Grade: 4 Subject: Math Unit: Multi-Digit Multiplication Lesson: 4 of 6 SAT: Algebra ACT: Math

Word Problems

Learn

Word problems help us apply multiplication to real-life situations. Learning to solve word problems is an important skill for the SAT and ACT, where math is often presented in context.

Steps to Solve Word Problems

  1. Read carefully: Understand what the problem is asking
  2. Identify the numbers: Find the quantities you need to multiply
  3. Look for keywords: Words like "each," "per," "every," and "total" often signal multiplication
  4. Set up the equation: Write out the multiplication problem
  5. Solve and check: Calculate the answer and make sure it makes sense

Common Multiplication Keywords

  • Each / Every / Per: "5 boxes with 24 items each" means 5 x 24
  • Times: "3 times as many" means multiply by 3
  • Total / In all: Often indicates you need to find a product
  • Groups of: "12 groups of 15" means 12 x 15

Examples

Example 1: School Supplies

Problem: A school ordered 35 boxes of pencils. Each box contains 48 pencils. How many pencils did the school order in total?

Solution:

  • Identify: 35 boxes, 48 pencils per box
  • Set up: 35 x 48
  • Calculate: 35 x 48 = 1,680

Answer: 1,680 pencils

Example 2: Movie Theater

Problem: A movie theater has 26 rows of seats. Each row has 32 seats. How many seats are in the theater?

Solution:

  • Identify: 26 rows, 32 seats per row
  • Set up: 26 x 32
  • Calculate: 26 x 32 = 832

Answer: 832 seats

Practice

Solve these word problems. Click on each question to reveal the answer.

Question 1: A bookstore received 18 boxes of books. Each box contains 24 books. How many books did the bookstore receive?

Answer: 432 books

Solution: 18 x 24 = 432. The bookstore received 432 books in total.

Question 2: A farmer plants 45 rows of corn. Each row has 36 corn plants. How many corn plants did the farmer plant?

Answer: 1,620 corn plants

Solution: 45 x 36 = 1,620. The farmer planted 1,620 corn plants.

Question 3: A parking garage has 15 levels. Each level can hold 125 cars. What is the total capacity of the parking garage?

Answer: 1,875 cars

Solution: 15 x 125 = 1,875. The garage can hold 1,875 cars.

Question 4: A bakery makes 28 batches of cookies per day. Each batch contains 36 cookies. How many cookies does the bakery make in one day?

Answer: 1,008 cookies

Solution: 28 x 36 = 1,008. The bakery makes 1,008 cookies per day.

Question 5: A school has 32 classrooms. Each classroom has 25 desks. How many desks are in the school?

Answer: 800 desks

Solution: 32 x 25 = 800. The school has 800 desks in total.

Question 6: A delivery truck makes 14 trips per week. Each trip covers 238 miles. How many miles does the truck travel in one week?

Answer: 3,332 miles

Solution: 14 x 238 = 3,332. The truck travels 3,332 miles per week.

Question 7: A company produces 156 widgets per hour. How many widgets does the company produce in a 24-hour day?

Answer: 3,744 widgets

Solution: 156 x 24 = 3,744. The company produces 3,744 widgets per day.

Question 8: An apartment building has 18 floors. Each floor has 12 apartments. How many apartments are in the building?

Answer: 216 apartments

Solution: 18 x 12 = 216. The building has 216 apartments.

Question 9: A concert hall has 52 rows of seats. Each row has 48 seats. How many people can the concert hall hold?

Answer: 2,496 people

Solution: 52 x 48 = 2,496. The concert hall can hold 2,496 people.

Question 10: A warehouse stores 175 pallets. Each pallet holds 64 boxes. How many boxes are stored in the warehouse?

Answer: 11,200 boxes

Solution: 175 x 64 = 11,200. The warehouse stores 11,200 boxes.

Check Your Understanding

Before moving on, make sure you can:

  • Identify multiplication word problems
  • Find the key numbers in a word problem
  • Recognize keywords that signal multiplication
  • Set up and solve multi-digit multiplication problems from word descriptions
  • Check that your answer makes sense in context

Next Steps

  • Review any concepts that felt challenging
  • Move on to the next lesson when ready
  • Return to practice problems periodically for review