Mental Math
145+640
785
Marc's rectangular garden has a length of 12 meters and a width of 8 meters. What is the area of his garden?
96 m2
Joziyah's rectangular swimming pool has a length of 10 meters and a width of 6 meters. What is the perimeter of the pool?
36 m
What is 0.56 as a percent?
56%
Perimeter of a Rectangle
P=2L+2W or P=L+L+W+W
11× 2+978
1000
Talia has a square rug with side lengths of 6 feet. What is the area of her rug?
36 ft2
Lidenny has a square garden with each side measuring 5 meters. What is the perimeter of her garden?
20 m
What is 2/5 as a percent?
40%
Area of a square
A=LW
24×15
360
David has a circular swimming pool with a radius of 5 meters. What is the area of the pool? (in terms of pi)
25pi m2
A clock has a diameter of 5 centimeters. What is the circumference of the clock face? (in terms of pi)
5pi cm
Azariah bought a laptop for $800. If there is a 10% sales tax applied to the purchase, how much will he pay in total, including tax?
$880
Circumference of Circle
C=(pi)d or C=2(pi)r
560 divided by 8
70
Madison wants to make a circular garden in her backyard. She has a round table with a diameter of 8 feet that she plans to use as a template for her garden. What is the area of the circular garden she will create? (in terms of pi)
16pi ft2
Sanaa has a circular table with a radius of 3 feet. What is the circumference of the table? (in terms of pi)
6pi ft
Evan bought a shirt that was originally priced at $30. The store is offering a 20% discount on all shirts. How much money did Evan save on the shirt?
$6
Area of Circle
A=(pi)r2
3×(8+4)−5
31
Leyla's triangular garden has a base of 10 meters and a height of 6 meters. What is the area of her garden?
30 m2
A pizza has a diameter of 16 inches. What is the circumference of the pizza?
50.24 in
You're shopping for a new laptop. The original price of the laptop is $1200. The store is offering a 20% discount on all electronics. However, there's also a 8% sales tax applied. What is the price of the laptop?
$1,036.80
A=(1/2)BH