3rd Grade Test Practice

Front

What is rounding in mathematics?

Back

Rounding is the process of adjusting a number to the nearest specified value, often to make calculations easier. For example, rounding 289 to the nearest hundred gives 300.

Front

What is the nearest hundred to 289?

Back

300

Front

What is the nearest hundred to 347?

Back

300

Front

What is a fraction?

Back

A fraction represents a part of a whole and is written as 'a/b', where 'a' is the numerator (part) and 'b' is the denominator (whole).

Front

What does it mean to divide a circle into equal sections?

Back

Dividing a circle into equal sections means splitting it into parts that are all the same size, such as halves, thirds, or fourths.

Front

If Mario divides his circle into 2 equal parts, what fraction does each part represent?

Back

Each part represents 1/2 or halves.

Front

If Jenna divides her circle into 4 equal parts, what fraction does each part represent?

Back

Each part represents 1/4 or fourths.

Front

What is an equivalent fraction?

Back

Equivalent fractions are different fractions that represent the same value, such as 1/2 and 2/4.

Front

How do you estimate the total of two rounded numbers?

Back

To estimate the total, round each number to the nearest hundred and then add the rounded numbers together.

Front

What is the estimated total of 289 and 347 when rounded to the nearest hundred?

Back

The estimated total is 600 (300 + 300).