Mental Math
What is 25 times 12?
300
NOOOOOOOOOO
Luna
A rectangle has length 12 and width 5. What is its area?
60
Simplify: 7x + 5x − 3x
9x
A shirt costs $40 and is marked 25% off. What is the sale price?
($30)
What is 15% of 80
12
These three people were once late for lunch and were subsequently punished by doing a human pyramid. What are their names?
Gage, Julian, Ian
Two angles of a triangle measure 55° and 65°. What is the third angle?
60°
Simplify: 4a + 3b − 2a + 7b
(2a + 10b)
A train travels 180 miles in 3 hours. At that rate, how far does it travel in 5 hours?
(300 miles)
What is 99 × 45?
4,455 — think 100 × 45 = 4,500, then subtract 45
Alex famously has a crush on...
Ian.
A circle has radius 6. What are its circumference and area?
C = 12π, A = 36π
Simplify: 5(x + 3) − 2x
(3x + 15)
In a class of 40 students, the ratio of boys to girls is 3:5. How many boys are there?
15
1 − (2/3 × 3/8)
3/4
Pepto Bismol Shoes
A right triangle has legs of 9 and 12. What is the length of the hypotenuse?
15
Simplify: 3(2x − 4) − 2(x − 5)
(4x − 2)
Sam is 4 years older than Tia. In 6 years, the sum of their ages will be 46. How old is Sam now?
19
51 × 49
2499
E as in
Ellie the Migraine inducer
A circle is inscribed in a square with side length 12. What is the area inside the square but outside the circle?
144 − 36π
If 2(3x − 1) − (x + 4) is written in the form ax + b, what is a + b?
Machine A fills 300 bottles in 20 minutes. Machine B fills 300 bottles in 30 minutes. Working together, how long do they take to fill 300 bottles?