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Unit 7, Lesson 17

Develop estimation strategies by applying prior knowledge of length and using mental benchmarks

EngageNY 60 min(s)

In this lesson, students find the total value of a group of coins in the context of simple addition and subtraction word-problem types with the result unknown.

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Other lessons from Unit 7 in Grade 2 by EngageNY

Previous Lesson

Unit 7, Lesson 16

Measure various objects using inch rulers and yardsticks

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Next Lesson

Unit 7, Lesson 18

Measure an object twice using different length units and compare; relate measurement to...

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Unit 2, Lesson 4

Measure various objects using centimeter rulers and meter sticks

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Develop estimation strategies by applying prior knowledge of length and using mental be...

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1 Content Standard is aligned with this lesson

2.MD.A.3

Major StandardsSupporting StandardsAdditional Standards

Standard 2.MD.A.3

Estimate lengths using units of inches, feet, centimeters, and meters.

Part of Major Cluster 2.MD.A

1 Math Practice Standard is aligned with this lesson

Standard MP.6

Attend to precision.

Prerequisites for 2.MD.A.3

2nd Grade

2.MD.A.1

Measure the length of an object by selecting and using appropriate tools such as rulers, yardsticks, meter sticks, and measuring tapes.

Upcoming Standards for 2.MD.A.3

2nd Grade

2.MD.A.2

Measure the length of an object twice, using length units of different lengths for the two measurements; describe how the two measurements relate to the size of the unit chosen.

2.MD.A.4

Measure to determine how much longer one object is than another, expressing the length difference in terms of a standard length unit.

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