Working - BB - 1 Lesson 3

Open Ended

Why is it important to understand the meaning of factors when learning multiplication and division?

Multiple Choice

Which of the following best describes what it means to add equal groups in multiplication?

• Putting the same number of objects into several groups and finding the total

• Adding different numbers together to get a sum

• Subtracting numbers from each other

• Dividing a number into unequal parts

Open Ended

How does skip counting by 2's differ from skip counting by 3's?

Multiple Choice

Which of the following is the correct sequence when skip counting by 3's, as shown in the song lyrics?

• 3, 6, 9, 12, 15, 18, 21, 24, 27, 30

• 3, 5, 7, 9, 11, 13, 15, 17, 19, 21

• 3, 6, 12, 15, 18, 21, 24, 27, 30

• 3, 9, 12, 15, 18, 21, 24, 27, 30

Multiple Choice

What multiplication sentence matches the addition sentence 5 + 5 + 5 = 15?

• 3 x 5 = 15

• 5 x 3 = 15

• 15 x 1 = 15

• 1 x 15 = 15

Multiple Choice

How many groups are circled in the first image, and how many are in each group?

• 3 groups, 4 in each group

• 4 groups, 3 in each group

• 2 groups, 6 in each group

• 6 groups, 2 in each group

Multiple Select

Which of the following are correct multiplication sentences for the groups shown in the second image?

• 7 x 2 = 14

• 2 x 7 = 14

• 7 x 3 = 21

• 2 x 8 = 16

Open Ended

Explain how you can use addition to solve a multiplication problem, using examples from the images.

Multiple Choice

Which of the following best describes the relationship between addition and multiplication as shown in the first two images?

• Addition is repeated to form multiplication.

• Multiplication is repeated to form addition.

• Addition and multiplication are unrelated.

• Multiplication is used only for groups of 10.

Multiple Choice

What is the purpose of sorting into 4 equal groups in the opening activity?

• To practice making equal groups, a key concept in multiplication.

• To make the classroom quieter.

• To prepare for a science experiment.

• To choose teams for a game.

Multiple Choice

What do we call the numbers in a multiplication equation like 4 x 5 = 20?

• Factors

• Multiples

• Products

• Divisors

Multiple Choice

Looking at the array of squares and the multiplication equation 4 x __, what is the size of each group?

• 4

• 5

• 6

• 8

Open Ended

How does the array model help you understand the multiplication equation 4 x 5?

Multiple Choice

What multiplication equation matches the number bond shown in the diagram?

• 6 x 3 = 18

• 3 x 6 = 18

• 7 x 3 = 21

• 5 x 3 = 15

Multiple Select

In the multiplication equation 4 x 8 = 32, which number represents the number of groups and which represents the size of each group?

• 4 is number of groups, 8 is size of each group

• 8 is number of groups, 4 is size of each group

• 32 is number of groups, 4 is size of each group

• 8 is number of groups, 32 is size of each group

Multiple Select

Which of the following are true about the multiplication equation 4 x 3 = 12?

• 4 is the number of groups

• 3 is the product

• 12 is the product

• 3 is the size of each group

Open Ended

Explain how you can use the factors in a multiplication equation to find the product. Use the example 4 x 3 = 12 in your explanation.

Open Ended

How does adding equal groups help you understand multiplication?

Open Ended

What does it mean to interpret the meaning of factors in multiplication?