Lesson 1
Name __________________________________________
Tell and Write Time
You can tell and write time to the nearest minute.
Examples
Write
Look at the clock. Write the time using numbers and words.
Lesson 2
Name __________________________________________
Measuring Time in Minutes
You can find how much time has passed from a starting time to an ending time.
Examples
Solve
Write how much time has passed.
I am a time between 1:00 and 3:00. The hour digit is an even number. Both minute digits form an even number, too. The sum of the minute digits is 1. What time am I? ___________
Lesson 3
Name __________________________________________
Problem Solving: Adding and Subtracting Time
You can use a number line to help add and subtract time in minutes.
Examples
Solve
Draw number lines to help solve the exercises.
Mr. Wagner lifts weights for 10 minutes and runs for 35 minutes. He finishes exercising at 6:15. When did he start exercising?
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The train leaves at 7:15. Abby needs 15 minutes to get to the station, 20 minutes to pack, and 10 minutes to get ready. When should she start getting ready?
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Lesson 4
Name __________________________________________
Volume in Liters and Milliliters
Volume is the amount of space something takes up. You can estimate and measure the volume of liquids.
Examples
Estimate
Circle the better estimate for the amount each can hold.
Ask an adult to help you find a measuring cup marked with milliliter divisions. You also need a drinking glass. How many milliliters of water do you think the glass holds? Write your estimate. Fill the glass with water. Then pour the water into the measuring cup. Write the number of milliliters.
Estimate: ___________ mL
Measurement: ___________ mL
Justin says 750 mL describes a larger amount than 2 L because 750 is a greater number than 2. Is he correct? Explain.
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Lesson 5
Name __________________________________________
Volume in Cups, Pints, Quarts, and Gallons
You know how to use milliliters and liters to estimate and measure the volume of liquids. You can also measure liquids in cups, pints, quarts, and gallons.
Examples
Estimate
Place a check mark beside the better estimate for the amount each can hold.
Fill in the blank with the reasonable measurement.
Patty drank ___________ of water after dance class.
6 gallons 2 cups
Lesson 6
Name __________________________________________
Mass in Grams and Kilograms
Mass is the amount of matter in something. You can estimate and measure an object’s mass using grams and kilograms.
Examples
Estimate
Place a check mark beside the better estimate of each object’s mass.
What do you think is the mass of a small grape? Of a jar of pickles? Write your estimates. If possible, check your estimates using a scale that measures grams and kilograms. Write the measurements.
Lesson 7
Name __________________________________________
Estimating and Weighing in Ounces and Pounds
You can estimate and measure the weight of objects in ounces or pounds.
Examples
Estimate
Place a check mark beside the better estimate of each object’s weight.
Which weighs more: 16 ounces of feathers or 1 pound of marbles? Explain.
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How many pounds do you think a pair of your shoes weigh? Write your estimate. If possible, check your estimate using a scale. Write the number of pounds.
Estimate: ___________ lb
Measurement: ___________ lb
Lesson 8
Name __________________________________________
Problem Solving: Volume and Mass
Addition, subtraction, multiplication, and division are operations.
Example
Solve
Read. Choose the correct operation and solve.
A nickel has a mass of 5 grams. A dime has a mass of about 3 grams. Shari has 4 nickels and 1 dime. What is the mass of all 5 coins?
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Megan used 36 liters of water to fill some fish bowls at the pet shop. She poured 4 liters into each bowl. How many fish bowls did she fill?
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Chapter 9 Test
Look at the clock. Write the time using numbers or words.
Write how much time has passed.
Cameron finishes his chores at 1:30. He spent 5 minutes watering house-plants, 30 minutes raking leaves, and 5 minutes making his bed. When did he start his chores? Use the number line and work backward to help you solve.
Place a check mark beside the better estimate for the amount each can hold.
Place a check mark beside the better estimate of each object’s mass.
Find a heavy book or a container of laundry soap. Estimate how much the book or the laundry soap container weighs in pounds. If possible, check your estimate using a scale. Write the number of pounds.
Estimate: ___________ lb
Measurement: ___________ lb
Place a check mark beside the better estimate of each object’s weight.
Choose the correct operation and solve the word problem.
Mr. Hunter waters several large plants using this watering can. Each plant needs the amount of water in 1 full can. How many plants did Mr. Hunter water if he used 14 liters of water in all?
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