1. Objective: Multiply a 2-digit number by a 1-digit number.
Multiplication
Objective:
Multiply a 2-digit number by a 1-digit number.

2. Vocabulary
Product The answer to a multiplication problem. (producto)
Factor A number that is multiplied by another number to find a product. (factor) Ex: 4 x 6 = 24, and 6 are factors of 24
Multiply - The act of finding the total number of items in a given number of groups when each group contains the same number of items. It is a short cut for addition. (multiplicar)
Array An arrangement that shows objects in rows and columns. (matriz) *
Example:       3 x 4 = 12 3 4

3. Vocabulary continued * Set -a group of items. (conjunto)
Times - to multiply. (por)
Multiple - the product of a whole number and any other number
Ex: the multiples of 3 are 3, 6, 9, 12, 15. (multiple) *

4. What multiplication number sentence can we use to represent this set of squares?x
6 and 4 are the factors in this problem 24
product
What word can we use to describe the arrangement of this set?

5. Practice 12 22 31 42 x 3 x 4 x 4 x 3 36 88 124 126 Find the product.
x x x x 3
Demonstration
Practice

6. Multiplication with regroupingx

7. 1 1 2 x 8 ------- 6 Multiply the numbers in the ones place.
Put the 6 in the ones place of the product.
Regroup the 1 to the tens place. 6

8. Multiply the tens place in the top number by the ones place in the bottom number.
Then you take this number and add the 1.
Put that answer in the tens place of the product. 1 x 9 6

9. Practice 29 12 26 25 x 3 x 5 x 5 x 4 87 60 130 100 Find the product.
x x x x 4
Demonstration w/regrouping
Practice w/regrouping

10. Review the vocabulary Product Multiplier Multiply Factor Set Array
Times

11. TAKS Preparation Sample Questions

12. Ms. Rodriguez bought 4 bags of cookies
Ms. Rodriguez bought 4 bags of cookies. There are 17 cookies in each bag. How many cookies did Ms. Rodriguez buy?
68 cookies
428 cookies
48 cookies
88 cookies

13. The third grade classes had a Valentines Day party in the cafeteria
The third grade classes had a Valentines Day party in the cafeteria. There were 25 tables with 7 seats at each table. How many seats were there in all?
1,435 seats
145 seats
125 seats
175 seats

14. Maria’s mom made 8 packages of tamales
Maria’s mom made 8 packages of tamales. There are 12 tamales in each package. Which number sentence shows how many tamales Maria’s mom made?
8 x 12
8 + 12
12 - 8
8 x 2

15. A hexagon has six sides. Miguel drew 7 hexagons
A hexagon has six sides. Miguel drew 7 hexagons. How many sides did he draw?
Hexagons 1 2 3 4
Sides 6 12 18 24
6 sides
48 sides
42 sides
7 sides

16. Miles Minutes 2 4 6 15 30 45 60 minutes 80 minutes 10 minutes
The table shows how long it takes Alicia to ride her electric scooter.
Miles
Minutes 2 4 6 15 30 45
If this pattern continues, how many minutes will it take Alicia to ride 10 miles?
60 minutes
80 minutes
10 minutes
75 minutes