Area and Perimeter
Find the area and perimeter.
width = 5 units
length = 5 units
Area = 25 square units
Perimeter = 20 units
Multiply.
4 x 200
800
Divide.
18 ÷ 3 =
18 ÷ 3 = 6
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12.
Which numbers are prime?
Which numbers are composite?
Prime: 1, 2, 3, 5, 7, 11.
Composite: 4, 6, 8, 9, 10, 12.
Mrs. Gregory set up 3 rows of chairs in the gymnasium. If each row had 35 chairs, how many chairs did Mrs. Gregory set up?
3 x 35 = 105.
Mrs. Gregory set up 105 chairs.
Find the area and perimeter.
width = 2cm
length = 13cm
Area = 26 square cm
Perimeter = 30 cm
There are 400 students at Soleng Tom Elementary School. Saguaro High School has 4 times as many students.
How many students attend Saguaro High School?
1,600 students attend Saguaro High School.
Divide.
35 ÷ 7 =
35 ÷ 7 = 5
3, 6, 12, 13, 25.
Which numbers are prime?
List ALL the factors for each composite number.
Prime: 3, 13
Composite: 6 (1,2,3,6), 12 (1,2,3,4,6,12), 25(1,5,25)
1,188 kilograms of rice are divided into 6 sacks. How many kilograms of rice are in each sack?
1,188 ÷ 6 = 198
There are 198 kilograms of rice in each sack.
Find the length.
width = 5 in
area = 35 square in
Length = 7 in
Solve.
5 groups of 9.
5 groups of 9 is equivalent to 5 x 9.
5x9 = 45
Divide using the Place Value method.
222 ÷ 2 =
[hundreds ] [ tens ] [ones]
o o o o o o
1___o_____/_o_____/__o_____
2___o_____/__o____/___o____
222 ÷ 2 = 111
Is 2 a factor of 34?
Yes, when you divide 34 ÷ 2, there are NO remainders. You can also skip count by 2 and reach 34 equally.
There were 904 children signed up for the relay race. If there were 6 children on each team, how many teams were made? The remaining children served as referees. How many children served as referees?
904 ÷ 6 = 150 r4
There are 150 teams and 4 referees.
Find the missing lengths of the square.
perimeter = 36 units
Width = 9 units
Length = 9 units
Solve using the Area Model for Multiplication.
32 x 55
50 5
30 [1,500] [150]
2 [100] [10]
1,500 + 150 + 100 + 10 = 1,760
Divide using any method. You must show me your work when you share your answer.
8,472 ÷ 5 =
8,472 ÷ 5 = 1,694 r2
Is 8 a factor of 92?
No.
92 ÷ 8 = 11 r4
Ben purchased two Fortnite books. His first book has a width of 12 inches and a length of 6 inches. His second book is 2 times as long and 3 times as wide.
What is the area of Ben's first book?
What are the dimensions of Ben's second book? (Dimensions means length and width)
Ben's first book has an area of 72 square inches. The length of Ben's second book is 24 inches and the width is 18 inches.
Solve using the Area Model for Multiplication.
456 x 32
400 50 6
30 [12,000] [1,500] [180]
2 [800] [100] [12]
12,000 + 1,500 + 800 + 180 + 100 + 12 = 14,592
Mia needs to sort 1,624 shirts into 4 equal groups. How many shirts will be in each group?
There will be 406 shirts in each group.
Is 4 a factor of 12?
Is 12 a multiple of 4?
Yes and Yes