1. Chapter 4:
Multiply Decimals

2. Decimal Expanded Form Hundredths Multiplication Ones Pattern
A number with one or more digits to the right of the decimal point.
Expanded Form
A way to write a number that shows the value of each digit.
Hundredths
One of one hundred equal parts
Multiplication
The process used to find the total number of items in a given
Ones
The value of a digit in the ones position on a place value chart
Pattern
A repeating sequence that follows a rule that repeats
Place Value
The value of a digit in a number based on the location of the digit
Product
The result when you multiply two numbers
Tenths
One of ten equal parts
Thousandths
One of one thousand equal parts

3. Lesson 4-1: Multiplication Patterns with Decimals

4. 1 X 2,154 =
0.1X 2,154 =
0.01X 2,154 =
0.001 X 2,154 = 10 1 2 3 X
24.46 =
1 X =
10 X =
100 X =
1,000 X = 10 1 2 3 X
0.16 =
7.02 X 1 =
7.02 X 10 =
7.02 X 100 =
7.02 X 1,000 =
230 X 1 =
230 X 0.1 =
230 X 0.01 =
230 X =

5. Test Prep Lesson 4-1
Use your clicker to answer the following question:

6. Lesson 4-2: Decimals and Whole Numbers

8. Find the product. Draw a quick picture
3 x 0.6 =

9. Find the product. Draw a quick picture
2 x 0.27 =

10. Find the product. Draw a quick picture
4 x 1.3 =

11. Find the product. Draw a quick picture
4 x 0.31 =

12. Test Prep Lesson 4-2
Use your clicker to answer the following question:

13. Lesson 4-3: Multiply with Decimals and Whole Numbers

14. Place the decimal point in the product
2.9 X
145
14.93 X
8958
2.36 X
708

15. Multiply:
8 x 0.35 =
5 x 2.5 =
8 x 1.35 =
21.72 x 4 =

16. Test Prep Lesson 4-3
Use your clicker to answer the following question:

17. Lesson 4-4: Multiplying Using Expanded Form

18. Multiplying place value patterns
13 x 6.8 =

19. 60 18 8 + 2.4 88.4 Draw a model to find the product. 13 x 6.8 = 10 3 6
0.8
2.4 8

20. Multiply sing place value patterns
39 x 4.8 =

21. 120 36 24 + 7.2 187.2 Draw a model to find the product. 39 x 4.8 = 30
0.8
7.2 24

22. Test Prep Lesson 4-4
Use your clicker to answer the following question:

23. Lesson 4-5: Multiplying Money

25. Test Prep Lesson 4-5
Use your clicker to answer the following question:

26. Lesson 4-6: Decimal Multiplication

27. Add slides to show one tenth x one tenth

28. 0.3 X 0.7 = 0.21 Count the squares that are Shade double shaded Shade
first
vertically
Shade
second
horizontally

29. 0.9 X 1.5 = 1.35 Shade Second horizontally Shade first vertically
Count the
squares that are
double shaded

30. Test Prep Lesson 4-6
Use your clicker to answer the following question:

31. Lesson 4-7: Multiply Decimals

33. 352
X 0.4
35.2
X 0.4
3.52
X 0.4

34. 24.1
X .12
241
X 12
241
X 1.2

35. Test Prep Lesson 4-7
Use your clicker to answer the following question:

36. Lesson 4-8: Zeros in the Product

38. 0.06
X 0.9
0.6
X 0.9
0.04
X 0.2
0.4
X 0.2
0.07
X 0.2
0.7
X 0.2

39. Test Prep Lesson 4-8
Use your clicker to answer the following question: