Operations with Decimals and Word Problems

Front

How many decimal places will you be moving in your final answer for the multiplication 3.5 x 14.37?

Back

3 decimal places.

Front

What operation would you use to find the difference in weight between two bottles of hot sauce, one 16.9 ounces and the other 32.55 ounces?

Back

Subtraction.

Front

What is 9.08 + 14.6?

Back

23.68.

Front

If an artist mixes 3.67 litres of blue paint with 1.86 litres of red paint, how many litres of violet paint does he get?

Back

5.53 litres.

Front

Bill paid $32.50 for 4 fishing rods. How much did Bill pay per fishing rod?

Back

$8.13 per fishing rod.

Front

What is the definition of a decimal?

Back

A decimal is a fraction expressed in a special form, where the denominator is a power of ten.

Front

What does it mean to round a decimal?

Back

Rounding a decimal means adjusting its value to a nearby, more convenient number.

Front

What is the place value of the digit 5 in the number 3.45?

Back

The place value of 5 is in the hundredths place.

Front

How do you add decimals?

Back

Align the decimal points and add as you would whole numbers, then place the decimal point in the answer.

Front

What is the difference between multiplication and addition of decimals?

Back

Multiplication combines groups of numbers, while addition combines individual numbers.