Area of a Rectangle with Fractional Side Lengths

Front

What is the formula to calculate the area of a rectangle?

Back

Area = Length × Width

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

If a rectangle has a length of 4 and a width of 5, what is its area?

Back

Area = 4 × 5 = 20

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What does it mean when a side length is a fraction, like 4 1/5?

Back

It means the length is 4 whole units and 1/5 of another unit.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

How do you convert a mixed number like 4 1/5 into an improper fraction?

Back

Multiply the whole number by the denominator and add the numerator: 4 × 5 + 1 = 21/5.

Front

What is the area of a rectangle with dimensions 1 7/10 and 9?

Back

Area = 1 7/10 × 9 = 15 4/10.

Tags

CCSS.5.NF.B.4B

Front

How do you multiply a whole number by a mixed number?

Back

Convert the mixed number to an improper fraction, then multiply.

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Front

What is the area of a rectangle with dimensions 5 1/8 and 10?

Back

Area = 5 1/8 × 10 = 51 2/8.

Tags

CCSS.5.NF.B.4B

Front

What is the area of a rectangle with dimensions 4 2/4 and 5?

Back

Area = 4 2/4 × 5 = 22 2/4.

Tags

CCSS.5.NF.B.4B

Front

What is the area of a rectangle with dimensions 2 1/4 and 3?

Back

Area = 2 1/4 × 3 = 6 3/4.

Tags

CCSS.5.NF.B.4B

Front

What is a mixed number?

Back

A number that consists of a whole number and a fraction.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B