Understanding Division by Decimals

The video tutorial explains how to solve the division of two by 0.4 using a number line. The instructor guides viewers through the process of making equal jumps of 4/10 from zero to two, demonstrating that five jumps are needed. This method helps visualize division and understand the concept of dividing into equal parts.

What is the main problem discussed in the video?

• Subtracting 0.4 from 2

• Adding 2 and 0.4

• Multiplying 2 by 0.4

• Dividing 2 by 0.4

Tags

CCSS.4.NBT.B.6

CCSS.5.NBT.B.6

What hint is given to help solve the division problem?

• Subtract 0.4 repeatedly from 2

• Think about multiplying by 10

• Consider the number line and jumps of 0.4

• Use a calculator

Tags

CCSS.2.MD.B.6

How many equal spaces are there between 0 and 1 on the number line?

• 15

• 5

• 20

• 10

Tags

CCSS.5.NBT.B.7

How many jumps of 0.4 are needed to reach 2 from 0?

• 5

• 6

• 4

• 3

Tags

CCSS.5.NBT.B.7

What does each jump of 0.4 represent on the number line?

• A step of 0.4

• A step of 0.2

• A step of 0.3

• A step of 0.1

Tags

CCSS.5.NBT.B.7

What is the result of dividing 2 by 0.4?

• 4

• 5

• 6

• 7

Tags

CCSS.5.NF.B.3

How can 2 be divided into equal chunks of 0.4?

• Into 3 equal chunks

• Into 4 equal chunks

• Into 5 equal chunks

• Into 6 equal chunks

Tags

CCSS.5.NBT.B.7

What is another way to think about dividing 2 by 0.4?

• As making 5 jumps of 0.4

• As making 4 jumps of 0.4

• As making 6 jumps of 0.4

• As making 3 jumps of 0.4

Tags

CCSS.2.MD.B.6

CCSS.1.NBT.C.4

What is the significance of the number line in this problem?

• It helps visualize subtraction

• It helps visualize addition

• It helps visualize division

• It helps visualize multiplication

Tags

CCSS.2.MD.B.6

CCSS.1.NBT.C.4