GOAL - to finds a missing term in a proportion (direct, inverse, and partitive) M6NS-Ilb-133 to solve problems involving direct proportion, partitive proportion, and inverse proportion in different contexts such as distance, rate, and time using appropriate strategies and tools. M6NS-Ilc-134
TASK : You will create a short instructional text on how to solve proportion problems.
SITUATION - You want to help your classmates to solve proportion problems. You want to post instructional text on how to solve the following word problems involving direct proportion, partitive proportion, and inverse proportion.
1. On a map, two cities are 6 inches apart. If 2 inches on the map represents 25 kilometers, how far apart are the cities?
2. It takes 4 men 6 hours to repair a road. How long will it take 8 men to do the job if they work at the same rate?
3. In a class of 40, the ratio of boys to girls is 3:5. How many are girls? How many are boys?
PRODUCT - One short instructional text that shows how to solve proportion problems correctly
TASK : You will create a short instructional text on how to solve proportion problems.
SITUATION - You want to help your classmates to solve proportion problems. You want to post instructional text on how to solve the following word problems involving direct proportion, partitive proportion, and inverse proportion.
1. On a map, two cities are 6 inches apart. If 2 inches on the map represents 25 kilometers, how far apart are the cities?
2. It takes 4 men 6 hours to repair a road. How long will it take 8 men to do the job if they work at the same rate?
3. In a class of 40, the ratio of boys to girls is 3:5. How many are girls? How many are boys?
PRODUCT - One short instructional text that shows how to solve proportion problems correctly
Answers & Comments
Answer:
1. The cities are 75 kilometers apart.
2. 8 men can do the job in 3 hours.
Step-by-step explanation:
1. 6 in = ?
2 in = 25 km
6 ÷ 2 = 3
3 × 25 = 75 kilometers
2. 4 men = 6 hrs
8 men = 3 hrs
4 × 6 = 24
24 ÷ 8 = 3 hours