Fractions to One Half

• 9

• 10

• 11

• 12

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

• 16

• 32

• 8

• 2

How do you know that  32 is the correct denominator (bottom number) for the fraction to equal 1/2 ?

• Since the Fraction is 1/2, you estimate the bottom number, but make sure it has a 2 in it.

• I have no idea

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

How do you know that  100 is the correct denominator (bottom number) for the fraction to equal 1/2 ?

• Since the Fraction is 1/2, you estimate the bottom number, but make sure it has a 0 in it.

• I have no idea

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

How do you know that  11 is the correct numerator (top number) for the fraction to equal 1/2 ?

• HALF of  is 19 is 9.5

• HALF of 38 is 19

• Since the other fraction is 1/2, You just use a 1 in the tens place and add 1 to the denominator's ones place.

• I have no idea

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

How do you know that  9 is the correct numerator (top number) for the fraction to equal 1/2 ?

• HALF of  is 18 is 9

• HALF of 9 is 4.5

• Since the other fraction is 1/2, You just add the digits of the denominator and that gives you the numerator.

• I have no idea

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Find the Missing Numerator:

• 7

• 10

• 14

• 1

Tags

CCSS.7.NS.A.1C

How do you know that  7 is the correct numerator (top number) for the fraction to equal 1/2 ?

• HALF of  is 7 is 3.5

• HALF of 14 is 7

• Since the other fraction is 1/2, You just add the digits of the denominator with the 2 and that gives you the numerator.

• I have no idea

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

How do you know that  18 is the correct numerator (top number) for the fraction to equal 1/2 ?

• HALF of  is 36 is 18

• HALF of 18 is 9

• Since the other fraction is 1/2, You just add the digits of the denominator and rewrite is as two factors that add up to the same number.

• I have no idea

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Any Fraction is Equal to 1/2 if...

• The top number (numerator) is HALF the amount of the Bottom Number (denominator)

• When you pick ANY fraction, Don't they ALL equal 1/2 !

• The Bottom Number (Denominator) is HALF the amount of the Top Number (Numerator)

• None of these

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1