Curriculum / Math / 3rd Grade / Unit 7: Measurement / Lesson 4
Math
Unit 7
3rd Grade
Lesson 4 of 12
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Solve word problems involving elapsed time within the same hour.
The core standards covered in this lesson
3.MD.A.1 — Tell and write time to the nearest minute and measure time intervals in minutes. Solve word problems involving addition and subtraction of time intervals in minutes, e.g., by representing the problem on a number line diagram.
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a. Henry starts riding his bike at 3:10 p.m. He rides for 35 minutes. What time does he stop riding his bike?
b. Alfonso starts exercising at 7:20 a.m. He finishes exercising at 7:45 a.m. How many minutes did Alfonso exercise?
c. Cassie goes swimming for 30 minutes. She finishes swimming at 1:50 p.m. What time did she start swimming?
Grade 3 Mathematics > Module 2 > Topic A > Lesson 4 of the New York State Common Core Mathematics Curriculum from EngageNY and Great Minds. © 2015 Great Minds. Licensed by EngageNY of the New York State Education Department under the CC BY-NC-SA 3.0 US license. Accessed Dec. 2, 2016, 5:15 p.m..
a. Joe finishes his chores at 5:42 p.m. It took him 28 minutes to complete them. What time did he start doing his chores?
b. Lucia’s math class started at 10:18 a.m. She worked for 33 minutes. What time was it when Lucia’s math class ended?
c. Leslie starts reading at 11:27 a.m. She finishes reading at 11:54 a.m. How many minutes does she read?
Problem Set
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Before a movie starts, a theater plays some movie trailers. The trailers start at 8:05 p.m. and end at 8:24 p.m. How long are the movie trailers?
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Lesson 3
Lesson 5
Topic A: Time Measurement
Tell time to the nearest minute.
3.MD.A.1
Tell time to the minute before the hour.
Relate clocks to number lines.
Solve word problems involving elapsed time that involves crossing the hour mark.
Solve word problems involving all cases of elapsed time in minutes.
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Topic B: Mass and Liquid Volume Measurement
Understand mass as an attribute of objects that is measured in grams and kilograms. Develop benchmarks for 1 kilogram and 1 gram.
3.MD.A.2
Estimate and measure mass in grams and kilograms by reading a measurement scale on an analog scale or other scale.
Solve word problems involving masses given in the same unit.
Understand liquid volume as an attribute of objects that is measured in liters and milliliters. Develop benchmarks for 1 liter and 1 milliliter.
Estimate and measure liquid volume in liters and milliliters by reading the measurement scale on a beaker or other container.
Solve word problems involving volumes given in the same unit.
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