Multiplication as a Comparison
Write an equation to show 3 times as many as 8 equals 24
3x8=24
8x3=24
24= 3x8
24=8x3
True or False:
6 is a prime number
False
1,2,3, and 6 are all factors of 6
List all the factor pairs of 3.
1 and 3
triangle, hexagon, triangle, hexagon, triangle, hexagon
Alternates between triangle and hexagon
Alternates between a 3-sided shape and a 6-sided shape
Alternates between odd and even
Mrs. Adkins has 20 pounds of chocolate. She makes 2 batches of brownies that use 4 pounds each, one batch of hot chocolate that uses 6 pounds, and she uses 3 pounds to make chocolate fudge. Write an equation to represent how many pounds of chocolate Mrs. Adkins has left, p.
p= 20- (2x4)- 6- 3
Write an equation to show 48 is 4 times as many as 12.
4x12=48
12x4=48
48=4x12
48=12x4
True or False:
7 is a prime number
True
1 and 7 are the only factors of 7
True or False:
25 is a multiple of 4
False
Start with the number 4. Use the rule “multiply by 2.”
Write the next three numbers in the pattern.
8, 16, 32
Ashia earns $5 each time she babysits. She has saved $30. Ashia wants to save $52 to buy new cheer pom poms. Write and solve an equation to find how many more times Ashia will need to babysit.
b= (52-30)/5
b=22/5
b= 4R2
Use the multiplication equation to complete the sentence
32= 8x4
________ is _______times as many as _________
32 is 8 times as many as 4
Is 15 prime or composite?
Composite
The factors of 15 are 1, 3, 5, and 15
List all the factor pairs of 24
1,2,3,4,6,8,12, and 24
Start with the number 3. Use the rule “multiply by 3."
Write the next three numbers in the pattern.
9, 27, 81
There are 15 fourth grade students and 19 fifth grade students in after school. The tables in Mrs. Jamie's classroom seat 4 students each. Write and solve an equation to find how many tables Mrs. Jamie will need.
t= (15+19)/4
t=34/4
t=8R2
t=9
Use the multiplication equation to complete the sentence
7 x 8= 56
_______ times as many as ______ is ________.
7 times as many as 8 is 56.
Is 17 prime or composite?
Prime
The only factors of 17 are 1 and 17
Mrs. Trogdon puts 36 markers into containers. She puts the same number of markers into one or more containers with no markers left over. List all of the possible numbers of markers that Mrs. Trogdon can put into each container? (Hint Rainbow Method)
1, 2,3,4,6,9,12,18, 36
The rule for the pattern shown below is “add 9.”
9, 18, 27, 36, 45
If the pattern continues, what would be the 50th number in the pattern?
450
Nico spends $27 at the grocery store. He buys a pizza for $10.
He also buys granola for $5 and 3 packages of strawberries.
Write and solve an equation to find how much each package of strawberries?
p = 27 - (10 + 5) / 3
p = 27 - 15/ 3
p= 12/3
p= 4
Amy has 3 green grapes. She has 7 times as many red grapes as green grapes. Draw a model to show the number of red grapes Amy has.
See White Board
True or False:
3 is a prime number
True
The only factors of 3 are 1 and 3
Granola bars come in boxes that hold 2 bars, 5 bars, and 10 bars. Mrs. Justice wants to buy exactly 60 bars. She plans to buy only one size of box. What are two ways that she can buy exactly 60 bars? Tell which type of box Mrs. Justice can buy and how many of each box/
Mrs. Justice can buy 30 boxes of the boxes that hold 2 bars. She can buy 12 boxes of the boxes that hold 5 bars each. She could also buy 6 boxes of the boxes that hold 10 bars each.
The rule for the pattern shown below is add 8.
8, 16, 24, 32, 40
If the pattern continues, what would be the 40th number in the pattern?
320
Ryan spends $80 at the florist. He buys red roses for $35.
He also buys white roses for $21 and 4 vases that all cost the same.
Write and solve an equation to find the price of each vase?
v= 80 - (35+21)/4
v= 80 - 56/ 4
v= 24/ 4
v= 6