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K-5 Grade 5 Unit 3 Lesson 2

Gradeband

•K-5 Math 6-8 Math 9-12 Math

Course

Kindergarten Grade 1 Grade 2 Grade 3 Grade 4 •Grade 5

Unit

Unit 1 Unit 2 •Unit 3 Unit 4 Unit 5 Unit 6 Unit 7 Unit 8

Lesson

Lesson 1 •Lesson 2 Lesson 3 Lesson 4 Lesson 5 Lesson 6 Lesson 7 Lesson 8 Lesson 9 Lesson 10 Lesson 11 Lesson 12 Lesson 13 Lesson 14 Lesson 15 Lesson 16 Lesson 17 Lesson 18 Lesson 19 Lesson 20

K-5
6-8
9-12

Kindergarten
Grade 1
Grade 2
Grade 3
Grade 4
Grade 5

Unit 1
Unit 2
Unit 3
Unit 4
Unit 5
Unit 6
Unit 7
Unit 8

Lesson 1
Lesson 2
Lesson 3
Lesson 4
Lesson 5
Lesson 6
Lesson 7
Lesson 8
Lesson 9
Lesson 10
Lesson 11
Lesson 12
Lesson 13
Lesson 14
Lesson 15
Lesson 16
Lesson 17
Lesson 18
Lesson 19
Lesson 20

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Lesson 2

Warm-up Activity 1 Activity 2

Unit 3, Lesson 2

Represent Unit Fraction Multiplication

Grade 5

Warm-up

Which Three Go Together: Diagrams

Which 3 go together?

Square, length and width, 1. Partitioned into 3 rows of 2 of the same size rectangles. 2 rectangles shaded light blue. 1 rectangle shaded dark blue. — A

Diagram. Square, length and width, 1. Partitioned into 5 rows of 2 of the same size rectangles. 1 rectangle shaded. — B

Diagram. Square. Length and width, 1. Partitioned horizontally into 6<span> of the same size rectangles. 1 rectangle shaded.</span> — C

Diagram. Square, length and width, 1. Partitioned vertically in half. Left half partitioned horizontally into 3 equal rectangles. 1 rectangle shaded. — D

Activity 1

Interpret Diagrams

Show of the square.
Shade of of the square.
How much of the whole square is shaded?
Show of the square.
Shade of of the square.
How much of the whole square is shaded?
How are the diagrams alike? How are they different?

Activity 2

Write an Expression

Priya shaded part of a square.

How does the expression represent the area of the shaded part? Explain or show your reasoning.
How does the expression represent the area of the shaded part? Explain or show your reasoning.
Write a multiplication expression to represent the area of the shaded piece. Explain or show your reasoning.
How much of the whole square is shaded?

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Standards Alignment

Building On

Addressing

5.NF.4.a

Interpret the product (a/b) × q as a parts of a partition of q into b equal parts; equivalently, as the result of a sequence of operations a × q ÷ b. For example, use a visual fraction model to show (2/3) × 4 = 8/3, and create a story context for this equation. Do the same with (2/3) × (4/5) = 8/15. (In general, (a/b) × (c/d) = ac/bd.)

View Full Standard

Building Toward

Standards Alignment

Building On

Addressing

5.NF.4.a

Interpret the product (a/b) × q as a parts of a partition of q into b equal parts; equivalently, as the result of a sequence of operations a × q ÷ b. For example, use a visual fraction model to show (2/3) × 4 = 8/3, and create a story context for this equation. Do the same with (2/3) × (4/5) = 8/15. (In general, (a/b) × (c/d) = ac/bd.)

View Full Standard

Building Toward

Standards Alignment

Building On

Addressing

5.NF.4.a

Interpret the product (a/b) × q as a parts of a partition of q into b equal parts; equivalently, as the result of a sequence of operations a × q ÷ b. For example, use a visual fraction model to show (2/3) × 4 = 8/3, and create a story context for this equation. Do the same with (2/3) × (4/5) = 8/15. (In general, (a/b) × (c/d) = ac/bd.)

View Full Standard

Building Toward