Fractions Review - General and fractions operations

What operation does the fraction bar represent?

• addition

• subtraction

• multiplication

• division

Answer explanation

Think of the fraction as a division sign.

Each dot represents a number.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

What is the top number in a fraction called?

• numerator

• denominator

• product

• quotient

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

What is the bottom number in a fraction called?

• numerator

• denominator

• quotient

• product

Answer explanation

The denominator is DOWN under the fraction bar.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

What has to be the same before two fractions or mixed numbers can be added or subtracted?​ (a)  

• numerators
• denominators
• whole numbers

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Equivalent fractions are

(a)  

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Which are improper fractions?

• 7/6

• 2 3/4

• 2/9

• 34/34

Tags

CCSS.4.NF.B.3

Write 2 and 3/4 as an improper fraction

Mathematical Equivalence

ON

Answer explanation

multiply the denominator x the whole number then + the numerator and keep the denominator the same as it was

Write 25 / 3 as a mixed number

Mathematical Equivalence

ON

Answer explanation

Divide the numerator by the denominator, so 25 divided by 3, which is 8 with a remainder of 1. Put the remainder as the new numerator and keep the denominator the same.

Answer is 8 and 1/3

Tags

CCSS.5.NF.B.3

The number 3 and 4/5 is an example of a ​ (a)  

• improper fraction
• mixed number
• proper fraction
• equivalent fraction

Answer explanation

mixed numbers have whole numbers AND fractions

Solve 3 and 1/6 minus 1 and 5/6.

• Combine 2 and 6/6 with the 1/6, which is 2 and 7/6

• Rename the 3 as 2 and 6/6

• Reduce 1 and 2/6 to 1 and 1/3

• Subtract 1 5/6 from 2 and 7/6

Answer explanation

Because you cannot take 5/6 from 1/6 you have to start the problem by renaming / regrouping the 3 and 1/6

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2