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4th Grade · Math · 4.NBT.B.5

Multiplication Lesson Plan for 4th Grade

A ready-to-teach multiplication lesson for 4th Grade, built around multi-digit multiplication, standard algorithm, area models, word problems. Print the plan, print the practice pages, and you are set.

Approximately 45 minutes

Learning objective

  • Apply the associative property to regroup factors in multiplication
  • Recognize that changing grouping does not change the product
  • Use associative grouping to simplify multi-factor multiplication problems

Materials

Lesson steps

  1. 1. Warm up together (5 min)

    Open with a quick count-around or number talk that touches multiplication. Ask students where they have seen multiplication outside of math class. You are listening for who already has the vocabulary and who does not, so keep it light and let several students answer.

  2. 2. Model it (I do) (10 min)

    Work two examples of multiplication on the board, thinking out loud the whole way. Say the quiet parts: what you notice first, which step you do next, and why. Deliberately make one small error on the second example and let the class catch it.

  3. 3. Practice together (we do) (10 min)

    Work three more problems as a class. Ask a different student to supply each step rather than the whole answer. If a step stalls, drop back to concrete objects or a drawing before moving on.

  4. 4. Independent practice (you do) (15 min)

    Hand out "Associative property - Boxes". Students work independently while you circulate. Note who is fluent, who is counting on fingers, and who has not started, because that grouping drives tomorrow's small group.

  5. 5. Close the loop (5 min)

    Pull the class back. Ask one student to explain a problem they got right and one to name something that is still confusing. End on the confusion, not the success, so students learn that naming a gap is normal.

Check for understanding

Collect the practice pages and sort them into three piles: fluent, developing, and not yet. Any student in the third pile needs multiplication retaught in a small group before the class moves on.

Differentiation

Extra support. Students who stall: pull them into a small group and rebuild multiplication with concrete materials or a simpler text before asking for the written work again. Do not send the page home as homework, it will just rehearse the misunderstanding.

Extension. Students who finish early: ask them to write their own multiplication problem for a partner to solve, then check the partner's work. Creating a problem is harder than solving one and it surfaces whether they really understand multiplication.

Skills covered in this lesson

Associative property · Commutative property · Multiplication · Properties of multiplication · Two-digit multiplication · Multi-digit multiplication · One-digit multiplication · Multiplication facts

Practice pages for this lesson

6 items, 6 printable pages that match the independent-practice step.

Questions teachers ask about teaching multiplication

What multiplication skills should fourth graders have?
Fourth graders should multiply a whole number of up to four digits by a one-digit whole number and multiply two two-digit numbers using strategies based on place value and the properties of operations (CCSS 4.NBT.B.5). They should understand multiplication as an area model and connect partial products to the standard algorithm. Students should also multiply fractions by whole numbers and apply multiplication to solve multi-step word problems. Worksheets that progress from one-digit-by-multi-digit problems to two-digit-by-two-digit problems, using both the area model and the standard algorithm, help students build understanding alongside procedural fluency. Estimation of products using rounding should accompany exact computation to develop the habit of checking reasonableness.
How do you teach two-digit by two-digit multiplication?
Start with the area model: draw a rectangle divided into four sections representing the tens and ones of each factor. For 23 times 15, the sections show 20 times 10, 20 times 5, 3 times 10, and 3 times 5. Add the four partial products (200 plus 100 plus 30 plus 15 equals 345). Then show how the standard algorithm performs the same calculation in a more compact format. Worksheets that display the area model next to the standard algorithm for the same problem help children see that each step in the algorithm corresponds to a section of the rectangle. This connection between the visual model and the procedure builds understanding that lasts, rather than rote memorization of steps that are easily forgotten.
Why is the area model important for learning multiplication?
The area model represents multiplication as the area of a rectangle, making the distributive property visible. It shows exactly what each partial product represents and why you cannot simply multiply the ones digits and tens digits separately. This visual representation prevents the common error of multiplying 23 times 15 as 2 times 1 followed by 3 times 5. The area model also connects to real-world applications (finding the area of a room) and previews algebra (multiplying binomials). Worksheets that guide students through the area model with grid-based drawings, then transition to the open area model without grid lines, then to the standard algorithm, create a progression from visual understanding to efficient computation that many math programs now recommend.

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