Multiplying and Dividing Fractions
PART ONE:
PART TWO:Multiplying and
Dividing Decimals
Multiplying and Dividing FractionsWHAT I NEED TO KNOW:
• 6.3.A - Recognize that dividing by a rational number and multiplying by its reciprocal result in equivalent values.
• EXAMPLE : 24 is the same as 24 x
• SOLVE:
1. x 20 = ______________ ( Hint – what is ¼ of 20??)
2. x 88 = ______________
3. 36
PART
ONE:
“OF” means “MULTIPLY”
6.3.B Determine, with and without computation, whether a quantity is increased or decreased when multiplied by a fraction (including values greater than or less than
one.)• EXAMPLE : Will the product of × 6 be less than 6 or greater
than 6?
The product will be less than 6 because is less than 1. × 6 =
1. If you multiply 6 by will the product be greater or less than 6?
2. If you multiply 6 by will the product be greater or less than 6?
6.3.E Multiply and divide positive rational numbers
fluently
REMEMBER:
• Write whole numbers
as a fraction
• Turn mixed numbers
into improper
fractions.
• Simplify first if you
can.
Example: 3 x 4 = x =
Multiplying and Dividing DecimalsWHAT I NEED TO KNOW:
PART TWO:
Additional Practice: dividing by decimals
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