How to multiply decimals. In order to multiply decimals using the standard algorithm. Stack the number with the most digits on top. Multiply as if the numbers were multi-digit whole numbers, …

Multiplying decimals You feed your dog 2.3 cups of food a day, and you need to bring enough food for a 4.5-day trip. Start by multiplying the digits, ignoring the decimal points, using the …

Learn how to multiply multi-digit decimals using the standard algorithm, and see examples that walk through sample problems step-by-step for you to improve your math knowledge and...

Learn how to use visual models, area models and the standard algorithm to teach students various strategies for multiplying decimals.

Suppose $a=0,a_{-1}a_{-2}a_{-3}\ldots$ and $b=0,b_{-1}b_{-2}b_{-3}\ldots$ are two decimal numbers. To be precise, I should have add ''representation of'' before ''decimal numbers'' but …

Teaching your students how to do multiplication algorithms different ways will help them understand how multi-digit multiplication works. These four multi-digit multiplication algorithms …

Jun 30, 2010 · You may remember that the general rule for multiplying decimals is to multiply the digits as if they were whole numbers and then place the decimal point in the answer based on …

Free lesson on Multiply decimals by decimal using algorithm, taken from the Decimals topic of our New Zealand Level 5 textbook. Learn with worked examples, get interactive applets, and …

Multiply a decimal number by a decimal number Learning Goal: 2.3 x 4.5 set up like 2 . 3 Put in your "Swimming Lanes" 2 . 3 x 4 . 5 x 4 . 5 Multiply "Up" 5 x 3 = 15 5 goes down, "carry" the 1

This is a complete lesson with explanations and exercises about the standard algorithm of multiplication (multiplying in columns), meant for fourth grade. First, the lesson explains (step …