Mental Math
12 more than 21
What is 33?
Half of 24
What is 12?
4, 3 times
What is 12?
A shape with no sides
What is a circle?
99+99+99
What is 297?
40 is half of this number
What is 80?
This many dimes fit into $2
What are 20 dimes?
1+9+2+8+3+7+4+6
What is 40?
On a 32-mile drive, one person drives 10 miles, the next person drives 13 miles, and the last person drives this many miles.
What is 9 miles?
Juan needs 5 lemons for every 2 glasses of lemonade he makes. He'll need this many lemons to make 12 glasses of lemonade.
What is 30 lemons?
A shape with 3 sides.
What is a triangle?
25% of 300
What is 75?
3/4 of 20
What is 15?
One and a half, 6 times
What is 9?
A shape with no sides, but it always has room for pi.
What is a circle?