Compare Lengths by Subtracting

Applied MP

MPs * Embedded MP

Procedural Lesson Grade 2 · Unit 11· Lesson 15

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MC: 2.MD.4

Problem of the Day Objective: Today I will determine the

objects

Vocabulary

of two .

Notes

Difference in length: how much longer or how much shorter one object is than the other

Standard (Customary) Units of Measurement: inch = thumb knuckle length foot = 12 inches yard = 3 feet (36 inches) Metric Units of Measurement: one centimeter = width of pinky 25 centimeters = one ruler one meter = four rulers (100 cm)

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Grade 2 Unit 11 Lesson 15 P SJ

Structured Guided Practice (A / B Partners Practice)

Directions: Solve the problems.

1. Measure to find the difference in the length of the caterpillar and the snail.

The

is

cm longer than the

.

The

is

cm shorter than the

.

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Grade 2 Unit 11 Lesson 15 P SJ

Structured Guided Practice (A / B Partners Practice)

Directions: Solve the problems.

2. My dollar bill is 6 inches long. My football is 11 inches long. Which one is longer? How much longer is it?

The

is

inches longer than the

.

The

is

inches shorter than the

.

 MP6: What do you need to do to ensure your answers are correct when measuring?  MP7: What concepts or rules help you determine how to measure each length?

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Grade 2 Unit 11 Lesson 15 P SJ

Final Check for Understanding (A / B Partners Practice)

Directions: Solve the problems.

1. The fish is 4 feet long. The shark measures 12 feet long. Which one is longer? How much longer is it?

The

is

feet longer than the

.

The

is

feet shorter than the

.

2. Measure to find the difference in the length of the watch and eye.

The

is

centimeters longer than the

.

The

is

centimeters shorter than the

.

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Grade 2 Unit 11 Lesson 15 P SJ

Student Practice Unit 11 Lesson 15: Compare Lengths by Subtracting

Name: ____________________________

Directions: Solve.

Date: ______________________________

1. Measure to find the difference in length of the marker and paintbrush.

The

is

inches longer than the

.

The

is

inches shorter than the

.

2. David kicked the soccer ball 150 yards. Jim kicked the soccer ball 200 yards. Who kicked the soccer ball further? How much further?

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kicked the ball

yards longer than the

.

kicked the ball

yards shorter than the

.

Grade 2 Unit 11 Lesson 15 P SJ

Student Practice Unit 11 Lesson 15: Compare Lengths by Subtracting Directions: Solve.

3. Measure to find the difference in length of the American flag and the California flag.

The

is

inches longer than the

.

The

is

inches shorter than the

.

4. Measure to find the difference in height of the cactus plant and cactus.

The

is

centimeters taller than the

.

The

is

centimeters shorter than the

.

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Grade 2 Unit 11 Lesson 15 P SJ

Student Practice Unit 11 Lesson 15: Compare Lengths by Subtracting Directions: Solve.

5. The branch is 33 centimeters long. The chameleon is 28 centimeters long. Which one is longer? How much longer is it?

The

is

centimeters longer than the

.

The

is

centimeters shorter than the

.

6. The hummingbird is 4 inches long. The eagle is 40 inches long. Which one is longer? How much longer is it?

The

is

inches longer than the

.

The

is

inches shorter than the

.

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Grade 2 Unit 11 Lesson 15 P SJ

Challenge Problems

1. Sandi hiked 24 miles. Sheila hiked 6 less miles than Sandi. How many miles did Sheila hike?

2. Alan hit the baseball 100 yards. The next game Ty hit the ball 25 yards shorter than Alan. How many yards did Ty hit the ball?

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Grade 2 Unit 11 Lesson 15 P SJ

Closure

Extension

*MP4: How can you relate this to something in real life?

Find 2 objects in the classroom to measure and find the difference in their length.

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Grade 2 Unit 11 Lesson 15 P SJ

Closure

Reaching Consensus

*MP3: Do you agree/disagree with what

said?

Student Presentations

*MP6: How do you know your answers are correct/reasonable?

Closure Recap today’s lesson with one or more of the following MP questions:

 MP5: What tool did you use to help solve the problem?  MP6: What did you need to do to ensure your answers were correct when measuring?  MP7: What concepts or rules helped you determine how to measure each length?

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Grade 2 Unit 11 Lesson 15 P SJ