Numbers and Operations--Whole Numbers and DecimalsTCAP Review

Front

What is rounding?

Back

Rounding is the process of adjusting the digits of a number to make it simpler while keeping its value close to what it was. For example, rounding 2.078 to the hundredths place gives 2.08.

Front

What is the hundredths place in a decimal number?

Back

The hundredths place is the second digit to the right of the decimal point. For example, in the number 2.078, the digit '7' is in the hundredths place.

Front

How do you round a number to the nearest hundredths place?

Back

To round to the nearest hundredths place, look at the digit in the thousandths place. If it is 5 or greater, increase the hundredths place by 1. If it is less than 5, keep the hundredths place the same.

Front

What is the value of 0.07 in whole numbers?

Back

0.07 is equal to 7 hundredths, which is less than 1 whole.

Front

What is the value of 70 in decimal form?

Back

70 can be expressed as 70.00 in decimal form.

Front

What is the sum of 42.6 + 0.45 + 30.22?

Back

The sum is 73.27.

Front

What is the process of addition with decimals?

Back

To add decimals, align the numbers by the decimal point and add each column starting from the right.

Front

What is a whole number?

Back

A whole number is a number without fractions or decimals. Examples include 0, 1, 2, 3, etc.

Front

What is a decimal number?

Back

A decimal number is a number that includes a decimal point, representing a fraction of a whole. For example, 2.5 is a decimal number.

Front

How do you convert a decimal to a fraction?

Back

To convert a decimal to a fraction, write the decimal over its place value (e.g., 0.75 = 75/100) and simplify if possible.