a dog the less she charges per minute.

• The longer she walks a dog the more she charges per minute.

• She charges $4 for the first 20 minutes then $4 for each additional 10 minutes.

Annie recorded the amount of rain that fell each day. The results are shown in the line graph below. How many centimeters of rain fell on the third day?

• 2

• 3

• 4

• 7