Dividing Whole Numbers by Fractions on a Number Line

What is the first step in dividing whole numbers by fractions using a number line?

• Drawing a number line from 0 to the dividend

• Dividing the number line into halves

• Counting groups of the divisor

• Placing a point at zero

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Why do we divide each whole number into fours when dividing by 3/4?

• Because it makes the calculation easier

• Because the denominator of the divisor is four

• Because the dividend is a multiple of four

• Because the numerator of the divisor is four

What does each part represent when the space between whole numbers is divided into fours?

• 1/4

• 1/5

• 1/3

• 1/2

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

How many groups of 3/4 are there in 6?

• 6

• 9

• 7

• 8

What is the result of dividing 6 by 3/4?

• 9

• 8

• 7

• 6

Tags

CCSS.5.NF.B.7B

CCSS.5.NF.B.7C

What did you learn in this lesson?

• How to subtract fractions

• How to multiply fractions

• How to add whole numbers

• How to divide a whole number by a fraction using a number line