Ratios, Rates, and Proportions

Ratios, Rates, and Proportions

Assessment

Interactive Video

Mathematics

6th - 7th Grade

Hard

Created by

Thomas White

FREE Resource

This video tutorial covers the concept of equivalent ratios through various practical examples. It begins with Priya's penny problem, calculating the number of pennies based on their mass. Kieran's reading time is analyzed to determine how long it takes to read a certain number of pages. Mai's pizza cheese calculation demonstrates how to find the amount of cheese needed for different numbers of pizzas. Claire's earnings are calculated to find out how long it takes her to earn a specific amount. The video also compares car speeds over different time intervals and explains Lynn's juice blend ratios. Finally, it provides a detailed explanation of equivalent ratios using various numerical examples.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If Priya collected 2400 grams of pennies, and each penny weighs 2.5 grams, how many pennies did she collect?

1200

1000

1500

960

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Kieran reads 5 pages in 20 minutes. How long will it take him to read 11 pages?

44 minutes

40 minutes

50 minutes

55 minutes

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mai uses 10 ounces of cheese for 4 pizzas. How much cheese is needed for 15 pizzas?

50 ounces

45 ounces

40 ounces

37.5 ounces

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Claire earns $18 per hour. How many seconds does it take her to earn 25 cents?

50 seconds

60 seconds

75 seconds

100 seconds

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A car travels 20 miles in half an hour. How far will it travel in 3/4 of an hour at the same speed?

35 miles

25 miles

40 miles

30 miles

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the equivalent ratio of 60 to 45?

3 to 2

2 to 1

5 to 4

4 to 3

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a juice blend has a ratio of 3 parts cranberry to 7 parts apple, what is the ratio for a larger batch with 12 parts cranberry?

28 parts apple

24 parts apple

30 parts apple

35 parts apple

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