Multiplication of Decimals Study Guide

Front

What is multiplication of decimals?

Back

Multiplication of decimals involves multiplying two numbers that have decimal points, resulting in a product that may also have a decimal point.

Front

How do you multiply a whole number by a decimal?

Back

To multiply a whole number by a decimal, multiply as if there are no decimals, then place the decimal point in the product based on the total number of decimal places in the numbers being multiplied.

Front

Calculate: 29 x 7.3

Back

211.7

Front

What is a scale model?

Back

A scale model is a physical representation of an object that is proportionally smaller or larger than the actual object.

Front

If the Washington Monument is 555 feet tall, how tall is a model that is 1/100 the actual size?

Back

5.55 feet tall

Front

What does 10^3 mean?

Back

10^3 means 10 multiplied by itself 3 times, which equals 1000.

Front

Calculate: 10^3 x 17.55

Back

17,550

Front

What is the relationship between hours worked and multiplication?

Back

If someone works multiple times the hours of another, you can find the total hours by multiplying the hours worked by the factor.

Front

Riley worked 12 hours this week. If he worked 3.5 times as many hours last week, how many hours did he work last week?

Back

42 hours

Front

What is the process to find out how much more one person spent than another?

Back

To find out how much more one person spent than another, subtract the smaller amount from the larger amount.