Lesson 2: Practice Problems

Problem 1

Select the unit from the list that you would use to measure each object.

  • centimeters

  • cups

  • feet

  • gallons

  • grams

  • inches

  • kilograms

  • kilometers

  • liters

  • meters

  • miles

  • milliliters

  • millimeters

  • ounces

  • pounds

  • quarts

  • tons

  • yards

  1. The length of a pencil

  2. The weight or mass of a pencil

  3. The volume of a pencil

  4. The weight or mass of a hippopotamus

  5. The length of a hippopotamus

  6. The length of a fingernail clipping

  7. The weight or mass of a fingernail clipping

  8. The volume of a sink

  9. The volume of a bowl

  10. The length of a chalkboard or whiteboard

  11. The weight or mass of a chalkboard or whiteboard

  12. The length of the border between the United States and Canada

Problem 2

When this pet hamster is placed on a digital scale, the scale reads 1.5.

An image of a hamster, held in the palm of a hand.

What could be the units?

Problem 3

Select the larger unit of measure. Then, determine if the unit measures distance, volume, or weight (mass).

    1. meter

    2. kilometer

    1. yard

    2. foot

    1. cup

    2. quart

    1. pound

    2. ounce

    1. liter

    2. milliliter

    1. gram

    2. kilogram

Problem 4 From Unit 2 Lesson 15

Elena mixes 5 cups of apple juice with 2 cups of sparkling water to make sparkling apple juice. For a party, she wants to make 35 cups of sparkling apple juice. How much of each ingredient should Elena use? Explain or show your reasoning.

Problem 5 From Unit 2 Lesson 12

Lin bought 3 hats for $22.50. At this rate, how many hats could she buy with $60.00? If you get stuck, consider using the table.

number of hats

price in dollars

Problem 6 From Unit 2 Lesson 9

Light travels about 180 million kilometers in 10 minutes. How far does it travel in 1 minute? How far does it travel in 1 second? Show your reasoning.