The carnival is in town for 21 days. How many weeks is the carnival in town? (There are 7 days in
1 week.) Write an equation, and solve.
21 ÷ 7 = 3 weeks
Eight boys equally share 4 packs of baseball cards. Each pack contains 10 cards. How many cards does each boy get?
4 x 10 = 40 cards each
8 x 1 = A
8 x 2 = A
8 x 3 = A
8 x 4 = A
8 x 1 = 8
8 x 2 = 16
8 x 3 = 24
8 x 4 = 32
Determine if the equation is true or false.
(15 – 3) ÷ 2 = 6
TRUE
Fabrizio wins a bumblebee doll with 6 stripes. He notices that 5 other children in line for the Magic Show won the same doll. How many stripes are on 6 bumblebee dolls? Write an equation using a letter to represent the unknown. Solve.
6 x 6 = s
s = 36
There are 36 stripes on 6 bumblebee dolls.
Tara buys 6 packs of printer paper. Each pack of paper costs $8. Write an equation, and label the total amount she spends as m. Write an equation, and solve for m.
6 x $8 = m
m = $48
8 x 5 = B
8 x 6 = B
8 x 7 = B
8 x 8 = B
8 x 5 = 40
8 x 6 = 48
8 x 7 = 56
8 x 8 = 64
Determine if the equation is true or false.
(10 – 7) × 6 = 18
TRUE
The magician uses a magic box. Every time he puts an object in, it gets multiplied. Fabrizio writes down what happens each time and tries to find a pattern. Look at his notes below. What is the pattern?
2 feathers in ----> 14 feathers out
3 marbles in ---> 21 marbles out
4 dice in ---> 28 dice out
5 wands in ---> 35 wands out
The magic box multiplies objects by 7.
Ms. Santor divides 32 students into 8 equal groups for a field trip. Write an equation, and label the number of students in each group as n. Write an equation, and solve for n.
32 ÷ 8 = n
32 ÷ 8 = 4 students in each group
n = 4
8 x 9 = S
8 x 10 = S
8 x 11 = S
8 x 12 = S
8 x 9 = 72
8 x 10 = 80
8 x 11 = 88
8 x 12 = 96
Determine if the equation is true or false.
(35 – 7) ÷ 4 = 8
FALSE!
(35 – 7) ÷ 4 = 8
28 ÷ 4 = 7
After the show, Fabrizio and 5 friends equally share the cost of a $54 magic set. They use the equation
6 × n = $54 to figure out how much each person pays. How much does Fabrizio pay?
n = $9
Fabrizio pays $9.
The fruit seller packs 72 oranges into bags of 8 each. He sells all the oranges at $4 a bag. How much money did he receive?
72 ÷ 8 = 9 bags of oranges
9 x $4 = $36
The fruit seller received $36.
Use (parentheses) to make the equations true.
2 + 8 × 7 = 70
(2+8) x 7 = 70
10 x 7 = 70
There are 48 liters of water needed to finish filling the dunk tank at the carnival. Each container holds 8 liters of water. How many containers are needed to finish filling the dunk tank? Represent the problem using multiplication and division sentences and a letter for the unknown. Solve.
_____ × _____ = ______
_____ ÷ _____ = ______
n x 8 = 48
48 ÷ 8 = n
6 containers are needed to fill the dunk tank
Erica buys some packs of rubber bracelets. There are 8 bracelets in each pack. How many packs of rubber bracelets does she buy if she has a total of 56 bracelets?
8 x B = 56
56 ÷ 8 = B
B = 7
Erica has 7 packs of rubber bracelets.
Use (parentheses) to make the equations true.
24 = 32 – 14 + 6
(32 - 14) + 6
18 + 6 = 24