Open Up - Grade 7 - Mathematics - Unit 7 - Lesson 4 - Formative Library | Biblioteka

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M is a point on line segment KL. NM is a line segment. Select all the equations that represent the relationship between the measures of the angles in the figure.

7.G.5

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Which equation represents the relationship between the angles in the figure?

2b + 88 = 90

2b + 88 = 180

88 + b = 180

88 + b = 90

7.G.5

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Segments AB, EF, and intersect at point c, and angle ACD is a right angle. Find the value of .

7.G.5

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Select all the expressions that are the result of decreasing x by 80%.

7.G.5

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Andre is solving the equation 4(x+\frac{3}{2}) = 7. He says, “I can subtract \frac{3}{2} from each side to get 4x = \frac{11}{2} and then divide by 4 to get x =\frac{11}{8}.” Kiran says, “I think you made a mistake.”
How can Kiran know for sure that Andre’s solution is incorrect?

7.G.5

1

Andre is solving the equation 4(x+\frac{3}{2}) = 7. He says, “I can subtract \frac{3}{2} from each side to get 4x = \frac{11}{2} and then divide by 4 to get x =\frac{11}{8}.” Kiran says, “I think you made a mistake.”
Describe Andre’s error and explain how to correct his work.

7.G.5

1

Solve each equation.
\frac{1}{7}x + \frac{3}{4} = \frac{9}{8}.(Leave your answer as a fraction)

7.G.5

1

Solve each equation.
\frac{2}{3} + \frac{1}{5}x = \frac{5}{6}.(Leave as fraction)

7.G.5

1

Solve each equation.
\frac{3}{2} = \frac{4}{3}x + \frac{2}{3}.(Leave as fraction)

7.G.5

1

Solve each equation.
0.3x +7.9=9.1

7.G.5

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Solve each equation.
11.03x =8.78+0.02

7.G.5

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A train travels at a constant speed for a long distance.
Write the two constants of proportionality for the relationship between distance traveled and elapsed time.

7.G.5

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Open Up - Grade 7 - Mathematics - Unit 7 - Lesson 4

Open Up - Grade 7 - Mathematics - Unit 7 - Lesson 4

M is a point on line segment KL. NM is a line segment. Select all the equations that represent the relationship between the measures of the angles in the figure.

Which equation represents the relationship between the angles in the figure?

Segments AB, EF, and intersect at point c, and angle ACD is a right angle. Find the value of .

Select all the expressions that are the result of decreasing x by 80%.

Andre is solving the equation 4(x+\frac{3}{2}) = 7. He says, “I can subtract \frac{3}{2} from each side to get 4x = \frac{11}{2} and then divide by 4 to get x =\frac{11}{8}.” Kiran says, “I think you made a mistake.”How can Kiran know for sure that Andre’s solution is incorrect?

Andre is solving the equation 4(x+\frac{3}{2}) = 7. He says, “I can subtract \frac{3}{2} from each side to get 4x = \frac{11}{2} and then divide by 4 to get x =\frac{11}{8}.” Kiran says, “I think you made a mistake.”Describe Andre’s error and explain how to correct his work.

Solve each equation.\frac{1}{7}x + \frac{3}{4} = \frac{9}{8}.(Leave your answer as a fraction)

Solve each equation.\frac{2}{3} + \frac{1}{5}x = \frac{5}{6}.(Leave as fraction)

Solve each equation.\frac{3}{2} = \frac{4}{3}x + \frac{2}{3}.(Leave as fraction)

Solve each equation.0.3x +7.9=9.1

Solve each equation.11.03x =8.78+0.02

A train travels at a constant speed for a long distance. Write the two constants of proportionality for the relationship between distance traveled and elapsed time.

M is a point on line segment KL. NM is a line segment. Select all the equations that represent the relationship between the measures of the angles in the figure.

Which equation represents the relationship between the angles in the figure?

Segments AB, EF, and intersect at point c, and angle ACD is a right angle. Find the value of .

Select all the expressions that are the result of decreasing x by 80%.

Andre is solving the equation 4(x+\frac{3}{2}) = 7. He says, “I can subtract \frac{3}{2} from each side to get 4x = \frac{11}{2} and then divide by 4 to get x =\frac{11}{8}.” Kiran says, “I think you made a mistake.”How can Kiran know for sure that Andre’s solution is incorrect?

Andre is solving the equation 4(x+\frac{3}{2}) = 7. He says, “I can subtract \frac{3}{2} from each side to get 4x = \frac{11}{2} and then divide by 4 to get x =\frac{11}{8}.” Kiran says, “I think you made a mistake.”Describe Andre’s error and explain how to correct his work.

Solve each equation.\frac{1}{7}x + \frac{3}{4} = \frac{9}{8}.(Leave your answer as a fraction)

Solve each equation.\frac{2}{3} + \frac{1}{5}x = \frac{5}{6}.(Leave as fraction)

Solve each equation.\frac{3}{2} = \frac{4}{3}x + \frac{2}{3}.(Leave as fraction)

Solve each equation.0.3x +7.9=9.1

Solve each equation.11.03x =8.78+0.02

A train travels at a constant speed for a long distance. Write the two constants of proportionality for the relationship between distance traveled and elapsed time.

Andre is solving the equation 4(x+\frac{3}{2}) = 7. He says, “I can subtract \frac{3}{2} from each side to get 4x = \frac{11}{2} and then divide by 4 to get x =\frac{11}{8}.” Kiran says, “I think you made a mistake.”
How can Kiran know for sure that Andre’s solution is incorrect?

Andre is solving the equation 4(x+\frac{3}{2}) = 7. He says, “I can subtract \frac{3}{2} from each side to get 4x = \frac{11}{2} and then divide by 4 to get x =\frac{11}{8}.” Kiran says, “I think you made a mistake.”
Describe Andre’s error and explain how to correct his work.

Solve each equation.
\frac{1}{7}x + \frac{3}{4} = \frac{9}{8}.(Leave your answer as a fraction)

Solve each equation.
\frac{2}{3} + \frac{1}{5}x = \frac{5}{6}.(Leave as fraction)

Solve each equation.
\frac{3}{2} = \frac{4}{3}x + \frac{2}{3}.(Leave as fraction)

Solve each equation.
0.3x +7.9=9.1

Solve each equation.
11.03x =8.78+0.02

A train travels at a constant speed for a long distance.
Write the two constants of proportionality for the relationship between distance traveled and elapsed time.

Andre is solving the equation 4(x+\frac{3}{2}) = 7. He says, “I can subtract \frac{3}{2} from each side to get 4x = \frac{11}{2} and then divide by 4 to get x =\frac{11}{8}.” Kiran says, “I think you made a mistake.”
How can Kiran know for sure that Andre’s solution is incorrect?

Andre is solving the equation 4(x+\frac{3}{2}) = 7. He says, “I can subtract \frac{3}{2} from each side to get 4x = \frac{11}{2} and then divide by 4 to get x =\frac{11}{8}.” Kiran says, “I think you made a mistake.”
Describe Andre’s error and explain how to correct his work.

Solve each equation.
\frac{1}{7}x + \frac{3}{4} = \frac{9}{8}.(Leave your answer as a fraction)

Solve each equation.
\frac{2}{3} + \frac{1}{5}x = \frac{5}{6}.(Leave as fraction)

Solve each equation.
\frac{3}{2} = \frac{4}{3}x + \frac{2}{3}.(Leave as fraction)

Solve each equation.
0.3x +7.9=9.1

Solve each equation.
11.03x =8.78+0.02

A train travels at a constant speed for a long distance.
Write the two constants of proportionality for the relationship between distance traveled and elapsed time.