operations on decimal numbers

Front

What is the result of 7.9 - 3.47?

Back

4.43

Front

What is 14.56 ÷ 1.3?

Back

11.2

Front

What is the sum of 55.78 + 4.6?

Back

60.38

Front

Convert 350 m to kilometers.

Back

0.35 km

Front

What is 1.2 x 2.1?

Back

2.52

Front

Define decimal numbers.

Back

Decimal numbers are numbers that have a whole number part and a fractional part, separated by a decimal point.

Front

What is the process of adding decimal numbers?

Back

Align the decimal points and add as you would with whole numbers, carrying over if necessary.

Front

How do you subtract decimal numbers?

Back

Align the decimal points, subtract as with whole numbers, and borrow if needed.

Front

What is the rule for multiplying decimal numbers?

Back

Multiply as whole numbers, then count the total number of decimal places in both factors to place the decimal in the product.

Front

What is the rule for dividing decimal numbers?

Back

Move the decimal point in the divisor to make it a whole number, then move the decimal in the dividend the same number of places and divide.