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Unit 3 Test Review 7.4d 7.4b 7.4e

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Mathematics

7th Grade

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Unit 3 Test Review 7.4d 7.4b 7.4e
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15 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

If a fish makes 480 dives in 10 hours, how do you calculate the number of dives in a different time frame?

Divide the total dives by the total time to find the rate and multiply by the new time frame.

Multiply the total dives by the total time to find the rate.

Add the total dives to the total time to find the rate.

Subtract the total dives from the total time to find the rate.

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

How do you set up a proportion to solve for an unknown quantity?

Set up a fraction that represents the known ratio and equate it to a fraction that represents the unknown ratio, then cross-multiply to solve.

Add the known quantity to the unknown quantity and divide by two.

Multiply the known quantity by the unknown quantity and set it equal to a constant.

Subtract the known quantity from the unknown quantity and solve for the unknown.

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

How can you find the total number of dives a fish makes in a specific time period?

Add the number of dives per hour to the number of hours.

Multiply the rate of dives per hour by the number of hours.

Divide the total time by the number of dives.

Subtract the number of hours from the rate of dives per hour.

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the formula to convert fluid ounces to milliliters?

Multiply the number of fluid ounces by 30 to get the equivalent in milliliters.

Divide the number of fluid ounces by 30 to get the equivalent in milliliters.

Add 30 to the number of fluid ounces to get the equivalent in milliliters.

Multiply the number of fluid ounces by 15 to get the equivalent in milliliters.

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the significance of understanding ratios in real-life applications?

It helps in making comparisons and solving problems related to proportions in various contexts, such as cooking, budgeting, and resource allocation.

It is primarily used in mathematical theories and has no practical application.

It simplifies complex equations without any real-world relevance.

It is only useful in academic settings and not in everyday life.

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

How do you determine the number of counselors needed for a different number of girls at a summer camp?

Use the ratio of counselors to girls and set up a proportion to solve for the number of counselors needed.

Count the number of girls and assign one counselor for every 10 girls.

Ask the current counselors how many more are needed based on their experience.

Increase the number of counselors by 50% for any additional girls.

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

How do you calculate the expected number of girls in a class based on a given ratio?

Use the ratio to find the fraction of the total that represents girls, then multiply that fraction by the total number of students.

Add the number of boys to the number of girls to find the total, then divide by the number of girls.

Multiply the total number of students by the ratio of boys to girls to find the number of girls.

Subtract the number of boys from the total number of students to find the number of girls.

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