Solving Word Problems with Equations

The video covers lesson 7.10 on solving two-step problems using the 'act it out' strategy. It includes various examples such as calculating the cost of pens, determining the number of t-shirts per pack, and finding the initial number of model cars. The lesson emphasizes using addition, subtraction, and division to solve problems, and concludes with a preview of the next lesson on order of operations.

What is the essential question of the lesson?

• How can you use the strategy 'act it out' to solve two-step problems?

• What is the total cost of all items?

• What is the cost of a notebook?

• How many pages are in the textbook?

Madeleine bought two packs of pens and a notebook for $11. If the notebook costs $3, what is the cost of one pack of pens?

• $5

• $4

• $2

• $6

Chad bought four packs of t-shirts and gave five to his brother. Now he has 19 shirts. How many t-shirts were in each pack?

• 6

• 5

• 7

• 4

Mack bought four packs of toy cars and his friend gave him nine cars. Now Mack has 21 cars. How many cars were in each pack?

• 2

• 3

• 4

• 5

If Mack bought eight packs of cars and gave away three, now having 13 cars, how many cars were in each pack?

• 3

• 2

• 4

• 1

Ryan gave away seven model cars and then bought six more. Now he has 13 cars. How many cars did Ryan start with?

• 10

• 12

• 14

• 16

Chloe bought five sets of books and donated nine to her school. Now she has 26 books. How many books were in each set?

• 7

• 8

• 6

• 5

Rolo bought two packs of erasers and found two in his backpack. Now he has eight erasers. How many erasers were in each pack?

• 2

• 3

• 4

• 5

Hilda cuts a ribbon into two equal pieces and then cuts four inches off one piece, leaving it five inches long. What was the original length of the ribbon?

• 14 inches

• 16 inches

• 20 inches

• 18 inches

Rose saw a movie, shopped, and ate at a restaurant. She did not see the movie first and shopped right after eating. What was the order of activities?

• Shopped, Ate, Movie

• Ate, Movie, Shopped

• Movie, Ate, Shopped

• Ate, Shopped, Movie