4th grade Keywords Math

Front

What is an obtuse triangle?

Back

A triangle that has one obtuse angle (greater than 90 degrees) and two acute angles (less than 90 degrees).

Tags

CCSS.4.G.A.2

Front

What operation do you use when you see 'each' in a math problem?

Back

Multiply.

Tags

CCSS.4.OA.A.2

Front

How do you find the perimeter of a shape?

Back

Add ALL sides together.

Tags

CCSS.3.MD.D.8

Front

What does 'each' represent in a story problem?

Back

Multiplication.

Tags

CCSS.3.OA.D.8

Front

What does it mean for lines to be perpendicular?

Back

Lines that cross at 90 degrees angles.

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Front

What is an acute triangle?

Back

A triangle where all three angles are acute (less than 90 degrees).

Tags

CCSS.4.G.A.2

Front

What is a right triangle?

Back

A triangle that has one right angle (exactly 90 degrees).

Tags

CCSS.4.G.A.2

Front

What is the formula for the area of a rectangle?

Back

Area = length × width.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What is a polygon?

Back

A closed figure with three or more straight sides.

Tags

CCSS.2.G.A.1

Front

What is a quadrilateral?

Back

A polygon with four sides.

Tags

CCSS.2.G.A.1