4th Math STAAR Review

Front

What is expanded notation?

Back

Expanded notation is a way to write numbers that shows the value of each digit. For example, 345 can be written as 300 + 40 + 5.

Front

How do you find the value of a digit in a number?

Back

To find the value of a digit, multiply the digit by its place value. For example, in the number 931, the value of the 3 is 3 x 10 = 30.

Front

What is a mystery number?

Back

A mystery number is an unknown number that can be determined using clues or mathematical operations.

Front

How do you calculate the total amount earned from repeated tasks?

Back

Multiply the amount earned per task by the number of tasks completed. For example, if you earn $15 for each of 23 tasks, you earn 15 x 23 = $345.

Front

What is a data set?

Back

A data set is a collection of numbers or values that can be analyzed. For example, the numbers 17, 18, 19, 21 are part of a data set.

Front

What does it mean for a number to have a certain digit in a specific place value?

Back

It means that the digit represents a value based on its position in the number. For example, in 24,083.15, the 2 is in the twenty-thousands place.

Front

How do you identify the correct data set from a list?

Back

Look for a set of numbers that follows a specific pattern or rule, such as being in order or having repeated values.

Front

What is the value of a digit in the hundredths place?

Back

The value of a digit in the hundredths place is determined by its position, where 0.01 represents one hundredth. For example, in 0.05, the 5 is in the hundredths place.

Front

How do you write a decimal number in expanded notation?

Back

Write each digit multiplied by its place value. For example, 14.83 can be written as 10 + 4 + 0.8 + 0.03.

Front

What is multiplication?

Back

Multiplication is a mathematical operation that represents repeated addition. For example, 3 x 4 means adding 3 four times: 3 + 3 + 3 + 3.