Ghosts
Is 27 a prime or composite number?
Composite
27 x 1 = 27
9 x 3 = 27
8 is a multiple of 48
Explain
False
8 is a factor of 48, not a multiple.
24 x 8 =
192
The length of a rectangle is 22in and the width is 4in. What is the perimeter of the rectangle?
52in
Luke carves 18 pumpkins. He carves 3 times as much as Sarah. How many pumpkins did Sarah carve?
6 pumpkins
Is 50 a prime or composite number?
Composite
50 x 1 = 50
25 x 2 = 50
5 x 10 = 50
36 / 2 =
18
52 x 6 =
312
The area of a rectangle is 100 sqcm. The width of the rectangle is 2cm. What is the length?
50cm
David went trick or treating and got 24 bags of peanut m&ms. David knew they are the 4th grade teachers favorite candies. If David gave each of the teachers the same bags of candy, how many bags does each teacher get?
8
List all factors of 18
1, 2, 3, 6, 9, 18
356 / 4 =
89
97 x 6 =
582
The length of a rectangle is 15 units. The width of the rectangle is 7 units. What is the perimeter of the rectangle?
44 units
A rectangle has a length of 37 units and a width of 8 units.
What is the perimeter of the rectangle?
90 units
True or False
63 is a composite number
True
258 / 6 =
43
32 x 5 =
160
The length of a rectangle is 78in. The width is 9in. What is the area of the rectangle?
702 sq in
The rule to a pattern is add 5. What is the 10th number in the pattern?
5, _, _, _, _, _, _, _, _, _
50
True or False
All even numbers are composite.
False
2 is a prime number
425 / 5 =
85
49 x 6 =
294
The length of a rectangle is 15 units. The area is 90 sq units. What is the width of the rectangle?
6 units
The rule to the pattern is add 6. Will the 12th term be even or odd? How do you know?
6, 12, _, _, _, _, _,....
6 x 12 = 72
72 ends in the number 2 which is an even number.