Iready lesson 20 flashcard finding area with fractions

Front

What is the formula to find 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 3/4 yard and a width of 2/5 yard, what is its area?

Back

3/4 × 2/5 = 6/20 or 3/10 square yards

Tags

CCSS.5.NF.B.4B

Front

What does it mean to find the area of a shape?

Back

Finding the area means calculating the amount of space inside the shape.

Front

How do you multiply fractions?

Back

Multiply the numerators together and the denominators together.

Tags

CCSS.5.NF.B.6

Front

What is the area of a rug that is 1/2 yard wide and 7/6 yards long?

Back

1/2 × 7/6 = 7/12 square yards

Tags

CCSS.5.NF.B.4B

Front

What is the area of a poster that is 3/5 yard long and 3/8 yard wide?

Back

3/5 × 3/8 = 9/40 square yards

Tags

CCSS.5.NF.B.4B

Front

What is a fraction?

Back

A fraction represents a part of a whole and consists of a numerator and a denominator.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What is the numerator in a fraction?

Back

The numerator is the top number in a fraction that indicates how many parts are being considered.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What is the denominator in a fraction?

Back

The denominator is the bottom number in a fraction that indicates how many equal parts the whole is divided into.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

If the area of a rectangle is 1 square unit, what could be one possible dimension?

Back

Dimensions could be 1 unit by 1 unit, or any other pair of fractions that multiply to 1.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3