A scientist places 24 corals in tanks to
help a coral reef grow. There are 4 tanks. Each tank has an equal number of corals.
How many corals are in each tank?
2x5
10
12\div \6
2
Name this shape
Square
A rectangular garden has a length of 12 meters and a width of 7 meters.
Calculate both the perimeter and the area of the garden.
Perimeter- 38 meters
Area- 84 square meters
There are 2 classes for Mexican folk dance. There are 8 students in each class. How many students take Mexican folk dance class?
16 Students
3x9
27
21 div 3
7
Name this shape
Pentagon
A rectangular playground is 9 meters long and 5 meters wide.
How many meters of fencing are needed to go all the way around the playground? (Perimeter)
How much space is there inside the playground for kids to play? (Area)
Perimeter- 28 meters of fencing
Area- 45 square meters
Mrs. Nelson has one $10-bill and one
$20-bill. She wants to buy as many movie
tickets as she can with this money. If movie
tickets cost $6 each, how many tickets, t,
can she buy?
Mrs. Nelson can buy 5 tickets
7x9
63
32 div 8
4
What are these shapes?
Quadrilaterals
Bella is making a rectangular poster. She knows the total area of the poster is 24 square inches. The top edge of the poster is 6 inches long.
How tall is the side edge of her poster?
What is the total perimeter of her poster?
Side Edge- 4 inches
Perimeter- 20 inches
ackson has 48 trading cards. His sister gives
him 12 more cards. Then he puts all his
trading cards in 6 equal stacks. How many
cards, c, are in each stack?
There ar4e 10 cards in each stack.
7x4x2
56
63 div ? = 9
7
What kind of triangles are these?
Acute triangles
Two square tabletops are pushed together to make one long rectangle for a party. Each individual square table has sides that are 3 feet long.
What is the perimeter of the new, long table? (Hint: Be careful! Some sides are now touching on the inside and aren't part of the outside edge anymore).
18 feet
Mr. Garcia buys 3 bags of cat food that
each weigh 9 pounds and another bag of
cat food that weighs 7 pounds. How many
pounds, p, of cat food does Mr. Garcia buy?
Mr. Garcia buys 34 pounds of cat food.
3x3x10
90
? div 7 =7
49
These shapes are all what?
Polygons
Jack and Jill each have a piece of yarn that is 20 inches long, and they both use their yarn to make a rectangle.
Jack makes a rectangle that is 8 inches long and 2 inches wide.
Jill makes a rectangle that is a perfect square, with all four sides being 5 inches long.
Task: Both shapes have a perimeter of 20 inches. Find the area of Jack's rectangle and the area of Jill's square. Who made the shape with the bigger area?
Jack´s Rectangle- 16 square inches
Jill´s Rectangle- 25 square inches
Jill´s rectangle has the larger area