Percent Double Number Lines

Using the double number line and your calculator, how much did the weight of hand sanitizer increase by?

• 25

• 17.5

The gas tank in dad’s car holds 12 gallons. The gas tank in mom’s truck holds 50% more than that. How much gas does the truck’s tank hold?

Mathematical Equivalence

ON

Answer explanation

At a movie theater, the size of popcorn bags decreased 20%. If the old bags held 15 cups of popcorn, how much do the new bags hold?

Mathematical Equivalence

ON

Answer explanation

A school had 1,200 students last year and only 1,080 students this year. What was the percentage decrease in the number of students?

Mathematical Equivalence

ON

Answer explanation

Determine 10% of 150 using a double number line.

• 15

• 10

• 25

• 20

Find 30% of 90 using a double number line.

• 35

• 27

• 25

• 30

Using a double number line, find 25% of 200.

• 60

• 75

• 40

• 50

Use the double number line to answer the question. If 70% of the 400 students play soccer, how many students play soccer?

• 40 students

• 140 students

• 200 students

• 280 students

What is 30% of 400?

• 40

• 120

• 70

• 400

Find 10% of 400.

• 4

• 40

• 10

• 400