# By: Rashadd Jordan. Common Operation Words Place Value 1.1234 1.1234 ? Answer Hundredths Ten- Thousandths Thousandths Tenths.

## Presentation on theme: "By: Rashadd Jordan. Common Operation Words Place Value 1.1234 1.1234 ? Answer Hundredths Ten- Thousandths Thousandths Tenths."— Presentation transcript:

Common Operation Words

Place Value 1.1234 1.1234 ? Answer Hundredths Ten- Thousandths Thousandths Tenths

Place Value

Multiplication Recipe 1. Multiply the numbers just as if they were whole numbers. Line up the numbers on the right Starting on the right, multiply each digit in the top number by each digit in the bottom number, just as with whole numbers. Add the products. 2. Put the decimal point in the answer - it will have as many decimal places as the two original numbers combined.

Multiplication w/ Manipulatives Video 2.34 x 3? Model!

Division

Division Recipe (by a whole number) 1. Write in long division form 2. Line up your decimal point in quotient with dividend Dot on “top of the house” should match the dot “inside of the house” 3. Divide as normal. Keep dividing until the answer terminates or repeats.

Division Recipe (by a decimal) 1. Write in long division form 2. Change divisor into a whole number Move the divisor’s decimal place to the right until it becomes a whole number Move the dividend’s decimal place to the right the same number of places. 3. Put decimal point on “top of the house” directly above decimal point in the dividend. 4. Divide as normal. Keep dividing until the answer terminates or repeats.

Addition Recipes 1. Write down the numbers, one under the other, with the decimal points lined up 2. Put in zeros so the numbers have the same length 3. Then add using column addition, remembering to put the decimal point in the answer

Addition w/ Manipulatives Video.54 +.77? Model!

Subtraction recipes 1. Write down the numbers, one under the other, with the decimal points lined up 2. Put in zeros so the numbers have the same length 3. Then add using column addition, remembering to put the decimal point in the answer

Subtraction w/ Manipulatives Video 2.15-1.07