4th grade math

Front

What is multiplication?

Back

Multiplication is a mathematical operation where a number is added to itself a certain number of times. For example, 4 x 3 means 4 added together 3 times (4 + 4 + 4 = 12).

Front

What is the product of 85 and 80?

Back

The product of 85 and 80 is 4,250.

Front

What is addition?

Back

Addition is a mathematical operation where two or more numbers are combined to get a total. For example, 2 + 3 = 5.

Front

What is the sum of 85,690 and 990?

Back

The sum of 85,690 and 990 is 86,680.

Front

What does it mean to multiply a number by 8?

Back

Multiplying a number by 8 means you have 8 groups of that number. For example, 19 x 8 means 19 added together 8 times.

Front

If Valerie has 19 buckets of slime, how many does her cousin have if he has 8 times more?

Back

Her cousin has 152 buckets of slime (19 x 8 = 152).

Front

What is an angle?

Back

An angle is formed by two rays that share a common endpoint, called the vertex.

Front

What is an acute angle?

Back

An acute angle is an angle that measures less than 90 degrees.

Front

What is a right angle?

Back

A right angle is an angle that measures exactly 90 degrees.

Front

What is an obtuse angle?

Back

An obtuse angle is an angle that measures more than 90 degrees but less than 180 degrees.