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OAT Lesson 3: More Factors, More Problems

Last updated over 2 years ago
19 questions
Develop Understanding
Today's Learning Goal: (G3, U1, L15)
  • Solve multiplication problems.
Today's Materials:
  • Laptop
  • Laptop charger
  • Pen/Pencil/Paper/Expo Marker (optional)
Please complete the Jump Start (activator). You have 5 minutes before we review. This is independent it should be silent.
Reminders:
1. Ready for class
2. No cellphones
3. Volume must be low.
4. Read and follow all directions
5.) Take your bag off and immediately begin the Activator.

JUMP START: Number Talk: Tens - ( 5min)

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Launch: - (10 min)

I do (question 5)

We do (question 6)

You do (question 7)

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Create an equation for the problems below. Then solve the equation.

There are 6 flowers. Each flower has 5 petals. How many petals are there?

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There are 6 basketball teams in the gym. There are 5 people on each team. How many people are on the basketball teams in the gym?

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There are 50 petals on some flowers. Each flower has 5 petals. How many flowers are there?

Activity 1: Represent Situations with Equations - (10 min)


For each problem:

  • Write an equation with a symbol for the unknown to represent the situation.
  • Find the number that makes the equation true. Show your reasoning.
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There are 15 plates. Han placed 5 plates on each table. How many tables have plates on them?
(Write an equation and solution.)

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Lin made 6 sandwiches. She used 2 slices of bread for each sandwich. How many pieces of bread did she use?
(Write an Equation and solution)

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Han has 60 ice cubes. The ice cubes are in trays of 10. How many trays of ice cubes does Han have?
(Write an Equation and solution)

Activity 2: Multiplication Mashup - (15 min)

Solve each problem. Explain or show your reasoning.

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Clare has 16 socks. She puts them in piles of 2. How many piles can she make?

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Diego has 8 piles of socks. Each pile of socks has 2 socks. How many socks does Diego have?

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Andre has 16 socks. He puts them in 8 groups that are the same size. How many socks are in each group.

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The store has 9 boxes. Each box has 5 shirts. How many shirts are there?

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A store has 80 sweaters. There are 8 sweaters in each pile on a shelf. How many piles of sweaters are on the shelf?

Lesson Synthesis: - (5 min)

Today we solved multiplication problems using any strategy or representation that we wanted.

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What strategy or representation do you find most helpful when you are solving these types of problems? Why?

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What are the most important things to remember when you are solving multiplication problems?

Cool Down: - (5 min)

Solve each problem. Explain or show your reasoning.

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There are 4 boxes. Each box has 10 toys. How many toys are there?

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Elena has 10 socks. She puts them in piles of 2. How many piles does she make?

Closure Questions:

  • How do you feel about this material?
  • Name the components: 3 x 5 = 15
  • How are expressions and equations the same? How are they different
  • Name the four representations:
  • Name the components: