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Multiply By 3s & 6s

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Lesson Plan

Multiply By 3s & 6s Lesson Plan

Students will be able to solve one-step multiplication word problems involving 3s and 6s by identifying key multiplication words.

Understanding how to solve word problems is a crucial life skill. It helps us apply math to real-world situations, from budgeting to sharing fairly, making you a super problem-solver!

Audience

4th Grade Students

Time

30 minutes

Approach

Through direct instruction, guided practice, and independent application.

Materials

Multiply By 3s & 6s Slide Deck, Multiply By 3s & 6s Worksheet, and Multiply By 3s & 6s Answer Key

Prep

Teacher Preparation

15 minutes

Step 1

Introduction: What's the 'Key' to Word Problems?

5 minutes

  • Begin with Slide 1 of the Multiply By 3s & 6s Slide Deck.
    - Engage students with the question: "Why is it important to know how to solve word problems?"
    - Transition to Slide 2 to introduce multiplication keywords like 'times,' 'each,' 'groups of,' 'total,' and 'product.'
    - Discuss how these words are clues that tell us to multiply.

Step 2

Guided Practice: Cracking the Code

10 minutes

  • Move to Slide 3 of the Multiply By 3s & 6s Slide Deck.
    - Work through the example problem together, identifying the keyword and the numbers to multiply (focusing on 3s and 6s).
    - Use Slide 4 for another example, encouraging students to identify keywords and set up the problem before solving it as a class.
    - Emphasize the importance of showing their work.

Step 3

Independent Practice: Your Turn to Solve!

10 minutes

  • Distribute the Multiply By 3s & 6s Worksheet to each student.
    - Explain that students will work independently to solve the one-step multiplication word problems.
    - Remind them to look for keywords and to show their multiplication work clearly.
    - Circulate the room to provide support and answer questions.

Step 4

Wrap-Up & Review

5 minutes

  • Bring the class back together.
    - Briefly review one or two problems from the Multiply By 3s & 6s Worksheet using the Multiply By 3s & 6s Answer Key.
    - Ask students to share a keyword they learned today that helps them identify multiplication problems.
    - Conclude by reinforcing that practice makes them stronger problem-solvers!
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Slide Deck

Unlocking Word Problems: Multiplication Keywords

Why is it important to know how to solve word problems? 🤔

Welcome students and introduce the topic of solving word problems. Ask a warm-up question to get them thinking about the importance of word problems.

Look for the Clues!

Keywords for Multiplication:

  • times (e.g., "3 times as many")
  • each (e.g., "6 cookies in each box")
  • groups of (e.g., "4 groups of 3 students")
  • total (when finding the total amount from equal groups)
  • product (the answer to a multiplication problem)

Introduce common keywords that signal multiplication. Provide a brief explanation for each.

Example 1: Cookies for the Party!

Sarah baked 3 batches of cookies. If each batch has 12 cookies, how many cookies did Sarah bake in total?

Keyword: _________

Numbers: _________ and _________

Equation: _________ x _________ = _________

Answer: _________ cookies

Present the first example. Guide students to identify the keyword, the numbers, and how to set up the multiplication problem.

Example 2: A Garden of Roses

Mr. Lee planted 6 rows of rose bushes. There are 7 rose bushes in each row. What is the total number of rose bushes Mr. Lee planted?

Keyword: _________

Numbers: _________ and _________

Equation: _________ x _________ = _________

Answer: _________ rose bushes

Present a second example. Encourage students to participate more in identifying the keyword and solving the problem.

Your Turn! Time to Practice!

Now it's your turn to solve some multiplication word problems!

Remember to:

  • Read carefully.
  • Look for keywords.
  • Show your work.
  • Use your knowledge of multiplying by 3s and 6s!

Transition to the independent practice. Remind students of the worksheet and what they need to do.

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Worksheet

Multiply By 3s & 6s: Word Problem Challenge!

Instructions: Read each word problem carefully. Underline the multiplication keywords, write down the multiplication equation, and then solve the problem. Show your work!

  1. Maya has 3 baskets. Each basket has 7 apples. How many apples does Maya have in total?

    Keyword(s): _____________________

    Equation:


    Answer:


  1. A baker made 6 batches of cookies. If there are 8 cookies in each batch, how many cookies did the baker make altogether?

    Keyword(s): _____________________

    Equation:


    Answer:


  1. There are 5 groups of students. Each group has 3 students. What is the product of the number of groups and the number of students in each group?

    Keyword(s): _____________________

    Equation:


    Answer:


  1. A factory produces 6 toy cars every hour. If the factory works for 4 hours, what is the total number of toy cars produced?

    Keyword(s): _____________________

    Equation:


    Answer:


  1. Lily bought 3 packs of stickers. Each pack contains 9 stickers. How many stickers did Lily buy in all?

    Keyword(s): _____________________

    Equation:


    Answer:


  1. A farmer planted 6 rows of corn. There are 10 corn stalks in each row. How many corn stalks did the farmer plant?

    Keyword(s): _____________________

    Equation:


    Answer:


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Answer Key

Multiply By 3s & 6s: Answer Key

Here are the solutions and steps for the word problems on the Multiply By 3s & 6s Worksheet.

  1. Maya has 3 baskets. Each basket has 7 apples. How many apples does Maya have in total?

    Keyword(s): Each, in total

    Equation: 3 x 7 = 21

    Answer: Maya has 21 apples in total.

    Thought Process: The word "each" tells us that for every basket, there are 7 apples. "In total" means we are looking for the sum of all apples. Since we have equal groups, multiplication is the correct operation.

  1. A baker made 6 batches of cookies. If there are 8 cookies in each batch, how many cookies did the baker make altogether?

    Keyword(s): Each, altogether

    Equation: 6 x 8 = 48

    Answer: The baker made 48 cookies altogether.

    Thought Process: Similar to the first problem, "each" indicates equal groups. "Altogether" asks for the total quantity, pointing to multiplication.

  1. There are 5 groups of students. Each group has 3 students. What is the product of the number of groups and the number of students in each group?

    Keyword(s): Groups of, Each, product

    Equation: 5 x 3 = 15

    Answer: The product is 15 students.

    Thought Process: "Groups of" and "each" are clear indicators of multiplication. The word "product" directly states the operation to use.

  1. A factory produces 6 toy cars every hour. If the factory works for 4 hours, what is the total number of toy cars produced?

    Keyword(s): Every, total

    Equation: 6 x 4 = 24

    Answer: The factory produced 24 toy cars.

    Thought Process: "Every hour" suggests a consistent rate for each hour. Finding the "total" for multiple equal intervals means multiplication.

  1. Lily bought 3 packs of stickers. Each pack contains 9 stickers. How many stickers did Lily buy in all?

    Keyword(s): Each, in all

    Equation: 3 x 9 = 27

    Answer: Lily bought 27 stickers in all.

    Thought Process: Again, "each" indicates equal groups. "In all" is another way of asking for the total, which is found by multiplying.

  1. A farmer planted 6 rows of corn. There are 10 corn stalks in each row. How many corn stalks did the farmer plant?

    Keyword(s): Each

    Equation: 6 x 10 = 60

    Answer: The farmer planted 60 corn stalks.

    Thought Process: "Each row" clearly shows that there are equal groups of corn stalks. To find the total, we multiply the number of rows by the number of stalks per row.

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