1. Chapter

2. Bell Work
The price of a pair of jeans is $27. The price of a shirt is $ What is the total cost of a pair of jeans and a shirt?
The high temperature was F today and F yesterday. How much warmer is today’s high temperature than yesterday’s?

3. Answers
=22.363
=9.95
The price of a pair of jeans is $27. The price of a shirt is $ What is the total cost of a pair of jeans and a shirt?= $43.95
The high temperature was F today and F yesterday. How much warmer is today’s high temperature than yesterday’s?=5.63

4. Objectives
Students will be able to add, subtract, multiply, and divide with decimals.
Essential Question- Can you tell how many decimal places there will be in a product?
NS 2.1- Students should be familiar with the rules for multiplying and dividing whole numbers in order to multiply and divide decimals.

5. Vocabulary Leading digit- the first nonzero digit
Compatible numbers-are numbers that make a calculation easier
Product- answer when you multiply two factors
Quotient- the answer when you divide

6. Place values Tenths - .1 Hundredths- .12 Thousandths - .123
Ten-thousandths

7. Adding and Subtracting Decimals
Step 1-- Line up the decimal points
Step 2– Add or subtract as you would whole numbers
Step 3– Place the decimal point in the same place as in the numbers above it. (stack them up)

8. Multiplying Decimals Multiply decimals like whole numbers.
Count the total numbers of decimals points in the factors.
Place that number of decimal places in the product.

9. Dividing Decimals Make the divisor a whole number
Line up the decimals in the quotient and dividend
Divide as you would whole numbers

10. Homework
Finish page 27 & 28
29 & 30