Laurette has 41 pens from cities in the United States and 27 pens from cities in other countries. She is putting them in display cases that hold 4 pens each. How many display cases does she need AND what operations did you use to solve the problem.
17 display cases
I used addition and division operations to solve the problem.
100
Tell whether 675 is divisible by 2,3,4,5,6,9, or 10.
3, 5, and 9
100
Use mental math to solve the equation:
m / 7 = 9
m = 63
200
Estimate the quotient
331,516 / 8
40,000
200
Divide to find the actual answer
345,124 / 4 =
86,281
200
You are thinking about getting all guppies, all neon tetras, or all goldfish for your aquarium. The total length of all the fish in the tank should not be greater than the number of gallons the tank holds. What is the greatest number of each kind of fish you could have in a 20-gallon tank?
Guppies are 2 inches long
Neon Tetras are 1 inch long
Goldfish are 4 inches long
Guppies = 10
Neon Tetras = 20
Goldfish = 5
200
Tell whether 860 is divisible by 2,3,4,5,6,9,or 10
2, 4, 5, and 10
200
Elyse brought 36 cupcakes for the bake sale. She put the same number of cupcakes on each of 9 plates. Make a formula to show how many cupcakes were on each plate, then solve the equation.
36 / n = 9
n = 4 cupcakes
300
Estimate the quotient
5,079 / 7
700
300
Divide and find the actual quotient:
4,045 / 5 =
809
300
Lucas has 18 coins - pennies, nickels, and dimes - in his pocket. There are three times as many pennies as dimes and twice as many nickels as dimes. The number of each coin is divisible by 3 and the number of nickels is also divisible by 2. How many of each coin does Lucas have?
Pennies = 9
Nickels = 6
Dimes = 3
300
Tell whether 2,424 is divisible by 2, 3, 4, 5, 6, 9, or 10
2, 3, 4, and 6
300
David Go's mother baked 4 dozen cookies and put them into bags. She put 6 cookies in each bag. How many bags did she fill? Write an equation and then solve.
6n = 48
n = 8 bags
400
Estimate the quotient:
613,480 / 9
70,000
400
Divide and find the actual quotient:
48,603 / 8 =
6,075 R3
400
Laura has collected 81 stamps. If 9 stamps fit on one page of her album, how many pages will she need?
9 pages.
400
Tell whether 990 is divisible by 2, 3, 4, 5, 6, 9, or 10
2, 3, 5,6, 9, 10
400
Using this rule y = x / 9
complete the function table below
x y
? 1
? 2
? 3
? 4
x y
9 1
18 2
27 3
36 4
500
Estimate the quotient
342,785 / 9
40,000
500
Divide and find the actual quotient:
627,153 / 3 =
209,051
500
The books at a book fair are set out on a table that is 4 times as long as it is wide. The perimeter is 750 inches. How wide is the table?
75 inches wide
500
Dwayne bought a set of stamps whose number of stamps is divisible by 2, 3, 5, 6, 9, and 10. Which of the stamps below is it?
Mexico = 245
Canada = 144
Brazil = 270
U.S. = 210
Brazil = 270
500
At the paperback book convention, Lucia sold 6 of the same kind of book for $54. How much did she sell each book for? Write a formula and solve.