Plans and Worksheets for Grade 3
Plans and Worksheets for all Grades
Lessons for Grade 3
Common Core For Grade 3
Videos, examples, solutions, and lessons to help Grade 3 students learn how to solve word problems involving time intervals within 1 hour by counting backward and forward using the number line and clock.
Common Core Standards: 3.NBT.2,
New York State Common Core Math Grade 3, Module 2, Lesson 4
Patrick and Lilly start their chores at 5:00 p.m. The clock
and the number line show the times that Patrick and Lilly finish their chores.
Who finishes first? Explain how you know. Solve the problem without drawing a number line. You might want to visualize or use your clock template, draw a tape diagram, use words, number sentences, etc.
Look back at your work on Application Problem.
We know that Lilly finished after Patrick.
Let’s use a number line to figure out how many more minutes than Patrick Lilly took to finish.
Label the first tick mark 0 and the last tick mark 60. Label the hours and 5-minute intervals. T: Plot the times 5:31 p.m. and 5:43 p.m.
Find the difference between Patrick and Lilly’s times.
How many more minutes than Patrick did it take Lilly to finish her chores?
12 minutes more.
What strategy did you use to solve this problem?
1. Cole starts reading at 6:23 p.m. He stops at 6:49 p.m. How many minutes does Cole read?
Cole reads for __________ minutes.
2. Natalie finishes piano practice at 2:45 p.m. after practicing for 37 minutes. What time does Natalie’s
Natalie’s practice starts at __________ p.m.
3. Genevieve works on her scrapbook from 11:27 a.m. to 11:58 a.m. How many minutes does she work on
Genevieve works on her scrapbook for __________minutes.
4. Nate finishes his homework at 4:47 p.m. after working on it for 38 minutes. What time does Nate start
Nate starts his homework at __________ p.m.
5. Andrea goes fishing at 9:03 a.m. She fishes for 49 minutes. What time is Andrea done fishing?
6. Dion walks to school. The clocks below show when he leaves his house and when he arrives at school.
How many minutes does it take Dion to walk to school?
Homework Questions 1 to 6
Record your homework start time on the clock in Problem 6.
Directions: Use a number line to answer Problems 1 through 4.
1. Joy's mom begins walking at 4:12 p.m. She stops at 4:43 p.m. How many minutes does she walk?
Joy's mom walks for __________ minutes.
2. Cassie finishes softball practice at 3:52 p.m. after practicing for 30 minutes. What time does Cassie's
Cassie’s practice starts at ____________.
3. Jordie builds a model from 9:14 a.m. to 9:47 a.m. How many minutes does Jordie spend building his
Jordie builds for _____________ minutes.
4. Cara finishes reading at 2:57 p.m. She reads for a total of 46 minutes. What time did Cara start reading?
Cara starts reading at ____________ p.m.
5. Jenna and her mom take the bus to the mall. The clocks below show when they leave their house and
when they arrive at the mall. How many minutes does it take them to get to the mall?
Time when they leave home:
Time when they arrive at the mall:
6. Record your homework start time:
Record the time you finish Problems 1–5:
How many minutes did you work on Problems 1–5?
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