Fractions with Scaling and Multiplication

What are the steps to multiplying a fraction and a whole number?

• Change the whole number to a fraction, multiply numerators and denominators, simplify

• Change the whole number to a fraction, multiply the numerator with the denominator, simplify

• Multiply the numerator, multiply the denominator, simplify

• Mutliply the numerator with the whole number, multiply the denominator with the whole number, simplify

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

What are the steps to multiplying mixed numbers?

• Mutliply the fractions, add the whole numbers, simplify

• Multiply the whole numbers, multiply the fractions, simplify

• Change the whole numbers to fractions, multiply across, simplify

• Change mixed numbers to improper fractions, multiply numerators and denominators, simplify

Tags

CCSS.5.NF.B.6

resizing a quantity by multiplying by a factor

• product

• factor

• scaling

• unit fraction

1/2 x 8 1/8  
Will the product be more or less than 8 1/8?

• More

• Less

• Equal

Tags

CCSS.5.NF.B.5B

5/6 x 22/3
Will the product be more or less than 5/6?

• more

• less

• equal to

Tags

CCSS.5.NF.B.5B

5 1/3 x 6/7
Will the product be more or less than 5 1/3?

• more

• less

• equal to

Tags

CCSS.5.NF.B.5B

6 7/9 x 21/5
Will the product be more or less than 21/5?

• more

• less

• equal to

Tags

CCSS.5.NF.B.5B

8 2/4 x 5 1/6
Will the product be more or less than 8 2/4?

• more than

• less than

• equal to

Tags

CCSS.5.NF.B.5B

Estimate:
7 3/6 x 6

• 50

• 54

• 45

• 36

Tags

CCSS.4.NBT.B.5

Estimate:
6 3/7 x 4

• 22 5/7

• 30 5/7

• 31 3/7

• 25 5/7

Tags

CCSS.5.NBT.B.7