Exploring Grade 7 Unit 4 Lesson 1 Concepts

What is the main focus of this unit?

• Proportional relationships and percentages

• Algebraic equations

• Geometry and shapes

• Statistics and probability

Tags

CCSS.8.EE.C.7B

Which of the following pairs of rectangles are scaled versions of each other?

• 2x4 and 3x6

• 2x4 and 2x6

• 3x6 and 2x6

• 2x4 and 2x2

Tags

CCSS.7.RP.A.2A

What is the scale factor between a 2x4 rectangle and a 3x6 rectangle?

• 3/2

• 2/3

• 4/3

• 1/2

Which shapes are always scaled versions of each other?

• Rectangles

• Circles

• Squares

• Triangles

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

What is the scale factor from triangle A to triangle B if A has a height of 4 and a base of 6, and B has a height of 2 and a base of 3?

• 1/3

• 3/2

• 2/3

• 1/2

Tags

CCSS.7.G.A.1

If a classroom flag is 1/4 the size of a standard 19x10 feet flag, what is the length of the union?

• 1.90 feet

• 2.34 feet

• 3.45 feet

• 4.56 feet

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

What percentage of the flag is taken up by the union if the flag is 19x10 feet and the union is 7 5/8 by 5 3/8 feet?

• 15.5%

• 25.3%

• 21.57%

• 30.2%

What percentage of the flag is red if the flag is 19x10 feet and the union is 41 square feet?

• 30%

• 35%

• 40%

• 42%

Tags

CCSS.6.RP.A.3C

Is the ratio of the length to width of the largest flag in the world (225x505 feet) equivalent to 1:1.9?

• No

• Only if the flag is square

• Only if the flag is rectangular

• Yes

Tags

CCSS.6.RP.A.3A

If a scale model of a modern train is created with a scale of 1:48 and the model's height is 102 millimeters, what is the actual height of the train?

• 5.102 meters

• 7.308 meters

• 4.896 meters

• 6.204 meters

Tags

CCSS.7.G.A.1