Models
Use EQUAL GROUPS to show 6 x 2 = ___. Find the product.
6 equal groups with 2 inside each group.
6 x 2 = 12
Find the product:
2 x 3 = ___
2 x 3 = 6
Skip counting: 2, 4, 6
Mary bought 4 packages of tennis balls. Each package had 3 tennis balls. How many tennis balls did Mary buy?
Mary bought 12 tennis balls.
4x3=12
Is 8 a multiple of 2?
Show how you know.
Yes
Skip Counting: 2, 4, 6, 8 or
2 x 4 = 8
5 x 0 = 0
True
Build an array to show 4 x 5 = ___. Find the product.
4 x 5 = 20
4 rows with 5 columns.
Find the product:
4 x 10 = ____
Skip counting: 10, 20, 30, 40
Amy rides her bike for 10 minutes each day. How many minutes does she ride her bike in 5 days?
10 + 10 + 10 + 10 + 10 = 50 minutes
5 x 10 = 50 minutes
Is 54 a multiple of 10?
Show how you know.
No, 54 is NOT a multiple of 10.
Skip counting: 10, 20, 30, 40, 50, 60
5x10=50 and 6x10=60
1 x 7 = 7
True
Build a number line to show 3 x 6 = ____. Solve for the product.
3 jumps of 6 is equal to 18.
Find the product:
5 x 0 = ___
5 x 0 = 0
Skip counting: 0 means there is nothing to skip count.
2 boxes on 3 tables = 6 boxes in total
6 boxes with 5 pencils in each box is 6x5
6x5= 30 pencils in all
Is 31 a multiple of 5?
Show how you know?
No, 31 is NOT a multiple of 5.
Skip counting: 5, 10, 15, 20, 25, 30, 35
6x5=30 and 7x5=35
9 x 1 = 10
False
Melanie made 3 plates of 5 cookies. Build a model to represent and solve this problem.
3 plates of 5 cookies.
3 equal groups of 5.
3 rows with 5 columns.
3 jumps of 5 on the number line.
Find the product:
8 x 2 = _____
8 x 2 = 16
2, 4, 6, 8, 10, 12, 14, 16
Katherine bought 3 packages of stickers. Each package had 5 stickers. Then, Katherine bought 2 more packages. How many stickers did Katherine buy in all?
Katherine bought 25 stickers.
5 + 5 + 5 = 15 stickers for the first 3 packages
5 + 5 =10 stickers for the second 2 packages.
5 + 5 + 5 + 5 + 5 = 25 for all 5 packages.
Let's look at that on a number line!
Is 20 a multiple of 10 and 2?
Show how you know.
Yes, 20 is a multiple of 10 and 2.
Skip count by 2s: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20
Skip count by 10s: 10, 20
Both have 20 in their list of multiples.
22 is a multiple of 5.
False.
The multiples of 5 are 5, 10, 15, 20, 25.
Show two DIFFERENT arrays that have the same factors and the same product. (Hint: Use the commutative property of multiplication)
Example:
3 x 5 = 15
5 x 3 = 15
Find the product:
6 x 5 = __
6 x 5 = 30
Skip counting: 5, 10, 15, 20, 25, 30
Efrain was buying packages of Pokemon cards. Each package had 5 cards. Is it possible for Efrain to buy 18 Pokemon cards? Why or why not?
No, because 23 is not a multiple of 5.
1 package of cards= 5 cards (1x5=5)
2 packages of cards = 10 cards (2x5=10)
3 packages of cards = 15 cards (3x5=15)
4 packages of cards = 20 cards (4x5=20)
No, because 15 is NOT a multiple of 2. It is only a multiple of 5.
Skip count by 2s: 2, 4, 6, 8, 10, 12, 14, 16
Skip count by 5s: 5, 10, 15, 20
15 is only on the list of multiples for 5s, not 2s.
10 is a multiple of 2.
True.
2, 4, 6, 8, 10.
2 x 5 = 10