G7-Q2-Cmerencilla

"The Great Book Drive: Counting Gains and Losses"

          Mrs. Monserate’s class had a big goal: to collect books for a library in a small village where children had none. She told her students, “Every book you bring can open up a world for someone else.” The class got to work.

On Monday, the students brought in 15 books. They were excited to see the pile start growing. “This is going to make so many kids happy,” said Anna, one of the students.

On Tuesday, they collected 8 more books, but when sorting them, they found 3 books that were damaged and couldn’t be used. The class was a bit disappointed, but Mrs. Monserate reminded them, “Even small steps make a big difference.”

On Wednesday, a kind neighbor heard about their drive and donated 10 beautiful books. The students cheered and felt hopeful again.

On Thursday, while organizing the books, the students found 12 old ones that were too damaged to keep. It was hard to let them go, but they knew the library deserved the best.

Finally, on Friday, the class added 5 more books, bringing their week to a heartwarming close.

By the end of the week, the students stood proudly by their collection. Mrs. Monserate said, “You didn’t just bring books—you brought joy to children who’ve never had the chance to read like you do.” Her words made the students feel proud and grateful for the chance to make a difference.

How many books are available by the end of Friday?

• 21 books

• 23 books

• 25 books

• 27 books

"The Great Book Drive: Counting Gains and Losses"

          Mrs. Monserate’s class had a big goal: to collect books for a library in a small village where children had none. She told her students, “Every book you bring can open up a world for someone else.” The class got to work.

On Monday, the students brought in 15 books. They were excited to see the pile start growing. “This is going to make so many kids happy,” said Anna, one of the students.

On Tuesday, they collected 8 more books, but when sorting them, they found 3 books that were damaged and couldn’t be used. The class was a bit disappointed, but Mrs. Monserate reminded them, “Even small steps make a big difference.”

On Wednesday, a kind neighbor heard about their drive and donated 10 beautiful books. The students cheered and felt hopeful again.

On Thursday, while organizing the books, the students found 12 old ones that were too damaged to keep. It was hard to let them go, but they knew the library deserved the best.

Finally, on Friday, the class added 5 more books, bringing their week to a heartwarming close.

By the end of the week, the students stood proudly by their collection. Mrs. Monserate said, “You didn’t just bring books—you brought joy to children who’ve never had the chance to read like you do.” Her words made the students feel proud and grateful for the chance to make a difference.

How does the relationship between the gains and losses on Wednesday and Thursday affect the total number of books collected during the week?

 

• The gain on Wednesday completely offsets the loss on Thursday.

• The gain on Wednesday is greater than the loss on Thursday, contributing to the overall increase.

• The gain on Wednesday is smaller than the loss on Thursday, resulting in a net decrease.

• The gain on Wednesday and the loss on Thursday are equal, canceling each other out.

"The Great Book Drive: Counting Gains and Losses"

          Mrs. Monserate’s class had a big goal: to collect books for a library in a small village where children had none. She told her students, “Every book you bring can open up a world for someone else.” The class got to work.

On Monday, the students brought in 15 books. They were excited to see the pile start growing. “This is going to make so many kids happy,” said Anna, one of the students.

On Tuesday, they collected 8 more books, but when sorting them, they found 3 books that were damaged and couldn’t be used. The class was a bit disappointed, but Mrs. Monserate reminded them, “Even small steps make a big difference.”

On Wednesday, a kind neighbor heard about their drive and donated 10 beautiful books. The students cheered and felt hopeful again.

On Thursday, while organizing the books, the students found 12 old ones that were too damaged to keep. It was hard to let them go, but they knew the library deserved the best.

Finally, on Friday, the class added 5 more books, bringing their week to a heartwarming close.

By the end of the week, the students stood proudly by their collection. Mrs. Monserate said, “You didn’t just bring books—you brought joy to children who’ve never had the chance to read like you do.” Her words made the students feel proud and grateful for the chance to make a difference.

The students used stacks of 5 books to organize their donations. By Friday, they had the following totals:

• Monday to Wednesday: 33 usable books

• Thursday: 12 books removed as unusable

• Friday: 5 more usable books added

If the students want to ensure they donate only full stacks of books (5 books per stack), how many books will be left over after creating the maximum number of full stacks? How does removing the unusable books on Thursday affect their ability to create full stacks?

• 0 books left over; removing unusable books reduced the total stacks by 1.

• 3 books left over; removing unusable books allowed only full stacks to be donated.

• 1 book left over; removing unusable books made no difference in the total stacks.

• 2 books left over; removing unusable books reduced the total stacks by 2.

Waste Management

 

Puerto Princesa City, known as the cleanest city in the Philippines, has a waste management program that includes the collection of recyclable materials. In the first month, the city collects 20 tons of recyclable materials, but 4 tons of them are contaminated and cannot be recycled. In the second month, they collect 15 tons, but 2 tons are contaminated. In the third month, they collect -18 tons due to a mistake in recording, where they mistakenly counted negative tons of materials. The city needs to calculate the total amount of recyclable materials they can actually process after 3 months, accounting for the contaminated materials and the recording error.

What is the result of dividing −36 by 6?

• 6

• -6

• 30

• -30

Waste Management

 

Puerto Princesa City, known as the cleanest city in the Philippines, has a waste management program that includes the collection of recyclable materials. In the first month, the city collects 20 tons of recyclable materials, but 4 tons of them are contaminated and cannot be recycled. In the second month, they collect 15 tons, but 2 tons are contaminated. In the third month, they collect -18 tons due to a mistake in recording, where they mistakenly counted negative tons of materials. The city needs to calculate the total amount of recyclable materials they can actually process after 3 months, accounting for the contaminated materials and the recording error.

If Puerto Princesa City collects 20 tons of recyclable materials and 16 tons are NOT contaminated, what is the result of multiplying the contaminated materials by -1?

• -4

• 4

• 0

• 1

• Multiplication

• Division

• Group (Parenthesis)

• Subtraction

• Multiplication

• Division

• Group (Parenthesis)

• Subtraction

• 60

• 54

• 50

• 48

The Hiking Adventure

 

A group of friends, Maya, Alex, and Jordan, are on a hiking trip in the hills near their town. To track their progress, they use a number line to represent their positions relative to the starting point, which is marked as 0.

• Maya hikes 7 kilometers uphill from the starting point, represented by +7 on the number line.

• Alex, tired after a steep climb, decides to return 4 kilometers downhill, represented by −4 on the number line.

• Jordan mistakenly takes a wrong trail and ends up 6 kilometers downhill from the starting point, represented by −6 on the number line.

The friends want to figure out how far each of them is from the starting point, regardless of direction. To do this, they need to calculate the absolute value of their positions on the number line.

What is the absolute value of −6, representing Jordan’s position?

• -6

• 6

• 0

• 12

The Hiking Adventure

 

A group of friends, Maya, Alex, and Jordan, are on a hiking trip in the hills near their town. To track their progress, they use a number line to represent their positions relative to the starting point, which is marked as 0.

• Maya hikes 7 kilometers uphill from the starting point, represented by +7 on the number line.

• Alex, tired after a steep climb, decides to return 4 kilometers downhill, represented by −4 on the number line.

• Jordan mistakenly takes a wrong trail and ends up 6 kilometers downhill from the starting point, represented by −6 on the number line.

The friends want to figure out how far each of them is from the starting point, regardless of direction. To do this, they need to calculate the absolute value of their positions on the number line.

If all three friends decided to return to the starting point, how many total kilometers would they travel?

• 17

• 15

• 10

• 13