Decimal Multiplication Quiz

What is the featured animal of the day in the video?

• An armadillo

• A cat

• A dog

• A parrot

What is the main topic of the lesson introduced in the video?

• Whole number subtraction

• Decimal multiplication

• Decimal division

• Fraction addition

In Charlene's journey problem, what fraction of the distance does she ride her bike?

• 7/10 of the distance

• 8/10 of the distance

• 9/10 of the distance

• 5/10 of the distance

Why do we multiply instead of add in Charlene's journey problem?

• Because we are finding a part of a part

• Because addition is not allowed

• Because multiplication is easier

• Because the distance is unknown

What does each column in the 10x10 grid represent?

• 1/100

• 1/5

• 1/10

• 1/20

How many squares are shaded twice in the grid model for Charlene's journey?

• 56

• 72

• 64

• 49

Why is the product of decimal multiplication less than the factors?

• Because the grid is too small

• Because multiplication reduces numbers

• Because we are finding a part of a part

• Because decimals are always less than one

What mathematical practice is discussed in relation to repeated reasoning?

• Mathematical Practice 3

• Mathematical Practice 8

• Mathematical Practice 5

• Mathematical Practice 1

When multiplying decimals greater than one, what is the product of 3/10 and 1.4?

• 0.42

• 0.30

• 0.14

• 0.56

Why is the product of 3/10 and 1.4 less than 1.4 but greater than 3/10?

• Because multiplication always increases the number

• Because 3/10 is larger

• Because we are finding a part of 1.4

• Because 1.4 is a whole number